java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label17_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 12:14:50,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 12:14:50,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 12:14:50,525 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 12:14:50,525 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 12:14:50,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 12:14:50,527 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 12:14:50,529 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 12:14:50,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 12:14:50,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 12:14:50,533 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 12:14:50,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 12:14:50,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 12:14:50,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 12:14:50,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 12:14:50,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 12:14:50,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 12:14:50,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 12:14:50,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 12:14:50,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 12:14:50,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 12:14:50,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 12:14:50,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 12:14:50,549 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 12:14:50,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 12:14:50,551 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 12:14:50,552 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 12:14:50,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 12:14:50,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 12:14:50,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 12:14:50,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 12:14:50,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 12:14:50,556 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 12:14:50,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 12:14:50,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 12:14:50,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 12:14:50,558 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 12:14:50,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 12:14:50,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 12:14:50,583 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 12:14:50,583 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 12:14:50,583 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 12:14:50,584 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 12:14:50,584 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 12:14:50,584 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 12:14:50,584 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 12:14:50,586 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 12:14:50,587 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 12:14:50,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 12:14:50,588 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 12:14:50,588 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 12:14:50,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 12:14:50,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 12:14:50,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 12:14:50,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 12:14:50,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 12:14:50,589 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 12:14:50,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 12:14:50,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 12:14:50,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 12:14:50,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 12:14:50,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 12:14:50,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 12:14:50,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 12:14:50,592 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 12:14:50,593 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 12:14:50,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 12:14:50,593 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 12:14:50,593 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 12:14:50,594 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 12:14:50,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 12:14:50,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 12:14:50,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 12:14:50,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 12:14:50,667 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 12:14:50,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label17_true-unreach-call.c [2018-09-15 12:14:51,053 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1208c580/19021ffce4d04d96bee5e2719f14bb59/FLAG4b84a69a6 [2018-09-15 12:14:51,449 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 12:14:51,450 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label17_true-unreach-call.c [2018-09-15 12:14:51,470 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1208c580/19021ffce4d04d96bee5e2719f14bb59/FLAG4b84a69a6 [2018-09-15 12:14:51,486 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1208c580/19021ffce4d04d96bee5e2719f14bb59 [2018-09-15 12:14:51,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 12:14:51,502 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 12:14:51,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 12:14:51,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 12:14:51,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 12:14:51,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:14:51" (1/1) ... [2018-09-15 12:14:51,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c1f22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:51, skipping insertion in model container [2018-09-15 12:14:51,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:14:51" (1/1) ... [2018-09-15 12:14:51,527 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 12:14:52,478 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:14:52,500 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 12:14:52,816 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:14:52,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52 WrapperNode [2018-09-15 12:14:52,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 12:14:52,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 12:14:52,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 12:14:52,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 12:14:52,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 12:14:53,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 12:14:53,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 12:14:53,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 12:14:53,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (1/1) ... [2018-09-15 12:14:53,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 12:14:53,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 12:14:53,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 12:14:53,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 12:14:53,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (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 12:14:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 12:14:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 12:14:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 12:14:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 12:14:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 12:14:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 12:14:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 12:14:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 12:14:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 12:14:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 12:15:01,854 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 12:15:01,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:15:01 BoogieIcfgContainer [2018-09-15 12:15:01,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 12:15:01,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 12:15:01,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 12:15:01,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 12:15:01,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:14:51" (1/3) ... [2018-09-15 12:15:01,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4844d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:15:01, skipping insertion in model container [2018-09-15 12:15:01,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:14:52" (2/3) ... [2018-09-15 12:15:01,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4844d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:15:01, skipping insertion in model container [2018-09-15 