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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 17:39:03,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 17:39:03,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 17:39:03,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 17:39:03,585 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 17:39:03,587 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 17:39:03,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 17:39:03,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 17:39:03,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 17:39:03,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 17:39:03,593 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 17:39:03,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 17:39:03,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 17:39:03,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 17:39:03,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 17:39:03,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 17:39:03,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 17:39:03,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 17:39:03,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 17:39:03,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 17:39:03,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 17:39:03,606 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 17:39:03,609 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 17:39:03,609 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 17:39:03,609 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 17:39:03,610 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 17:39:03,611 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 17:39:03,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 17:39:03,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 17:39:03,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 17:39:03,614 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 17:39:03,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-15 17:39:03,618 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 17:39:03,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 17:39:03,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 17:39:03,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 17:39:03,641 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 17:39:03,641 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 17:39:03,641 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 17:39:03,642 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 17:39:03,642 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 17:39:03,642 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 17:39:03,642 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 17:39:03,642 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 17:39:03,643 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 17:39:03,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 17:39:03,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 17:39:03,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 17:39:03,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 17:39:03,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 17:39:03,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 17:39:03,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 17:39:03,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 17:39:03,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 17:39:03,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 17:39:03,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 17:39:03,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 17:39:03,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 17:39:03,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 17:39:03,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 17:39:03,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 17:39:03,646 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 17:39:03,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 17:39:03,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 17:39:03,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 17:39:03,647 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 17:39:03,647 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 17:39:03,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 17:39:03,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 17:39:03,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 17:39:03,714 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 17:39:03,715 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 17:39:03,715 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-09-15 17:39:04,054 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2f40573b/5fbed978baea42448f037af3f905e9d2/FLAGa6c8e2155 [2018-09-15 17:39:04,441 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 17:39:04,442 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-09-15 17:39:04,466 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2f40573b/5fbed978baea42448f037af3f905e9d2/FLAGa6c8e2155 [2018-09-15 17:39:04,490 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2f40573b/5fbed978baea42448f037af3f905e9d2 [2018-09-15 17:39:04,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 17:39:04,512 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 17:39:04,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 17:39:04,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 17:39:04,528 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 17:39:04,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 05:39:04" (1/1) ... [2018-09-15 17:39:04,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a7f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:04, skipping insertion in model container [2018-09-15 17:39:04,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 05:39:04" (1/1) ... [2018-09-15 17:39:04,552 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 17:39:05,118 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 17:39:05,138 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 17:39:05,285 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 17:39:05,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05 WrapperNode [2018-09-15 17:39:05,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 17:39:05,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 17:39:05,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 17:39:05,338 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 17:39:05,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 17:39:05,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 17:39:05,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 17:39:05,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 17:39:05,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (1/1) ... [2018-09-15 17:39:05,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 17:39:05,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 17:39:05,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 17:39:05,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 17:39:05,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (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 17:39:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 17:39:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 17:39:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 17:39:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 17:39:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 17:39:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 17:39:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 17:39:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 17:39:08,987 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 17:39:08,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 05:39:08 BoogieIcfgContainer [2018-09-15 17:39:08,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 17:39:08,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 17:39:08,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 17:39:08,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 17:39:08,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 05:39:04" (1/3) ... [2018-09-15 17:39:08,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b7010f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 05:39:08, skipping insertion in model container [2018-09-15 17:39:08,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:39:05" (2/3) ... [2018-09-15 17:39:09,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b7010f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 05:39:09, skipping insertion in model container [2018-09-15 17:39:09,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 05:39:08" (3/3) ... [2018-09-15 17:39:09,005 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label19_true-unreach-call_false-termination.c [2018-09-15 17:39:09,016 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 17:39:09,031 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 17:39:09,092 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 17:39:09,093 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 17:39:09,093 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 17:39:09,094 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 17:39:09,094 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 17:39:09,094 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 17:39:09,094 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 17:39:09,094 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 17:39:09,095 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 17:39:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-15 17:39:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-15 17:39:09,141 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:39:09,142 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] [2018-09-15 17:39:09,143 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:39:09,148 INFO L82 PathProgramCache]: Analyzing trace with hash 910633199, now seen corresponding path program 1 times [2018-09-15 17:39:09,150 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:39:09,151 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 100 with the following transitions: [2018-09-15 17:39:09,154 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], [463], [465], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-15 17:39:09,226 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 17:39:09,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:39:28,466 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:39:28,469 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-15 17:39:28,515 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:39:31,925 INFO L232 lantSequenceWeakener]: Weakened 97 states. On average, predicates are now at 80.67% of their original sizes. [2018-09-15 17:39:31,926 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:39:33,584 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:39:33,586 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:39:33,586 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 17:39:33,586 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:39:33,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 17:39:33,601 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 17:39:33,602 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-15 17:39:33,605 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 12 states. [2018-09-15 17:39:42,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:39:42,637 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-15 17:39:42,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 17:39:42,638 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 99 [2018-09-15 17:39:42,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:39:42,656 INFO L225 Difference]: With dead ends: 622 [2018-09-15 