java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label08_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:12:52,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:12:52,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:12:52,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:12:52,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:12:52,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:12:52,558 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:12:52,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:12:52,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:12:52,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:12:52,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:12:52,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:12:52,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:12:52,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:12:52,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:12:52,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:12:52,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:12:52,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:12:52,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:12:52,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:12:52,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:12:52,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:12:52,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:12:52,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:12:52,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:12:52,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:12:52,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:12:52,586 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:12:52,587 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:12:52,588 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:12:52,588 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:12:52,589 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:12:52,589 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:12:52,589 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:12:52,590 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:12:52,591 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:12:52,592 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 20:12:52,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:12:52,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:12:52,609 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:12:52,610 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:12:52,610 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:12:52,610 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:12:52,610 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:12:52,610 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:12:52,611 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:12:52,611 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:12:52,611 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:12:52,611 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:12:52,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:12:52,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:12:52,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:12:52,613 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:12:52,613 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:12:52,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:12:52,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:12:52,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:12:52,614 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:12:52,614 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:12:52,614 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:12:52,614 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:12:52,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:12:52,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:12:52,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:12:52,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:12:52,615 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:12:52,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:12:52,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:12:52,616 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:12:52,616 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:12:52,617 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:12:52,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:12:52,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:12:52,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:12:52,705 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:12:52,705 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:12:52,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label08_true-unreach-call.c [2018-09-15 20:12:53,100 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706cf66c5/58df99703b354301872f4670b751fa3e/FLAG5e44cfca1 [2018-09-15 20:12:53,500 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:12:53,502 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label08_true-unreach-call.c [2018-09-15 20:12:53,533 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706cf66c5/58df99703b354301872f4670b751fa3e/FLAG5e44cfca1 [2018-09-15 20:12:53,561 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706cf66c5/58df99703b354301872f4670b751fa3e [2018-09-15 20:12:53,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:12:53,583 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:12:53,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:12:53,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:12:53,597 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:12:53,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:12:53" (1/1) ... [2018-09-15 20:12:53,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc05160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:53, skipping insertion in model container [2018-09-15 20:12:53,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:12:53" (1/1) ... [2018-09-15 20:12:53,616 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:12:54,435 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:12:54,456 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:12:54,746 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:12:54,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54 WrapperNode [2018-09-15 20:12:54,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:12:54,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:12:54,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:12:54,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:12:54,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:54,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:12:55,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:12:55,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:12:55,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:12:55,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (1/1) ... [2018-09-15 20:12:55,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:12:55,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:12:55,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:12:55,987 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:12:55,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (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 20:12:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:12:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:12:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:12:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:12:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:12:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:12:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:12:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:12:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:12:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:13:04,252 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:13:04,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:13:04 BoogieIcfgContainer [2018-09-15 20:13:04,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:13:04,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:13:04,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:13:04,259 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:13:04,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:12:53" (1/3) ... [2018-09-15 20:13:04,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6e6145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:13:04, skipping insertion in model container [2018-09-15 20:13:04,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:12:54" (2/3) ... [2018-09-15 20:13:04,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6e6145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:13:04, skipping insertion in model container [2018-09-15 20:13:04,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:13:04" (3/3) ... [2018-09-15 20:13:04,264 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label08_true-unreach-call.c [2018-09-15 20:13:04,275 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:13:04,285 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:13:04,352 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:13:04,353 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:13:04,353 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:13:04,354 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:13:04,354 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:13:04,354 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:13:04,354 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:13:04,354 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:13:04,355 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:13:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-15 20:13:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-15 20:13:04,421 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:13:04,424 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] [2018-09-15 20:13:04,425 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:13:04,431 INFO L82 PathProgramCache]: Analyzing trace with hash -561435596, now seen corresponding path program 1 times [2018-09-15 20:13:04,434 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:13:04,435 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-09-15 20:13:04,441 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], [437], [439], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-15 20:13:04,525 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:13:04,525 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:13:06,530 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:13:06,532 INFO L272 AbstractInterpreter]: Visited 57 different actions 57 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 20:13:06,549 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:13:07,557 INFO L232 lantSequenceWeakener]: Weakened 56 states. On average, predicates are now at 80.65% of their original sizes. [2018-09-15 20:13:07,557 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:13:07,853 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:13:07,855 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:13:07,856 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:13:07,856 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:13:07,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:13:07,869 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:13:07,870 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:13:07,873 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-15 20:13:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:13:19,933 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-15 20:13:19,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 20:13:19,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-09-15 20:13:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:13:19,960 INFO L225 Difference]: With dead ends: 1184 [2018-09-15 20:13:19,960 INFO L226 Difference]: Without dead ends: 744 [2018-09-15 20:13:19,968 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:13:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-15 20:13:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-15 20:13:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-15 