12:15:01,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:15:01" (3/3) ... [2018-09-15 12:15:01,864 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label17_true-unreach-call.c [2018-09-15 12:15:01,872 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 12:15:01,881 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 12:15:01,937 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 12:15:01,938 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 12:15:01,938 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 12:15:01,938 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 12:15:01,938 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 12:15:01,939 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 12:15:01,939 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 12:15:01,939 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 12:15:01,939 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 12:15:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-15 12:15:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-15 12:15:01,985 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:15:01,987 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] [2018-09-15 12:15:01,990 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:15:01,995 INFO L82 PathProgramCache]: Analyzing trace with hash -466459612, now seen corresponding path program 1 times [2018-09-15 12:15:01,998 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:15:01,999 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 71 with the following transitions: [2018-09-15 12:15:02,003 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-15 12:15:02,083 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:15:02,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:15:04,113 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:15:04,116 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 12:15:04,167 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:15:04,950 INFO L232 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 80.85% of their original sizes. [2018-09-15 12:15:04,951 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:15:05,281 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:15:05,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:15:05,283 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 12:15:05,283 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:15:05,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 12:15:05,299 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 12:15:05,299 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:15:05,303 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-15 12:15:15,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:15:15,681 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-15 12:15:15,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:15:15,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-09-15 12:15:15,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:15:15,705 INFO L225 Difference]: With dead ends: 1184 [2018-09-15 12:15:15,705 INFO L226 Difference]: Without dead ends: 744 [2018-09-15 12:15:15,715 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:15:15,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-15 12:15:15,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-15 12:15:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-15 12:15:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-15 12:15:15,831 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 70 [2018-09-15 12:15:15,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:15:15,832 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-15 12:15:15,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:15:15,832 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-15 12:15:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-15 12:15:15,840 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:15:15,841 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 12:15:15,841 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:15:15,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1435513619, now seen corresponding path program 1 times [2018-09-15 12:15:15,842 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:15:15,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-09-15 12:15:15,843 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 12:15:15,850 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:15:15,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:15:18,734 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:15:30,843 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:15:30,843 INFO L272 AbstractInterpreter]: Visited 103 different actions 393 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:15:30,853 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:15:32,591 INFO L232 lantSequenceWeakener]: Weakened 164 states. On average, predicates are now at 78.84% of their original sizes. [2018-09-15 12:15:32,591 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:15:35,030 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:15:35,031 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:15:35,031 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:15:35,031 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:15:35,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:15:35,033 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:15:35,033 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:15:35,034 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 12 states. [2018-09-15 12:15:56,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:15:56,076 INFO L93 Difference]: Finished difference Result 1798 states and 3052 transitions. [2018-09-15 12:15:56,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-15 12:15:56,077 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2018-09-15 12:15:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:15:56,093 INFO L225 Difference]: With dead ends: 1798 [2018-09-15 12:15:56,094 INFO L226 Difference]: Without dead ends: 1370 [2018-09-15 12:15:56,099 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 125 SyntacticMatches, 30 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2018-09-15 12:15:56,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-09-15 12:15:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1365. [2018-09-15 12:15:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2018-09-15 12:15:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1724 transitions. [2018-09-15 12:15:56,187 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1724 transitions. Word has length 166 [2018-09-15 12:15:56,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:15:56,188 INFO L480 AbstractCegarLoop]: Abstraction has 1365 states and 1724 transitions. [2018-09-15 12:15:56,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:15:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1724 transitions. [2018-09-15 12:15:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-09-15 12:15:56,201 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:15:56,201 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:56,202 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:15:56,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1606516608, now seen corresponding path program 1 times [2018-09-15 12:15:56,202 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:15:56,203 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 309 with the following transitions: [2018-09-15 12:15:56,204 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 12:15:56,222 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:15:56,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:16:02,895 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:16:15,597 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:16:15,597 INFO L272 AbstractInterpreter]: Visited 245 different actions 722 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:16:15,633 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:16:18,238 INFO L232 lantSequenceWeakener]: Weakened 306 states. On average, predicates are now at 78.11% of their original sizes. [2018-09-15 12:16:18,239 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:16:19,530 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:16:19,530 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:16:19,530 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:16:19,531 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:16:19,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:16:19,532 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:16:19,532 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:16:19,533 INFO L87 Difference]: Start difference. First operand 1365 states and 1724 transitions. Second operand 12 states. [2018-09-15 12:16:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:16:39,855 INFO L93 Difference]: Finished difference Result 2415 states and 3696 transitions. [2018-09-15 12:16:39,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:16:39,858 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 308 [2018-09-15 