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_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:16:51,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:16:51,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:16:51,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:16:51,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:16:51,720 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:16:51,722 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:16:51,724 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:16:51,725 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:16:51,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:16:51,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:16:51,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:16:51,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:16:51,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:16:51,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:16:51,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:16:51,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:16:51,735 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:16:51,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:16:51,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:16:51,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:16:51,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:16:51,753 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:16:51,753 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:16:51,753 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:16:51,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:16:51,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:16:51,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:16:51,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:16:51,762 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:16:51,762 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:16:51,765 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:16:51,765 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:16:51,766 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:16:51,769 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:16:51,769 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:16:51,770 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 20:16:51,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:16:51,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:16:51,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:16:51,801 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:16:51,801 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:16:51,802 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:16:51,802 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:16:51,802 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:16:51,802 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:16:51,803 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:16:51,803 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:16:51,803 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:16:51,804 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:16:51,805 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:16:51,805 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:16:51,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:16:51,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:16:51,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:16:51,806 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:16:51,806 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:16:51,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:16:51,807 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:16:51,807 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:16:51,807 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:16:51,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:16:51,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:16:51,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:16:51,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:16:51,810 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:16:51,810 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:16:51,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:16:51,810 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:16:51,811 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:16:51,811 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:16:51,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:16:51,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:16:51,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:16:51,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:16:51,897 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:16:51,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-09-15 20:16:52,235 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9b5317a/96015e3003724ee880a01f0cc3749e42/FLAGbe34ee912 [2018-09-15 20:16:52,659 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:16:52,660 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-09-15 20:16:52,685 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9b5317a/96015e3003724ee880a01f0cc3749e42/FLAGbe34ee912 [2018-09-15 20:16:52,705 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9b5317a/96015e3003724ee880a01f0cc3749e42 [2018-09-15 20:16:52,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:16:52,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:16:52,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:16:52,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:16:52,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:16:52,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:16:52" (1/1) ... [2018-09-15 20:16:52,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2474acfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:52, skipping insertion in model container [2018-09-15 20:16:52,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:16:52" (1/1) ... [2018-09-15 20:16:52,754 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:16:53,566 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:16:53,585 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:16:53,871 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:16:54,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54 WrapperNode [2018-09-15 20:16:54,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:16:54,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:16:54,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:16:54,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:16:54,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:16:54,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:16:54,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:16:54,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:16:54,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:54,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:55,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (1/1) ... [2018-09-15 20:16:55,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:16:55,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:16:55,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:16:55,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:16:55,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (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 20:16:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:16:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:16:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:16:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:16:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:16:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:16:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:16:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:16:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:16:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:17:03,097 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:17:03,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:17:03 BoogieIcfgContainer [2018-09-15 20:17:03,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:17:03,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:17:03,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:17:03,102 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:17:03,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:16:52" (1/3) ... [2018-09-15 20:17:03,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211b8d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:17:03, skipping insertion in model container [2018-09-15 20:17:03,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:16:54" (2/3) ... [2018-09-15 20:17:03,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211b8d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:17:03, skipping insertion in model container [2018-09-15 20:17:03,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:17:03" (3/3) ... [2018-09-15 20:17:03,106 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26_true-unreach-call.c [2018-09-15 20:17:03,115 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:17:03,125 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:17:03,203 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:17:03,204 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:17:03,204 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:17:03,204 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:17:03,204 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:17:03,204 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:17:03,204 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:17:03,205 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:17:03,205 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:17:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-15 20:17:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-15 20:17:03,274 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:17:03,275 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] [2018-09-15 20:17:03,276 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:17:03,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1626414812, now seen corresponding path program 1 times [2018-09-15 20:17:03,283 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:17:03,284 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 61 with the following transitions: [2018-09-15 20:17:03,287 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], [453], [455], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-15 20:17:03,364 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:17:03,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:17:05,368 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:17:05,370 INFO L272 AbstractInterpreter]: Visited 59 different actions 59 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 20:17:05,392 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:17:06,470 INFO L232 lantSequenceWeakener]: Weakened 58 states. On average, predicates are now at 80.69% of their original sizes. [2018-09-15 20:17:06,471 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:17:06,839 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:17:06,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:17:06,844 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:17:06,844 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:17:06,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:17:06,859 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:17:06,860 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:17:06,863 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-15 20:17:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:17:14,758 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-15 20:17:14,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 20:17:14,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-09-15 20:17:14,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:17:14,784 INFO L225 Difference]: With dead ends: 1184 [2018-09-15 20:17:14,785 INFO L226 Difference]: Without dead ends: 744 [2018-09-15 20:17:14,793 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 59 GetRequests, 55 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 20:17:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-15 