20:13:20,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-15 20:13:20,071 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 58 [2018-09-15 20:13:20,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:13:20,072 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-15 20:13:20,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 20:13:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-15 20:13:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-15 20:13:20,080 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:13:20,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:13:20,081 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:13:20,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1603580733, now seen corresponding path program 1 times [2018-09-15 20:13:20,082 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:13:20,082 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-09-15 20:13:20,083 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], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [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 20:13:20,091 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:13:20,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:13:24,005 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:13:36,373 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:13:36,374 INFO L272 AbstractInterpreter]: Visited 103 different actions 296 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 20:13:36,409 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:13:39,118 INFO L232 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 78.58% of their original sizes. [2018-09-15 20:13:39,119 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:13:44,310 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:13:44,310 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:13:44,311 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 20:13:44,311 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:13:44,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 20:13:44,313 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 20:13:44,313 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-09-15 20:13:44,314 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 19 states. [2018-09-15 20:14:22,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:14:22,446 INFO L93 Difference]: Finished difference Result 2689 states and 4825 transitions. [2018-09-15 20:14:22,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-15 20:14:22,447 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2018-09-15 20:14:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:14:22,463 INFO L225 Difference]: With dead ends: 2689 [2018-09-15 20:14:22,463 INFO L226 Difference]: Without dead ends: 2261 [2018-09-15 20:14:22,469 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 48 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=370, Invalid=1352, Unknown=0, NotChecked=0, Total=1722 [2018-09-15 20:14:22,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2018-09-15 20:14:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2023. [2018-09-15 20:14:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2023 states. [2018-09-15 20:14:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2410 transitions. [2018-09-15 20:14:22,577 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2410 transitions. Word has length 154 [2018-09-15 20:14:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:14:22,578 INFO L480 AbstractCegarLoop]: Abstraction has 2023 states and 2410 transitions. [2018-09-15 20:14:22,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 20:14:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2410 transitions. [2018-09-15 20:14:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-09-15 20:14:22,597 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:14:22,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:22,598 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:14:22,598 INFO L82 PathProgramCache]: Analyzing trace with hash 368646736, now seen corresponding path program 1 times [2018-09-15 20:14:22,599 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:14:22,599 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 297 with the following transitions: [2018-09-15 20:14:22,600 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], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [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 20:14:22,611 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:14:22,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:14:35,676 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:15:16,055 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:15:16,056 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 20:15:16,061 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:15:21,149 INFO L232 lantSequenceWeakener]: Weakened 294 states. On average, predicates are now at 77.95% of their original sizes. [2018-09-15 20:15:21,149 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:15:30,556 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:15:30,557 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:15:30,557 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 20:15:30,557 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:15:30,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 20:15:30,559 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 20:15:30,559 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-09-15 20:15:30,560 INFO L87 Difference]: Start difference. First operand 2023 states and 2410 transitions. Second operand 19 states. [2018-09-15 20:15:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:15:59,756 INFO L93 Difference]: Finished difference Result 3775 states and 5769 transitions. [2018-09-15 20:15:59,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-09-15 20:15:59,758 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 296 [2018-09-15 20:15:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:15:59,780 INFO L225 Difference]: With dead ends: 3775 [2018-09-15 20:15:59,780 INFO L226 Difference]: Without dead ends: 3347 [2018-09-15 20:15:59,787 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 191 SyntacticMatches, 87 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=394, Invalid=1412, Unknown=0, NotChecked=0, Total=1806 [2018-09-15 20:15:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2018-09-15 20:15:59,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 3344. [2018-09-15 20:15:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2018-09-15 20:15:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3784 transitions. [2018-09-15 20:15:59,922 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3784 transitions. Word has length 296 [2018-09-15 20:15:59,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:15:59,924 INFO L480 AbstractCegarLoop]: Abstraction has 3344 states and 3784 transitions. [2018-09-15 20:15:59,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 20:15:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3784 transitions. [2018-09-15 20:15:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-09-15 20:15:59,932 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:15:59,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:59,933 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:15:59,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1289038238, now seen corresponding path program 1 times [2018-09-15 20:15:59,934 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:15:59,934 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 334 with the following transitions: [2018-09-15 20:15:59,935 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], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [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 20:15:59,945 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:15:59,946 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:16:13,492 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:16:59,747 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:16:59,747 INFO L272 AbstractInterpreter]: Visited 282 different actions 833 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 20:16:59,759 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:17:04,137 INFO L232 lantSequenceWeakener]: Weakened 331 states. On average, predicates are now at 77.87% of their original sizes. [2018-09-15 20:17:04,137 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:17:05,867 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:17:05,867 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:17:05,867 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 20:17:05,867 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:17:05,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 20:17:05,868 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 20:17:05,868 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-09-15 20:17:05,869 INFO L87 Difference]: Start difference. First operand 3344 states and 3784 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 20:17:14,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 20:17:14,548 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 20:17:14,553 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 20:17:14,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:17:14 BoogieIcfgContainer [2018-09-15 20:17:14,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 20:17:14,554 INFO L168 Benchmark]: Toolchain (without parser) took 260976.36 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: -186.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-15 20:17:14,557 INFO L168 Benchmark]: CDTParser took 0.23 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 20:17:14,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1318.16 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 20:17:14,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-09-15 20:17:14,559 INFO L168 Benchmark]: Boogie Preprocessor took 791.35 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 888.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-09-15 20:17:14,560 INFO L168 Benchmark]: RCFGBuilder took 8267.55 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 285.2 MB). Peak memory consumption was 285.2 MB. Max. memory is 7.1 GB. [2018-09-15 20:17:14,561 INFO L168 Benchmark]: TraceAbstraction took 250298.59 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 404.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-15 20:17:14,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1318.16 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 289.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 791.35 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 888.1 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8267.55 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 285.2 MB). Peak memory consumption was 285.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250298.59 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 404.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 160). Cancelled while BasicCegarLoop was constructing difference of abstraction (3344states) and FLOYD_HOARE automaton (currently 11 states, 20 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 28 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 250.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 88.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1422 SDtfs, 13012 SDslu, 1289 SDs, 0 SdLazy, 15112 SolverSat, 1712 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 78.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 893 GetRequests, 646 SyntacticMatches, 135 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3344occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 131.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9958809695836343 AbsIntWeakeningRatio, 0.0884109916367981 AbsIntAvgWeakeningVarsNumRemoved, 23.444444444444443 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 243 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label08_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_20-17-14-581.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label08_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_20-17-14-581.csv Completed graceful shutdown