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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 15:50:10,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 15:50:10,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 15:50:10,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 15:50:10,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 15:50:10,308 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 15:50:10,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 15:50:10,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 15:50:10,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 15:50:10,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 15:50:10,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 15:50:10,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 15:50:10,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 15:50:10,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 15:50:10,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 15:50:10,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 15:50:10,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 15:50:10,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 15:50:10,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 15:50:10,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 15:50:10,335 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 15:50:10,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 15:50:10,344 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 15:50:10,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 15:50:10,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 15:50:10,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 15:50:10,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 15:50:10,360 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-15 15:50:10,389 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 15:50:10,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 15:50:10,390 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 15:50:10,390 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 15:50:10,391 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 15:50:10,391 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 15:50:10,391 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 15:50:10,391 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 15:50:10,392 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-15 15:50:10,392 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 15:50:10,392 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 15:50:10,392 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 15:50:10,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 15:50:10,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 15:50:10,393 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 15:50:10,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 15:50:10,395 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 15:50:10,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 15:50:10,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 15:50:10,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 15:50:10,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 15:50:10,396 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 15:50:10,396 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 15:50:10,396 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 15:50:10,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 15:50:10,398 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 15:50:10,398 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 15:50:10,398 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 15:50:10,398 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 15:50:10,398 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 15:50:10,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 15:50:10,399 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 15:50:10,399 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 15:50:10,399 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 15:50:10,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 15:50:10,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 15:50:10,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 15:50:10,476 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 15:50:10,476 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 15:50:10,477 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-09-15 15:50:10,826 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e0cb976/9395e622add04177805b8c939dd34db9/FLAGb3dc41d98 [2018-09-15 15:50:11,078 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 15:50:11,079 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-09-15 15:50:11,092 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e0cb976/9395e622add04177805b8c939dd34db9/FLAGb3dc41d98 [2018-09-15 15:50:11,108 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3e0cb976/9395e622add04177805b8c939dd34db9 [2018-09-15 15:50:11,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 15:50:11,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 15:50:11,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 15:50:11,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 15:50:11,135 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 15:50:11,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:11,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108b7f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11, skipping insertion in model container [2018-09-15 15:50:11,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:11,153 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 15:50:11,749 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 15:50:11,769 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 15:50:11,915 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 15:50:11,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11 WrapperNode [2018-09-15 15:50:11,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 15:50:11,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 15:50:11,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 15:50:11,960 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 15:50:11,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 15:50:12,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 15:50:12,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 15:50:12,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 15:50:12,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (1/1) ... [2018-09-15 15:50:12,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 15:50:12,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 15:50:12,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 15:50:12,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 15:50:12,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (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 15:50:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 15:50:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 15:50:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 15:50:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 15:50:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 15:50:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 15:50:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 15:50:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 15:50:15,672 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 15:50:15,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 03:50:15 BoogieIcfgContainer [2018-09-15 15:50:15,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 15:50:15,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 15:50:15,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 15:50:15,678 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 15:50:15,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 03:50:11" (1/3) ... [2018-09-15 15:50:15,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369aec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 03:50:15, skipping insertion in model container [2018-09-15 15:50:15,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:50:11" (2/3) ... [2018-09-15 15:50:15,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369aec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 03:50:15, skipping insertion in model container [2018-09-15 15:50:15,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 03:50:15" (3/3) ... [2018-09-15 15:50:15,682 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label20_true-unreach-call_false-termination.c [2018-09-15 15:50:15,693 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 15:50:15,703 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 15:50:15,758 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 15:50:15,759 