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/Problem01_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 08:11:02,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 08:11:02,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 08:11:02,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 08:11:02,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 08:11:02,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 08:11:02,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 08:11:02,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 08:11:02,918 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 08:11:02,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 08:11:02,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 08:11:02,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 08:11:02,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 08:11:02,924 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 08:11:02,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 08:11:02,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 08:11:02,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 08:11:02,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 08:11:02,931 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 08:11:02,933 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 08:11:02,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 08:11:02,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 08:11:02,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 08:11:02,951 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 [2018-09-19 08:11:02,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 08:11:02,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 08:11:02,984 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 08:11:02,984 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 08:11:02,984 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 08:11:02,985 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 08:11:02,985 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 08:11:02,985 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 08:11:02,985 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 08:11:02,985 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 08:11:02,986 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 08:11:02,986 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 08:11:02,986 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 08:11:02,990 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 08:11:02,990 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 08:11:02,990 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 08:11:02,992 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 08:11:02,992 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 08:11:02,992 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 08:11:02,993 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 08:11:02,993 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 08:11:02,993 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 08:11:02,993 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 08:11:02,994 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 08:11:02,994 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 08:11:02,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:11:02,994 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 08:11:02,994 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 08:11:02,995 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 08:11:02,995 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 08:11:02,995 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 08:11:02,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 08:11:02,995 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 08:11:02,996 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 08:11:02,996 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 08:11:03,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 08:11:03,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 08:11:03,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 08:11:03,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 08:11:03,079 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 08:11:03,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-09-19 08:11:03,430 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea42cc5d/551cbdbdbf594c7aaf98a1520c778571/FLAG8c1635c80 [2018-09-19 08:11:03,739 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 08:11:03,740 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-09-19 08:11:03,757 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea42cc5d/551cbdbdbf594c7aaf98a1520c778571/FLAG8c1635c80 [2018-09-19 08:11:03,784 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ea42cc5d/551cbdbdbf594c7aaf98a1520c778571 [2018-09-19 08:11:03,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 08:11:03,805 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 08:11:03,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 08:11:03,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 08:11:03,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 08:11:03,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:11:03" (1/1) ... [2018-09-19 08:11:03,828 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 08:11:03, skipping insertion in model container [2018-09-19 08:11:03,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:11:03" (1/1) ... [2018-09-19 08:11:03,841 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 08:11:04,307 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:11:04,326 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 08:11:04,480 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:11:04,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04 WrapperNode [2018-09-19 08:11:04,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 08:11:04,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 08:11:04,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 08:11:04,525 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 08:11:04,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 08:11:04,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 08:11:04,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 08:11:04,624 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 08:11:04,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (1/1) ... [2018-09-19 08:11:04,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 08:11:04,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 08:11:04,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 08:11:04,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 08:11:04,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (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 08:11:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 08:11:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 08:11:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 08:11:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 08:11:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 08:11:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 08:11:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 08:11:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 08:11:08,466 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 08:11:08,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:11:08 BoogieIcfgContainer [2018-09-19 08:11:08,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 08:11:08,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 08:11:08,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 08:11:08,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 08:11:08,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 08:11:03" (1/3) ... [2018-09-19 08:11:08,476 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 08:11:08, skipping insertion in model container [2018-09-19 08:11:08,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:11:04" (2/3) ... [2018-09-19 08:11:08,477 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 08:11:08, skipping insertion in model container [2018-09-19 08:11:08,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:11:08" (3/3) ... [2018-09-19 08:11:08,479 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-09-19 08:11:08,490 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 08:11:08,502 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 08:11:08,559 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 