20:17:14,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-15 20:17:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-15 20:17:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-15 20:17:14,899 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 60 [2018-09-15 20:17:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:17:14,901 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-15 20:17:14,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 20:17:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-15 20:17:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-15 20:17:14,918 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:17:14,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:17:14,919 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:17:14,920 INFO L82 PathProgramCache]: Analyzing trace with hash -168816763, now seen corresponding path program 1 times [2018-09-15 20:17:14,920 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:17:14,920 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-09-15 20:17:14,921 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], [453], [455], [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 20:17:14,938 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:17:14,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:17:20,144 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:17:32,641 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:17:32,642 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 20:17:32,650 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:17:35,402 INFO L232 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 78.62% of their original sizes. [2018-09-15 20:17:35,402 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:17:40,750 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:17:40,751 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:17:40,751 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 20:17:40,752 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:17:40,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 20:17:40,754 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 20:17:40,754 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-09-15 20:17:40,755 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 19 states. [2018-09-15 20:18:17,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:18:17,323 INFO L93 Difference]: Finished difference Result 2689 states and 4825 transitions. [2018-09-15 20:18:17,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-09-15 20:18:17,324 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 156 [2018-09-15 20:18:17,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:18:17,340 INFO L225 Difference]: With dead ends: 2689 [2018-09-15 20:18:17,340 INFO L226 Difference]: Without dead ends: 2261 [2018-09-15 20:18:17,346 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 90 SyntacticMatches, 48 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=370, Invalid=1352, Unknown=0, NotChecked=0, Total=1722 [2018-09-15 20:18:17,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2018-09-15 20:18:17,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2023. [2018-09-15 20:18:17,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2023 states. [2018-09-15 20:18:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2410 transitions. [2018-09-15 20:18:17,439 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2410 transitions. Word has length 156 [2018-09-15 20:18:17,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:18:17,440 INFO L480 AbstractCegarLoop]: Abstraction has 2023 states and 2410 transitions. [2018-09-15 20:18:17,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 20:18:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2410 transitions. [2018-09-15 20:18:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-09-15 20:18:17,461 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:18:17,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:18:17,462 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:18:17,463 INFO L82 PathProgramCache]: Analyzing trace with hash -115493416, now seen corresponding path program 1 times [2018-09-15 20:18:17,463 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:18:17,463 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2018-09-15 20:18:17,464 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], [453], [455], [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 20:18:17,481 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:18:17,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:18:29,233 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:19:12,508 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:19:12,508 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 20:19:12,519 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:19:17,729 INFO L232 lantSequenceWeakener]: Weakened 296 states. On average, predicates are now at 77.97% of their original sizes. [2018-09-15 20:19:17,730 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:19:27,037 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:19:27,037 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:19:27,037 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 20:19:27,038 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:19:27,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 20:19:27,039 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 20:19:27,039 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-09-15 20:19:27,040 INFO L87 Difference]: Start difference. First operand 2023 states and 2410 transitions. Second operand 19 states. [2018-09-15 20:20:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 20:20:03,878 INFO L93 Difference]: Finished difference Result 3775 states and 5769 transitions. [2018-09-15 20:20:03,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-09-15 20:20:03,880 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 298 [2018-09-15 20:20:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 20:20:03,899 INFO L225 Difference]: With dead ends: 3775 [2018-09-15 20:20:03,899 INFO L226 Difference]: Without dead ends: 3347 [2018-09-15 20:20:03,905 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 321 GetRequests, 193 SyntacticMatches, 87 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=394, Invalid=1412, Unknown=0, NotChecked=0, Total=1806 [2018-09-15 20:20:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2018-09-15 20:20:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 3344. [2018-09-15 20:20:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2018-09-15 20:20:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3784 transitions. [2018-09-15 20:20:04,020 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3784 transitions. Word has length 298 [2018-09-15 20:20:04,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 20:20:04,021 INFO L480 AbstractCegarLoop]: Abstraction has 3344 states and 3784 transitions. [2018-09-15 20:20:04,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-09-15 20:20:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3784 transitions. [2018-09-15 20:20:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-09-15 20:20:04,029 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:20:04,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:20:04,030 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:20:04,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1700110762, now seen corresponding path program 1 times [2018-09-15 20:20:04,030 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:20:04,030 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-09-15 20:20:04,031 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], [453], [455], [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 20:20:04,039 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:20:04,039 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:20:17,375 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 20:21:05,328 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:21:05,329 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 20:21:05,338 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:21:09,719 INFO L232 lantSequenceWeakener]: Weakened 333 states. On average, predicates are now at 77.9% of their original sizes. [2018-09-15 20:21:09,719 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:21:11,515 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:21:11,515 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:21:11,515 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 20:21:11,515 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:21:11,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 20:21:11,517 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 20:21:11,517 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-09-15 20:21:11,517 INFO L87 Difference]: Start difference. First operand 3344 states and 3784 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 20:21:13,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 20:21:13,240 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 20:21:13,247 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 20:21:13,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 08:21:13 BoogieIcfgContainer [2018-09-15 20:21:13,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 20:21:13,249 INFO L168 Benchmark]: Toolchain (without parser) took 260527.76 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 1.7 GB in the end (delta: -311.3 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-15 20:21:13,251 INFO L168 Benchmark]: CDTParser took 0.21 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 20:21:13,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.90 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-09-15 20:21:13,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 278.73 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 20:21:13,254 INFO L168 Benchmark]: Boogie Preprocessor took 722.42 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 860.4 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 20:21:13,254 INFO L168 Benchmark]: RCFGBuilder took 8056.22 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: 297.3 MB). Peak memory consumption was 297.3 MB. Max. memory is 7.1 GB. [2018-09-15 20:21:13,255 INFO L168 Benchmark]: TraceAbstraction took 250148.95 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 1.7 GB in the end (delta: 252.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-15 20:21:13,261 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1311.90 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 278.73 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 722.42 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 860.4 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 8056.22 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: 297.3 MB). Peak memory consumption was 297.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250148.95 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 1.7 GB in the end (delta: 252.4 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: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was constructing difference of abstraction (3344states) and FLOYD_HOARE automaton (currently 7 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (83 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 250.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 83.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1406 SDtfs, 10842 SDslu, 1417 SDs, 0 SdLazy, 14724 SolverSat, 1686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 896 GetRequests, 654 SyntacticMatches, 135 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 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, 136.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.995919966321304 AbsIntWeakeningRatio, 0.08757396449704143 AbsIntAvgWeakeningVarsNumRemoved, 22.928994082840237 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s 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_label26_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_20-21-13-276.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label26_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_20-21-13-276.csv Completed graceful shutdown