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 15:50:15,759 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 15:50:15,759 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 15:50:15,759 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 15:50:15,759 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 15:50:15,759 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 15:50:15,760 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 15:50:15,760 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 15:50:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-15 15:50:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-15 15:50:15,799 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:15,801 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 15:50:15,802 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:15,808 INFO L82 PathProgramCache]: Analyzing trace with hash 915772480, now seen corresponding path program 1 times [2018-09-15 15:50:15,811 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:15,812 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-09-15 15:50:15,817 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-15 15:50:15,862 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:15,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:16,157 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:16,162 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-15 15:50:16,190 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:16,436 INFO L232 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 80.69% of their original sizes. [2018-09-15 15:50:16,437 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:16,703 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:16,705 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:16,705 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 15:50:16,705 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:16,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 15:50:16,723 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 15:50:16,724 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-15 15:50:16,727 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 6 states. [2018-09-15 15:50:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:19,414 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-15 15:50:19,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 15:50:19,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-09-15 15:50:19,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:19,433 INFO L225 Difference]: With dead ends: 622 [2018-09-15 15:50:19,433 INFO L226 Difference]: Without dead ends: 383 [2018-09-15 15:50:19,440 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-15 15:50:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-15 15:50:19,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-15 15:50:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-15 15:50:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-15 15:50:19,516 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 106 [2018-09-15 15:50:19,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:19,517 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-15 15:50:19,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 15:50:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-15 15:50:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-15 15:50:19,525 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:19,525 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 15:50:19,526 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:19,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1221533471, now seen corresponding path program 1 times [2018-09-15 15:50:19,526 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:19,527 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 117 with the following transitions: [2018-09-15 15:50:19,527 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:19,531 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:19,532 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:19,678 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:19,681 INFO L272 AbstractInterpreter]: Visited 109 different actions 212 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 15:50:19,726 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:19,939 INFO L232 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 80.76% of their original sizes. [2018-09-15 15:50:19,940 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:20,217 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:20,218 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:20,218 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 15:50:20,218 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:20,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 15:50:20,220 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 15:50:20,220 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 15:50:20,221 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 9 states. [2018-09-15 15:50:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:23,817 INFO L93 Difference]: Finished difference Result 905 states and 1347 transitions. [2018-09-15 15:50:23,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 15:50:23,818 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2018-09-15 15:50:23,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:23,823 INFO L225 Difference]: With dead ends: 905 [2018-09-15 15:50:23,823 INFO L226 Difference]: Without dead ends: 531 [2018-09-15 15:50:23,826 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-09-15 15:50:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-09-15 15:50:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 527. [2018-09-15 15:50:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-09-15 15:50:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-09-15 15:50:23,861 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 116 [2018-09-15 15:50:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:23,862 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-09-15 15:50:23,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 15:50:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-09-15 15:50:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-15 15:50:23,867 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:23,867 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 15:50:23,867 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:23,868 INFO L82 PathProgramCache]: Analyzing trace with hash -725130791, now seen corresponding path program 1 times [2018-09-15 15:50:23,868 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:23,868 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 121 with the following transitions: [2018-09-15 15:50:23,869 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:23,872 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:23,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:23,933 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:23,933 INFO L272 AbstractInterpreter]: Visited 109 different actions 212 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 15:50:23,984 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:24,109 INFO L232 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.75% of their original sizes. [2018-09-15 15:50:24,110 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:24,722 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:24,723 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:24,723 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 15:50:24,723 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:24,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 15:50:24,724 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 15:50:24,724 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 15:50:24,724 INFO L87 Difference]: Start difference. First operand 527 states and 690 transitions. Second operand 9 states. [2018-09-15 15:50:27,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:27,433 INFO L93 Difference]: Finished difference Result 1199 states and 1665 transitions. [2018-09-15 15:50:27,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 15:50:27,436 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2018-09-15 15:50:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:27,441 INFO L225 Difference]: With dead ends: 1199 [2018-09-15 15:50:27,441 INFO L226 Difference]: Without dead ends: 678 [2018-09-15 15:50:27,443 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-09-15 15:50:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-09-15 15:50:27,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 674. [2018-09-15 15:50:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-09-15 15:50:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 849 transitions. [2018-09-15 