08:11:08,560 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 08:11:08,561 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 08:11:08,561 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 08:11:08,561 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 08:11:08,561 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 08:11:08,561 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 08:11:08,562 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 08:11:08,562 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 08:11:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 08:11:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-19 08:11:08,602 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:11:08,603 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] [2018-09-19 08:11:08,605 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:11:08,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1784134456, now seen corresponding path program 1 times [2018-09-19 08:11:08,613 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:11:08,614 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 93 with the following transitions: [2018-09-19 08:11:08,618 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], [373], [375], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 08:11:08,692 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:11:08,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:11:28,665 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:11:28,668 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 08:11:28,699 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:11:31,085 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 08:11:31,086 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:11:32,402 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:11:32,404 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:11:32,404 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 08:11:32,404 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:11:32,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 08:11:32,418 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 08:11:32,419 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 08:11:32,422 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 08:11:36,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:11:36,481 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 08:11:36,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 08:11:36,484 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2018-09-19 08:11:36,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:11:36,499 INFO L225 Difference]: With dead ends: 475 [2018-09-19 08:11:36,499 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 08:11:36,507 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 97 GetRequests, 81 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 08:11:36,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 08:11:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 08:11:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 08:11:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 08:11:36,581 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 92 [2018-09-19 08:11:36,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:11:36,582 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 08:11:36,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 08:11:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 08:11:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-19 08:11:36,588 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:11:36,588 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] [2018-09-19 08:11:36,589 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:11:36,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1237528987, now seen corresponding path program 1 times [2018-09-19 08:11:36,589 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:11:36,590 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-09-19 08:11:36,590 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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:11:36,598 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:11:36,599 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:12:22,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:12:22,289 INFO L272 AbstractInterpreter]: Visited 95 different actions 160 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 08:12:22,297 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:12:24,728 INFO L232 lantSequenceWeakener]: Weakened 99 states. On average, predicates are now at 80.15% of their original sizes. [2018-09-19 08:12:24,729 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:12:25,805 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:12:25,805 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:12:25,806 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 08:12:25,806 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:12:25,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 08:12:25,808 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 08:12:25,808 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 08:12:25,808 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 08:12:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:12:36,534 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 08:12:36,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 08:12:36,535 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-09-19 08:12:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:12:36,541 INFO L225 Difference]: With dead ends: 608 [2018-09-19 08:12:36,542 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 08:12:36,546 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 115 GetRequests, 88 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 08:12:36,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 08:12:36,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 08:12:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 08:12:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 08:12:36,584 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 101 [2018-09-19 08:12:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:12:36,584 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 08:12:36,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 08:12:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 08:12:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-19 08:12:36,590 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:12:36,590 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] [2018-09-19 08:12:36,590 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:12:36,591 INFO L82 PathProgramCache]: Analyzing trace with hash 869358827, now seen corresponding path program 1 times [2018-09-19 08:12:36,591 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:12:36,591 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-09-19 08:12:36,591 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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:12:36,597 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:12:36,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:13:21,375 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:13:21,375 INFO L272 AbstractInterpreter]: Visited 95 different actions 159 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 08:13:21,380 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:13:23,515 INFO L232 lantSequenceWeakener]: Weakened 102 states. On average, predicates are now at 80.14% of their original sizes. [2018-09-19 08:13:23,515 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:13:25,028 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:13:25,029 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:13:25,029 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 08:13:25,029 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:13:25,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 08:13:25,030 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 08:13:25,031 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 08:13:25,031 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 12 states. [2018-09-19 08:13:35,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:13:35,891 INFO L93 Difference]: Finished difference Result 788 states and 1227 transitions. [2018-09-19 08:13:35,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 08:13:35,893 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2018-09-19 