java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:38:45,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:38:45,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:38:45,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:38:45,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:38:45,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:38:45,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:38:45,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:38:45,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:38:45,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:38:45,811 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:38:45,811 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:38:45,812 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:38:45,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:38:45,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:38:45,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:38:45,816 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:38:45,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:38:45,820 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:38:45,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:38:45,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:38:45,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:38:45,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 01:38:45,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 01:38:45,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 01:38:45,832 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 01:38:45,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 01:38:45,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 01:38:45,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 01:38:45,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 01:38:45,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 01:38:45,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 01:38:45,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 01:38:45,840 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 01:38:45,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 01:38:45,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 01:38:45,843 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 01:38:45,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:38:45,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:38:45,876 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:38:45,876 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:38:45,876 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:38:45,876 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:38:45,879 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:38:45,879 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:38:45,879 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:38:45,880 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:38:45,880 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:38:45,880 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:38:45,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:38:45,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:38:45,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:38:45,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:38:45,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:38:45,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:38:45,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:38:45,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:38:45,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:38:45,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:38:45,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:38:45,884 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:38:45,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:38:45,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:38:45,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:38:45,885 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:38:45,886 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:38:45,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:38:45,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:38:45,886 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:38:45,886 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:38:45,887 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:38:45,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:38:45,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:38:45,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:38:45,990 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:38:45,991 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:38:45,992 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-09-19 01:38:46,380 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82cff898d/7953f07449a6484b9cc28b34951245cd/FLAG88b2af631 [2018-09-19 01:38:46,691 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:38:46,695 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-09-19 01:38:46,713 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82cff898d/7953f07449a6484b9cc28b34951245cd/FLAG88b2af631 [2018-09-19 01:38:46,730 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82cff898d/7953f07449a6484b9cc28b34951245cd [2018-09-19 01:38:46,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:38:46,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:38:46,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:38:46,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:38:46,753 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:38:46,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:46,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201dfe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:46, skipping insertion in model container [2018-09-19 01:38:46,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:38:46" (1/1) ... [2018-09-19 01:38:46,770 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:38:47,263 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:38:47,282 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:38:47,417 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:38:47,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47 WrapperNode [2018-09-19 01:38:47,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:38:47,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:38:47,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:38:47,462 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:38:47,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:38:47,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:38:47,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:38:47,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:38:47,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (1/1) ... [2018-09-19 01:38:47,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:38:47,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:38:47,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:38:47,750 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:38:47,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (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 [2018-09-19 01:38:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:38:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:38:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 01:38:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 01:38:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:38:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:38:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:38:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:38:51,007 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:38:51,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:38:51 BoogieIcfgContainer [2018-09-19 01:38:51,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:38:51,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:38:51,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:38:51,013 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:38:51,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:38:46" (1/3) ... [2018-09-19 01:38:51,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66310b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:38:51, skipping insertion in model container [2018-09-19 01:38:51,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:38:47" (2/3) ... [2018-09-19 01:38:51,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66310b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:38:51, skipping insertion in model container [2018-09-19 01:38:51,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:38:51" (3/3) ... [2018-09-19 01:38:51,017 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label39_true-unreach-call_false-termination.c [2018-09-19 01:38:51,028 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:38:51,039 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:38:51,098 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:38:51,099 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:38:51,100 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:38:51,100 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:38:51,100 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:38:51,100 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:38:51,101 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:38:51,101 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:38:51,101 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:38:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 01:38:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-19 01:38:51,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:38:51,150 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:38:51,151 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:38:51,158 INFO L82 PathProgramCache]: Analyzing trace with hash -537527459, now seen corresponding path program 1 times [2018-09-19 01:38:51,161 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:38:51,163 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-09-19 01:38:51,166 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [749], [751], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 01:38:51,246 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:38:51,247 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:39:11,122 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:39:11,124 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-19 01:39:11,141 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:39:14,135 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 01:39:14,135 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:39:15,437 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:39:15,439 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:39:15,439 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 01:39:15,439 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:39:15,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 01:39:15,453 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 01:39:15,454 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 01:39:15,457 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 01:39:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:39:19,872 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 01:39:19,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 01:39:19,874 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 