15:50:27,472 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 849 transitions. Word has length 120 [2018-09-15 15:50:27,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:27,473 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 849 transitions. [2018-09-15 15:50:27,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 15:50:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 849 transitions. [2018-09-15 15:50:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-15 15:50:27,478 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:27,479 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, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 15:50:27,479 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1353416890, now seen corresponding path program 1 times [2018-09-15 15:50:27,480 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:27,480 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2018-09-15 15:50:27,480 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], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:27,483 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:27,483 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:27,593 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:27,593 INFO L272 AbstractInterpreter]: Visited 110 different actions 430 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-15 15:50:27,631 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:27,737 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 82.34% of their original sizes. [2018-09-15 15:50:27,738 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:27,950 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:27,951 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:27,951 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 15:50:27,951 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:27,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 15:50:27,952 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 15:50:27,952 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 15:50:27,953 INFO L87 Difference]: Start difference. First operand 674 states and 849 transitions. Second operand 9 states. [2018-09-15 15:50:31,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:31,799 INFO L93 Difference]: Finished difference Result 1505 states and 1999 transitions. [2018-09-15 15:50:31,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 15:50:31,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2018-09-15 15:50:31,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:31,805 INFO L225 Difference]: With dead ends: 1505 [2018-09-15 15:50:31,806 INFO L226 Difference]: Without dead ends: 837 [2018-09-15 15:50:31,808 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-09-15 15:50:31,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-09-15 15:50:31,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 828. [2018-09-15 15:50:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-09-15 15:50:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1043 transitions. [2018-09-15 15:50:31,838 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1043 transitions. Word has length 130 [2018-09-15 15:50:31,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:31,839 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1043 transitions. [2018-09-15 15:50:31,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 15:50:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1043 transitions. [2018-09-15 15:50:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-15 15:50:31,842 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:31,843 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 15:50:31,843 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:31,843 INFO L82 PathProgramCache]: Analyzing trace with hash 325560275, now seen corresponding path program 1 times [2018-09-15 15:50:31,844 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:31,844 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-09-15 15:50:31,844 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [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], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:31,847 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:31,848 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:32,049 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:32,049 INFO L272 AbstractInterpreter]: Visited 111 different actions 655 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-15 15:50:32,089 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:32,211 INFO L232 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 84.62% of their original sizes. [2018-09-15 15:50:32,211 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:32,829 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:32,830 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:32,830 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 15:50:32,830 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:32,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 15:50:32,831 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 15:50:32,831 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 15:50:32,833 INFO L87 Difference]: Start difference. First operand 828 states and 1043 transitions. Second operand 9 states. [2018-09-15 15:50:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:35,374 INFO L93 Difference]: Finished difference Result 1885 states and 2519 transitions. [2018-09-15 15:50:35,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 15:50:35,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2018-09-15 15:50:35,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:35,381 INFO L225 Difference]: With dead ends: 1885 [2018-09-15 15:50:35,381 INFO L226 Difference]: Without dead ends: 1063 [2018-09-15 15:50:35,384 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-09-15 15:50:35,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2018-09-15 15:50:35,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1052. [2018-09-15 15:50:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-09-15 15:50:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1328 transitions. [2018-09-15 15:50:35,413 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1328 transitions. Word has length 139 [2018-09-15 15:50:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:35,414 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1328 transitions. [2018-09-15 15:50:35,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 15:50:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1328 transitions. [2018-09-15 15:50:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-15 15:50:35,417 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:35,418 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-09-15 15:50:35,418 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:35,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1483859631, now seen corresponding path program 1 times [2018-09-15 15:50:35,418 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:35,419 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-09-15 15:50:35,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:35,421 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:35,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:35,493 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:35,493 INFO L272 AbstractInterpreter]: Visited 110 different actions 322 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-15 15:50:35,525 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:35,666 INFO L232 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 80.94% of their original sizes. [2018-09-15 15:50:35,666 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:35,857 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:35,858 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:35,858 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 15:50:35,858 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:35,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 15:50:35,859 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 15:50:35,860 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 15:50:35,860 INFO L87 Difference]: Start difference. First operand 1052 states and 1328 transitions. Second operand 10 states. [2018-09-15 15:50:38,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:38,809 INFO L93 Difference]: Finished difference Result 2628 states and 3535 transitions. [2018-09-15 15:50:38,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 15:50:38,810 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2018-09-15 15:50:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:38,818 INFO L225 Difference]: With dead ends: 2628 [2018-09-15 15:50:38,818 INFO L226 Difference]: Without dead ends: 1582 [2018-09-15 15:50:38,823 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-09-15 15:50:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2018-09-15 15:50:38,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1565. [2018-09-15 15:50:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2018-09-15 15:50:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1963 transitions. [2018-09-15 15:50:38,877 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1963 transitions. Word has length 143 [2018-09-15 15:50:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:38,878 INFO L480 AbstractCegarLoop]: Abstraction has 1565 states and 1963 transitions. [2018-09-15 15:50:38,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 15:50:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1963 transitions. [2018-09-15 15:50:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-15 15:50:38,883 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:38,884 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-09-15 15:50:38,884 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:38,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1908078908, now seen corresponding path program 1 times [2018-09-15 15:50:38,884 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:38,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-09-15 15:50:38,885 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], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:38,887 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:38,888 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:39,091 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:50:39,091 INFO L272 AbstractInterpreter]: Visited 111 different actions 547 times. Merged at 8 different actions 36 times. Never widened. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-15 15:50:39,130 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:50:39,253 INFO L232 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 86.42% of their original sizes. [2018-09-15 15:50:39,253 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:50:39,419 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:50:39,419 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:50:39,419 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 15:50:39,419 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:50:39,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 15:50:39,420 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 15:50:39,420 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 15:50:39,420 INFO L87 Difference]: Start difference. First operand 1565 states and 1963 transitions. Second operand 9 states. [2018-09-15 15:50:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:50:41,972 INFO L93 Difference]: Finished difference Result 3474 states and 4505 transitions. [2018-09-15 15:50:41,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 15:50:41,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-09-15 15:50:41,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:50:41,985 INFO L225 Difference]: With dead ends: 3474 [2018-09-15 15:50:41,985 INFO L226 Difference]: Without dead ends: 1915 [2018-09-15 15:50:41,990 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2018-09-15 15:50:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2018-09-15 15:50:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1874. [2018-09-15 15:50:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1874 states. [2018-09-15 15:50:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2394 transitions. [2018-09-15 15:50:42,049 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2394 transitions. Word has length 159 [2018-09-15 15:50:42,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:50:42,050 INFO L480 AbstractCegarLoop]: Abstraction has 1874 states and 2394 transitions. [2018-09-15 15:50:42,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 15:50:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2394 transitions. [2018-09-15 15:50:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-15 15:50:42,054 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:50:42,055 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 15:50:42,055 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:50:42,055 INFO L82 PathProgramCache]: Analyzing trace with hash 467793888, now seen corresponding path program 1 times [2018-09-15 15:50:42,055 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:50:42,055 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-09-15 15:50:42,056 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], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-15 15:50:42,057 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 15:50:42,057 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:50:42,181 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 15:50:42,181 INFO L272 AbstractInterpreter]: Visited 112 different actions 548 times. Merged at 8 different actions 36 times. Never widened. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-15 15:50:42,204 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 15:50:42,238 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 15:50:42,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 03:50:42 BoogieIcfgContainer [2018-09-15 15:50:42,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 15:50:42,240 INFO L168 Benchmark]: Toolchain (without parser) took 31118.60 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -669.0 MB). Peak memory consumption was 439.3 MB. Max. memory is 7.1 GB. [2018-09-15 15:50:42,242 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. [2018-09-15 15:50:42,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.53 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 15:50:42,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.49 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 15:50:42,244 INFO L168 Benchmark]: Boogie Preprocessor took 218.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2018-09-15 15:50:42,245 INFO L168 Benchmark]: RCFGBuilder took 3370.57 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: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. [2018-09-15 15:50:42,246 INFO L168 Benchmark]: TraceAbstraction took 26564.37 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 347.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 378.6 MB. Max. memory is 7.1 GB. [2018-09-15 15:50:42,251 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 831.53 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 124.49 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 218.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3370.57 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: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26564.37 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 347.1 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 378.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 469]: 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, 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 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 TRUE ((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1))) [L170] a17 = 7 [L171] a11 = 1 [L172] a28 = 7 [L173] a25 = 1 [L174] RET return -1; [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 FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L450] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L453] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L456] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L459] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L462] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L465] COND FALSE !((((((!(a25==1)&&!(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L468] COND TRUE (((((!(a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7)) [L469] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. UNKNOWN Result, 26.4s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 20.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1518 SDtfs, 5735 SDslu, 2268 SDs, 0 SdLazy, 10961 SolverSat, 1702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 963 GetRequests, 859 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1874occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 8 AbstIntIterations, 7 AbstIntStrong, 0.9967759152611008 AbsIntWeakeningRatio, 0.24172185430463577 AbsIntAvgWeakeningVarsNumRemoved, 15.32560706401766 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 89 StatesRemovedByMinimization, 7 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_label20_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_15-50-42-269.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label20_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_15-50-42-269.csv Received shutdown request...