12:16:39,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:16:39,873 INFO L225 Difference]: With dead ends: 2415 [2018-09-15 12:16:39,874 INFO L226 Difference]: Without dead ends: 1987 [2018-09-15 12:16:39,878 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 315 GetRequests, 239 SyntacticMatches, 58 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:16:39,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2018-09-15 12:16:39,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1984. [2018-09-15 12:16:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1984 states. [2018-09-15 12:16:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2361 transitions. [2018-09-15 12:16:39,962 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2361 transitions. Word has length 308 [2018-09-15 12:16:39,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:16:39,963 INFO L480 AbstractCegarLoop]: Abstraction has 1984 states and 2361 transitions. [2018-09-15 12:16:39,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:16:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2361 transitions. [2018-09-15 12:16:39,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-09-15 12:16:39,973 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:16:39,973 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:16:39,974 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:16:39,974 INFO L82 PathProgramCache]: Analyzing trace with hash -976949855, now seen corresponding path program 1 times [2018-09-15 12:16:39,974 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:16:39,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-09-15 12:16:39,976 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1382], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 12:16:39,986 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:16:39,986 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:16:46,128 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:17:11,292 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:17:11,292 INFO L272 AbstractInterpreter]: Visited 246 different actions 965 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:17:11,300 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:17:13,602 INFO L232 lantSequenceWeakener]: Weakened 307 states. On average, predicates are now at 78.11% of their original sizes. [2018-09-15 12:17:13,602 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:17:18,254 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:17:18,255 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:17:18,255 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 12:17:18,255 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:17:18,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 12:17:18,256 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 12:17:18,257 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-09-15 12:17:18,258 INFO L87 Difference]: Start difference. First operand 1984 states and 2361 transitions. Second operand 16 states. [2018-09-15 12:18:00,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:18:00,149 INFO L93 Difference]: Finished difference Result 3569 states and 5393 transitions. [2018-09-15 12:18:00,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-09-15 12:18:00,150 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 309 [2018-09-15 12:18:00,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:18:00,165 INFO L225 Difference]: With dead ends: 3569 [2018-09-15 12:18:00,166 INFO L226 Difference]: Without dead ends: 3141 [2018-09-15 12:18:00,171 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 327 GetRequests, 264 SyntacticMatches, 30 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=264, Invalid=926, Unknown=0, NotChecked=0, Total=1190 [2018-09-15 12:18:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2018-09-15 12:18:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 2914. [2018-09-15 12:18:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2914 states. [2018-09-15 12:18:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 3327 transitions. [2018-09-15 12:18:00,271 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 3327 transitions. Word has length 309 [2018-09-15 12:18:00,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:18:00,272 INFO L480 AbstractCegarLoop]: Abstraction has 2914 states and 3327 transitions. [2018-09-15 12:18:00,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-15 12:18:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 3327 transitions. [2018-09-15 12:18:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-09-15 12:18:00,281 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:18:00,281 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:00,281 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:18:00,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1741048338, now seen corresponding path program 1 times [2018-09-15 12:18:00,282 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:18:00,282 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 346 with the following transitions: [2018-09-15 12:18:00,283 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-15 12:18:00,290 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:18:00,291 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:18:07,137 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:18:35,127 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:18:35,127 INFO L272 AbstractInterpreter]: Visited 282 different actions 558 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:18:35,134 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:18:43,398 INFO L232 lantSequenceWeakener]: Weakened 343 states. On average, predicates are now at 78.02% of their original sizes. [2018-09-15 12:18:43,398 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-09-15 12:18:45,888 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:18:45,894 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:18:45,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:18:45 BoogieIcfgContainer [2018-09-15 12:18:45,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:18:45,896 INFO L168 Benchmark]: Toolchain (without parser) took 234396.79 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -202.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-15 12:18:45,898 INFO L168 Benchmark]: CDTParser took 0.22 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 12:18:45,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1473.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-09-15 12:18:45,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 271.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-09-15 12:18:45,902 INFO L168 Benchmark]: Boogie Preprocessor took 691.77 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 857.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2018-09-15 12:18:45,903 INFO L168 Benchmark]: RCFGBuilder took 7913.39 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 321.1 MB). Peak memory consumption was 321.1 MB. Max. memory is 7.1 GB. [2018-09-15 12:18:45,903 INFO L168 Benchmark]: TraceAbstraction took 224039.18 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.6 GB in the end (delta: 321.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-15 12:18:45,911 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1473.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 271.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 691.77 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 857.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7913.39 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 321.1 MB). Peak memory consumption was 321.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224039.18 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.6 GB in the end (delta: 321.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 196]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 196). Cancelled while BasicCegarLoop was analyzing trace of length 346 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 15 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 223.9s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 93.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1855 SDtfs, 8042 SDslu, 1619 SDs, 0 SdLazy, 16412 SolverSat, 2109 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 85.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 887 GetRequests, 693 SyntacticMatches, 118 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1322 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2914occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 102.7s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9963356735104975 AbsIntWeakeningRatio, 0.07879295892707461 AbsIntAvgWeakeningVarsNumRemoved, 491.06705783738477 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 237 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label17_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-18-45-932.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label17_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-18-45-932.csv Completed graceful shutdown