139 [2018-09-19 01:39:19,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:39:19,889 INFO L225 Difference]: With dead ends: 475 [2018-09-19 01:39:19,889 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 01:39:19,895 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-19 01:39:19,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 01:39:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 01:39:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 01:39:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 01:39:19,959 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 139 [2018-09-19 01:39:19,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:39:19,959 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 01:39:19,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 01:39:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 01:39:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-19 01:39:19,965 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:39:19,965 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 01:39:19,966 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:39:19,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1994105190, now seen corresponding path program 1 times [2018-09-19 01:39:19,966 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:39:19,967 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-09-19 01:39:19,967 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [749], [751], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:39:19,975 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:39:19,975 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:40:13,949 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:40:13,949 INFO L272 AbstractInterpreter]: Visited 142 different actions 207 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:40:13,960 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:40:17,548 INFO L232 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 80.91% of their original sizes. [2018-09-19 01:40:17,548 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:40:18,623 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:40:18,623 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:40:18,623 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:40:18,624 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:40:18,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:40:18,625 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:40:18,626 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:40:18,627 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 01:40:27,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:40:27,812 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 01:40:27,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 01:40:27,813 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 148 [2018-09-19 01:40:27,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:40:27,818 INFO L225 Difference]: With dead ends: 608 [2018-09-19 01:40:27,819 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 01:40:27,823 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-09-19 01:40:27,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 01:40:27,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 01:40:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 01:40:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 01:40:27,863 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 148 [2018-09-19 01:40:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:40:27,864 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 01:40:27,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:40:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 01:40:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-19 01:40:27,870 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:40:27,870 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-19 01:40:27,870 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:40:27,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1373202762, now seen corresponding path program 1 times [2018-09-19 01:40:27,871 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:40:27,871 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-09-19 01:40:27,872 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [749], [751], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:40:27,879 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:40:27,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:41:22,452 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:41:22,453 INFO L272 AbstractInterpreter]: Visited 142 different actions 206 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:41:22,462 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:41:25,073 INFO L232 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 80.89% of their original sizes. [2018-09-19 01:41:25,073 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:41:26,069 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:41:26,070 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:41:26,070 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:41:26,070 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:41:26,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:41:26,071 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:41:26,072 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:41:26,072 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 14 states. [2018-09-19 01:41:38,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:41:38,811 INFO L93 Difference]: Finished difference Result 1242 states and 2111 transitions. [2018-09-19 01:41:38,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 01:41:38,816 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2018-09-19 01:41:38,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:41:38,825 INFO L225 Difference]: With dead ends: 1242 [2018-09-19 01:41:38,825 INFO L226 Difference]: Without dead ends: 1044 [2018-09-19 01:41:38,828 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 127 SyntacticMatches, 11 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=1110, Unknown=0, NotChecked=0, Total=1406 [2018-09-19 01:41:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-09-19 01:41:38,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1033. [2018-09-19 01:41:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-09-19 01:41:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1227 transitions. [2018-09-19 01:41:38,909 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1227 transitions. Word has length 151 [2018-09-19 01:41:38,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:41:38,910 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1227 transitions. [2018-09-19 01:41:38,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:41:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1227 transitions. [2018-09-19 01:41:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-19 01:41:38,914 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:41:38,915 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-09-19 01:41:38,915 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:41:38,916 INFO L82 PathProgramCache]: Analyzing trace with hash -204911795, now seen corresponding path program 1 times [2018-09-19 01:41:38,916 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:41:38,916 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-09-19 01:41:38,917 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [749], [751], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:41:38,924 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:41:38,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:43:07,865 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:43:07,865 INFO L272 AbstractInterpreter]: Visited 143 different actions 353 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-09-19 01:43:07,872 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:43:10,787 INFO L232 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 80.87% of their original sizes. [2018-09-19 01:43:10,787 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:43:11,645 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:43:11,646 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:43:11,646 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:43:11,646 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:43:11,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:43:11,647 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:43:11,647 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:43:11,647 INFO L87 Difference]: Start difference. First operand 1033 states and 1227 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 01:43:13,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 01:43:13,769 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 01:43:13,776 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 01:43:13,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:43:13 BoogieIcfgContainer [2018-09-19 01:43:13,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:43:13,777 INFO L168 Benchmark]: Toolchain (without parser) took 267034.99 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.6 GB in the end (delta: -2.2 GB). Peak memory consumption was 280.2 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:13,779 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-09-19 01:43:13,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:13,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:13,781 INFO L168 Benchmark]: Boogie Preprocessor took 189.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -852.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:13,782 INFO L168 Benchmark]: RCFGBuilder took 3258.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:13,783 INFO L168 Benchmark]: TraceAbstraction took 262767.38 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 220.2 MB. Max. memory is 7.1 GB. [2018-09-19 01:43:13,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 714.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 97.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -852.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3258.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262767.38 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 220.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 572). Cancelled while BasicCegarLoop was constructing difference of abstraction (1033states) and FLOYD_HOARE automaton (currently 19 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (85 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 262.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 28.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 750 SDtfs, 2360 SDslu, 1010 SDs, 0 SdLazy, 5529 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 652 GetRequests, 537 SyntacticMatches, 11 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1033occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 217.5s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9950100599490851 AbsIntWeakeningRatio, 0.19528619528619529 AbsIntAvgWeakeningVarsNumRemoved, 2646.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 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/Problem01_label39_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-43-13-808.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label39_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-43-13-808.csv Completed graceful shutdown