08:13:35,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:13:35,900 INFO L225 Difference]: With dead ends: 788 [2018-09-19 08:13:35,900 INFO L226 Difference]: Without dead ends: 590 [2018-09-19 08:13:35,902 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 115 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-09-19 08:13:35,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2018-09-19 08:13:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 585. [2018-09-19 08:13:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-09-19 08:13:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 745 transitions. [2018-09-19 08:13:35,961 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 745 transitions. Word has length 104 [2018-09-19 08:13:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:13:35,961 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 745 transitions. [2018-09-19 08:13:35,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 08:13:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 745 transitions. [2018-09-19 08:13:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-19 08:13:35,965 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:13:35,965 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] [2018-09-19 08:13:35,965 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:13:35,966 INFO L82 PathProgramCache]: Analyzing trace with hash 401131848, now seen corresponding path program 1 times [2018-09-19 08:13:35,966 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:13:35,966 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-09-19 08:13:35,967 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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:13:35,971 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:13:35,972 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:14:44,248 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:14:44,249 INFO L272 AbstractInterpreter]: Visited 96 different actions 259 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 08:14:44,257 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:14:46,486 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 80.18% of their original sizes. [2018-09-19 08:14:46,487 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:14:46,914 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:14:46,914 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:14:46,915 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 08:14:46,915 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:14:46,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 08:14:46,916 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 08:14:46,916 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 08:14:46,917 INFO L87 Difference]: Start difference. First operand 585 states and 745 transitions. Second operand 10 states. [2018-09-19 08:14:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:14:53,636 INFO L93 Difference]: Finished difference Result 1157 states and 1589 transitions. [2018-09-19 08:14:53,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-19 08:14:53,637 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 113 [2018-09-19 08:14:53,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:14:53,643 INFO L225 Difference]: With dead ends: 1157 [2018-09-19 08:14:53,643 INFO L226 Difference]: Without dead ends: 777 [2018-09-19 08:14:53,644 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 08:14:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2018-09-19 08:14:53,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 766. [2018-09-19 08:14:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-09-19 08:14:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 946 transitions. [2018-09-19 08:14:53,688 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 946 transitions. Word has length 113 [2018-09-19 08:14:53,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:14:53,688 INFO L480 AbstractCegarLoop]: Abstraction has 766 states and 946 transitions. [2018-09-19 08:14:53,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 08:14:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 946 transitions. [2018-09-19 08:14:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-19 08:14:53,691 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:14:53,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:14:53,692 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:14:53,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1491067695, now seen corresponding path program 1 times [2018-09-19 08:14:53,693 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:14:53,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-09-19 08:14:53,695 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], [137], [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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 08:14:53,701 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:14:53,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:15:34,564 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:15:34,565 INFO L272 AbstractInterpreter]: Visited 95 different actions 160 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 08:15:34,570 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:15:36,672 INFO L232 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 80.11% of their original sizes. [2018-09-19 08:15:36,672 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-09-19 08:15:36,904 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 08:15:36,909 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 08:15:36,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 08:15:36 BoogieIcfgContainer [2018-09-19 08:15:36,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 08:15:36,910 INFO L168 Benchmark]: Toolchain (without parser) took 273112.61 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -447.5 MB). Peak memory consumption was 747.4 MB. Max. memory is 7.1 GB. [2018-09-19 08:15:36,913 INFO L168 Benchmark]: CDTParser took 0.22 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 08:15:36,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.87 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 08:15:36,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.61 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 08:15:36,915 INFO L168 Benchmark]: Boogie Preprocessor took 226.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2018-09-19 08:15:36,916 INFO L168 Benchmark]: RCFGBuilder took 3618.56 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. [2018-09-19 08:15:36,917 INFO L168 Benchmark]: TraceAbstraction took 268439.11 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 447.7 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 241.7 MB). Peak memory consumption was 689.4 MB. Max. memory is 7.1 GB. [2018-09-19 08:15:36,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.87 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 98.61 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 226.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3618.56 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: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268439.11 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 447.7 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 241.7 MB). Peak memory consumption was 689.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 431]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 431). Cancelled while BasicCegarLoop was analyzing trace of length 135 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 8 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 268.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 32.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 918 SDtfs, 2085 SDslu, 1424 SDs, 0 SdLazy, 6725 SolverSat, 653 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 447 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 219.7s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9931271938613908 AbsIntWeakeningRatio, 0.2690166975881262 AbsIntAvgWeakeningVarsNumRemoved, 2807.764378478664 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 23 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/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_08-15-36-936.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label41_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_08-15-36-936.csv Completed graceful shutdown