17:39:42,656 INFO L226 Difference]: Without dead ends: 383 [2018-09-15 17:39:42,663 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-15 17:39:42,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-15 17:39:42,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-15 17:39:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-15 17:39:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-15 17:39:42,742 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 99 [2018-09-15 17:39:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:39:42,743 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-15 17:39:42,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 17:39:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-15 17:39:42,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-15 17:39:42,749 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:39:42,750 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] [2018-09-15 17:39:42,750 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:39:42,751 INFO L82 PathProgramCache]: Analyzing trace with hash -860332178, now seen corresponding path program 1 times [2018-09-15 17:39:42,751 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:39:42,751 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-09-15 17:39:42,752 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], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 17:39:42,759 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 17:39:42,760 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:40:37,902 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:40:37,903 INFO L272 AbstractInterpreter]: Visited 102 different actions 198 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 17:40:37,912 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:40:42,566 INFO L232 lantSequenceWeakener]: Weakened 107 states. On average, predicates are now at 80.73% of their original sizes. [2018-09-15 17:40:42,567 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:40:45,859 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:40:45,859 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:40:45,859 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 17:40:45,859 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:40:45,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 17:40:45,861 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 17:40:45,862 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-09-15 17:40:45,862 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 20 states. [2018-09-15 17:40:59,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:40:59,981 INFO L93 Difference]: Finished difference Result 909 states and 1351 transitions. [2018-09-15 17:40:59,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-09-15 17:40:59,981 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 109 [2018-09-15 17:40:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:40:59,987 INFO L225 Difference]: With dead ends: 909 [2018-09-15 17:40:59,987 INFO L226 Difference]: Without dead ends: 535 [2018-09-15 17:40:59,993 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=452, Invalid=1354, Unknown=0, NotChecked=0, Total=1806 [2018-09-15 17:40:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-09-15 17:41:00,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 527. [2018-09-15 17:41:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-09-15 17:41:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-09-15 17:41:00,032 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 109 [2018-09-15 17:41:00,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:41:00,032 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-09-15 17:41:00,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-15 17:41:00,033 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-09-15 17:41:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-15 17:41:00,035 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:41:00,036 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] [2018-09-15 17:41:00,036 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:41:00,037 INFO L82 PathProgramCache]: Analyzing trace with hash -212564618, now seen corresponding path program 1 times [2018-09-15 17:41:00,037 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:41:00,037 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-09-15 17:41:00,037 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], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 17:41:00,042 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 17:41:00,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:42:01,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:42:01,393 INFO L272 AbstractInterpreter]: Visited 102 different actions 198 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 17:42:01,400 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:42:06,360 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 80.72% of their original sizes. [2018-09-15 17:42:06,361 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:42:09,155 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:42:09,156 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:42:09,156 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 17:42:09,156 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:42:09,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 17:42:09,157 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 17:42:09,157 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-09-15 17:42:09,158 INFO L87 Difference]: Start difference. First operand 527 states and 690 transitions. Second operand 20 states. [2018-09-15 17:42:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:42:23,372 INFO L93 Difference]: Finished difference Result 1201 states and 1667 transitions. [2018-09-15 17:42:23,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-09-15 17:42:23,374 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 113 [2018-09-15 17:42:23,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:42:23,380 INFO L225 Difference]: With dead ends: 1201 [2018-09-15 17:42:23,380 INFO L226 Difference]: Without dead ends: 680 [2018-09-15 17:42:23,383 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 135 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=441, Invalid=1365, Unknown=0, NotChecked=0, Total=1806 [2018-09-15 17:42:23,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-09-15 17:42:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 674. [2018-09-15 17:42:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-09-15 17:42:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 849 transitions. [2018-09-15 17:42:23,422 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 849 transitions. Word has length 113 [2018-09-15 17:42:23,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:42:23,423 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 849 transitions. [2018-09-15 17:42:23,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-09-15 17:42:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 849 transitions. [2018-09-15 17:42:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-15 17:42:23,426 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:42:23,427 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-09-15 17:42:23,427 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:42:23,427 INFO L82 PathProgramCache]: Analyzing trace with hash -867634763, now seen corresponding path program 1 times [2018-09-15 17:42:23,427 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:42:23,428 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 124 with the following transitions: [2018-09-15 17:42:23,428 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 17:42:23,433 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 17:42:23,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-09-15 17:43:32,109 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-09-15 17:43:32,110 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-09-15 17:43:32,111 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 17:43:32,140 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 17:43:32,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 05:43:32 BoogieIcfgContainer [2018-09-15 17:43:32,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 17:43:32,142 INFO L168 Benchmark]: Toolchain (without parser) took 267634.41 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-15 17:43:32,144 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-09-15 17:43:32,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.37 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. [2018-09-15 17:43:32,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.02 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 17:43:32,146 INFO L168 Benchmark]: Boogie Preprocessor took 249.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2018-09-15 17:43:32,147 INFO L168 Benchmark]: RCFGBuilder took 3280.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 7.1 GB. [2018-09-15 17:43:32,148 INFO L168 Benchmark]: TraceAbstraction took 263152.02 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 955.8 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -455.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-15 17:43:32,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 823.37 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 120.02 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 249.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3280.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263152.02 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 955.8 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -455.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 448]: 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 e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; [L603] int output = -1; [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND TRUE ((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1))) [L36] a28 = 10 [L37] RET return 22; [L614] EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND TRUE ((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7))))) [L51] a28 = 11 [L52] a25 = 1 [L53] RET return 26; [L614] EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L414] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L417] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L420] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L423] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L426] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L429] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L432] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L435] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L438] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L441] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L444] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L447] COND TRUE ((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7)) [L448] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. UNKNOWN Result, 263.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 37.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 726 SDtfs, 3102 SDslu, 1427 SDs, 0 SdLazy, 6440 SolverSat, 467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 370 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=674occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 204.5s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9932677215447819 AbsIntWeakeningRatio, 0.2358490566037736 AbsIntAvgWeakeningVarsNumRemoved, 609.3176100628931 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 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/Problem02_label19_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_17-43-32-169.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label19_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_17-43-32-169.csv Completed graceful shutdown