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/Problem12_label47_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:49:59,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:49:59,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:49:59,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:49:59,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:49:59,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:49:59,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:49:59,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:49:59,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:49:59,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:49:59,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:49:59,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:49:59,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:49:59,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:49:59,869 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:49:59,870 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:49:59,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:49:59,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:49:59,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:49:59,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:49:59,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:49:59,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:49:59,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:49:59,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:49:59,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:49:59,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:49:59,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:49:59,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:49:59,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:49:59,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:49:59,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:49:59,888 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:49:59,888 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:49:59,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:49:59,889 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:49:59,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:49:59,891 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 19:49:59,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:49:59,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:49:59,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:49:59,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:49:59,918 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:49:59,918 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:49:59,918 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:49:59,919 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:49:59,919 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:49:59,919 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:49:59,919 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:49:59,919 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:49:59,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:49:59,920 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:49:59,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:49:59,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:49:59,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:49:59,921 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:49:59,921 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:49:59,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:49:59,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:49:59,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:49:59,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:49:59,922 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:49:59,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:49:59,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:49:59,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:49:59,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:49:59,923 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:49:59,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:49:59,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:49:59,924 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:49:59,924 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:49:59,924 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:49:59,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:49:59,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:50:00,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:50:00,004 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:50:00,004 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:50:00,005 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label47_true-unreach-call.c [2018-09-15 19:50:00,375 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff472915f/13ecfd7196df49a799bd9d747c2a2410/FLAG5501179a1 [2018-09-15 19:50:00,847 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:50:00,847 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label47_true-unreach-call.c [2018-09-15 19:50:00,890 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff472915f/13ecfd7196df49a799bd9d747c2a2410/FLAG5501179a1 [2018-09-15 19:50:00,911 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff472915f/13ecfd7196df49a799bd9d747c2a2410 [2018-09-15 19:50:00,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:50:00,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:50:00,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:50:00,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:50:00,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:50:00,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:50:00" (1/1) ... [2018-09-15 19:50:00,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe36dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:00, skipping insertion in model container [2018-09-15 19:50:00,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:50:00" (1/1) ... [2018-09-15 19:50:00,959 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:50:02,211 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:50:02,231 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:50:02,843 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:50:03,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03 WrapperNode [2018-09-15 19:50:03,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:50:03,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:50:03,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:50:03,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:50:03,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:03,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:03,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:50:03,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:50:03,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:50:03,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:50:03,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:03,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:03,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:03,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:04,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:04,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:04,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... [2018-09-15 19:50:04,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:50:04,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:50:04,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:50:04,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:50:04,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:50:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:50:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:50:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 19:50:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 19:50:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 19:50:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 19:50:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 19:50:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 19:50:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:50:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:50:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:50:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:50:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:50:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:50:16,593 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:50:16,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:50:16 BoogieIcfgContainer [2018-09-15 19:50:16,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:50:16,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:50:16,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:50:16,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:50:16,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:50:00" (1/3) ... [2018-09-15 19:50:16,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56df7891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:50:16, skipping insertion in model container [2018-09-15 19:50:16,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:50:03" (2/3) ... [2018-09-15 19:50:16,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56df7891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:50:16, skipping insertion in model container [2018-09-15 19:50:16,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:50:16" (3/3) ... [2018-09-15 19:50:16,602 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label47_true-unreach-call.c [2018-09-15 19:50:16,612 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:50:16,622 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:50:16,685 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:50:16,686 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:50:16,686 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:50:16,686 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:50:16,687 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:50:16,687 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:50:16,687 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:50:16,687 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:50:16,687 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:50:16,726 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-09-15 19:50:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-15 19:50:16,735 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:50:16,737 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] [2018-09-15 19:50:16,738 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:50:16,744 INFO L82 PathProgramCache]: Analyzing trace with hash 986841587, now seen corresponding path program 1 times [2018-09-15 19:50:16,746 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:50:16,747 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-09-15 19:50:16,750 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2127], [2129], [3244], [3248], [3254], [3258], [3271], [3272], [3273], [3275] [2018-09-15 19:50:16,811 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:50:16,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:50:19,409 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:50:19,410 INFO L272 AbstractInterpreter]: Visited 44 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 19:50:19,433 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:50:20,311 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 77.53% of their original sizes. [2018-09-15 19:50:20,312 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:50:20,635 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:50:20,637 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:50:20,637 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:50:20,638 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:50:20,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:50:20,650 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:50:20,651 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:50:20,654 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 6 states. [2018-09-15 19:50:41,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:50:41,977 INFO L93 Difference]: Finished difference Result 2448 states and 4699 transitions. [2018-09-15 19:50:41,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:50:41,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-09-15 19:50:41,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:50:42,023 INFO L225 Difference]: With dead ends: 2448 [2018-09-15 19:50:42,023 INFO L226 Difference]: Without dead ends: 1606 [2018-09-15 19:50:42,035 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:50:42,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-09-15 19:50:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1604. [2018-09-15 19:50:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-09-15 19:50:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2357 transitions. [2018-09-15 19:50:42,201 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2357 transitions. Word has length 45 [2018-09-15 19:50:42,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:50:42,202 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2357 transitions. [2018-09-15 19:50:42,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:50:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2357 transitions. [2018-09-15 19:50:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-15 19:50:42,209 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:50:42,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:50:42,210 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:50:42,210 INFO L82 PathProgramCache]: Analyzing trace with hash -694932976, now seen corresponding path program 1 times [2018-09-15 19:50:42,210 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:50:42,211 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 122 with the following transitions: [2018-09-15 19:50:42,211 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2127], [2129], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 19:50:42,220 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:50:42,220 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:50:52,237 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:50:52,237 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 19:50:52,246 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:50:54,236 INFO L232 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 75.99% of their original sizes. [2018-09-15 19:50:54,236 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:50:55,248 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:50:55,249 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:50:55,249 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 19:50:55,250 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:50:55,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 19:50:55,251 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 19:50:55,252 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 19:50:55,252 INFO L87 Difference]: Start difference. First operand 1604 states and 2357 transitions. Second operand 13 states. [2018-09-15 19:51:43,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:51:43,164 INFO L93 Difference]: Finished difference Result 4255 states and 7538 transitions. [2018-09-15 19:51:43,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 19:51:43,175 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2018-09-15 19:51:43,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:51:43,191 INFO L225 Difference]: With dead ends: 4255 [2018-09-15 19:51:43,191 INFO L226 Difference]: Without dead ends: 3425 [2018-09-15 19:51:43,196 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 132 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2018-09-15 19:51:43,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2018-09-15 19:51:43,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3174. [2018-09-15 19:51:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2018-09-15 19:51:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 3953 transitions. [2018-09-15 19:51:43,303 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 3953 transitions. Word has length 121 [2018-09-15 19:51:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:51:43,306 INFO L480 AbstractCegarLoop]: Abstraction has 3174 states and 3953 transitions. [2018-09-15 19:51:43,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 19:51:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 3953 transitions. [2018-09-15 19:51:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-15 19:51:43,320 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:51:43,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:51:43,323 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:51:43,323 INFO L82 PathProgramCache]: Analyzing trace with hash 523780604, now seen corresponding path program 1 times [2018-09-15 19:51:43,323 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:51:43,324 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-09-15 19:51:43,324 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2127], [2129], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 19:51:43,333 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:51:43,334 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:51:53,156 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:52:24,400 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:52:24,401 INFO L272 AbstractInterpreter]: Visited 153 different actions 446 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 19:52:24,403 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:52:27,001 INFO L232 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 75.62% of their original sizes. [2018-09-15 19:52:27,001 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:52:27,684 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:52:27,685 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:52:27,685 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 19:52:27,685 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:52:27,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 19:52:27,686 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 19:52:27,686 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 19:52:27,687 INFO L87 Difference]: Start difference. First operand 3174 states and 3953 transitions. Second operand 13 states. [2018-09-15 19:53:11,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:53:11,324 INFO L93 Difference]: Finished difference Result 4777 states and 7053 transitions. [2018-09-15 19:53:11,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 19:53:11,325 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 191 [2018-09-15 19:53:11,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:53:11,359 INFO L225 Difference]: With dead ends: 4777 [2018-09-15 19:53:11,359 INFO L226 Difference]: Without dead ends: 3947 [2018-09-15 19:53:11,364 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-09-15 19:53:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2018-09-15 19:53:11,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3944. [2018-09-15 19:53:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3944 states. [2018-09-15 19:53:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 4739 transitions. [2018-09-15 19:53:11,492 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 4739 transitions. Word has length 191 [2018-09-15 19:53:11,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:53:11,493 INFO L480 AbstractCegarLoop]: Abstraction has 3944 states and 4739 transitions. [2018-09-15 19:53:11,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 19:53:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4739 transitions. [2018-09-15 19:53:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-15 19:53:11,501 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:53:11,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:53:11,502 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:53:11,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2048855108, now seen corresponding path program 1 times [2018-09-15 19:53:11,503 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:53:11,503 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-09-15 19:53:11,504 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2127], [2129], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 19:53:11,517 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:53:11,517 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:53:22,259 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:54:13,106 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:54:13,107 INFO L272 AbstractInterpreter]: Visited 157 different actions 458 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 19:54:13,147 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 19:54:17,400 INFO L232 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 75.61% of their original sizes. [2018-09-15 19:54:17,401 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:54:17,418 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:54:17,422 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:54:17,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:54:17 BoogieIcfgContainer [2018-09-15 19:54:17,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:54:17,424 INFO L168 Benchmark]: Toolchain (without parser) took 256497.41 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-15 19:54:17,425 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:54:17,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2147.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:54:17,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:54:17,428 INFO L168 Benchmark]: Boogie Preprocessor took 904.90 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 922.7 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2018-09-15 19:54:17,429 INFO L168 Benchmark]: RCFGBuilder took 12393.05 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 636.6 MB). Peak memory consumption was 636.6 MB. Max. memory is 7.1 GB. [2018-09-15 19:54:17,429 INFO L168 Benchmark]: TraceAbstraction took 240827.99 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 3.1 GB in the end (delta: -1.4 GB). Peak memory consumption was 379.6 MB. Max. memory is 7.1 GB. [2018-09-15 19:54:17,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2147.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 217.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 904.90 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 922.7 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12393.05 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 636.6 MB). Peak memory consumption was 636.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240827.99 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 3.1 GB in the end (delta: -1.4 GB). Peak memory consumption was 379.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 126). Cancelled while BasicCegarLoop was analyzing trace of length 196 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 240.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 113.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2529 SDtfs, 9351 SDslu, 1297 SDs, 0 SdLazy, 26911 SolverSat, 3266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 377 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3944occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 115.4s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9939161051843531 AbsIntWeakeningRatio, 0.14233576642335766 AbsIntAvgWeakeningVarsNumRemoved, 51.31204379562044 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 256 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/Problem12_label47_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-54-17-449.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label47_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-54-17-449.csv Completed graceful shutdown