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_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:46:20,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:46:20,908 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:46:20,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:46:20,921 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:46:20,922 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:46:20,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:46:20,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:46:20,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:46:20,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:46:20,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:46:20,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:46:20,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:46:20,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:46:20,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:46:20,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:46:20,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:46:20,937 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:46:20,939 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:46:20,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:46:20,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:46:20,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:46:20,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:46:20,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:46:20,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:46:20,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:46:20,949 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:46:20,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:46:20,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:46:20,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:46:20,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:46:20,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:46:20,953 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:46:20,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:46:20,954 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:46:20,955 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:46:20,955 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 19:46:20,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:46:20,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:46:20,978 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:46:20,978 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:46:20,978 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:46:20,979 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:46:20,979 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:46:20,979 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:46:20,979 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:46:20,979 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:46:20,980 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:46:20,980 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:46:20,981 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:46:20,981 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:46:20,981 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:46:20,981 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:46:20,981 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:46:20,982 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:46:20,982 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:46:20,982 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:46:20,982 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:46:20,982 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:46:20,983 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:46:20,983 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:46:20,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:46:20,983 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:46:20,983 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:46:20,984 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:46:20,984 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:46:20,984 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:46:20,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:46:20,984 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:46:20,984 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:46:20,985 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:46:21,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:46:21,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:46:21,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:46:21,050 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:46:21,050 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:46:21,051 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label27_true-unreach-call.c [2018-09-15 19:46:21,415 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a44dd89/56f81375da744a528d0306d7b9889c84/FLAG94a418e60 [2018-09-15 19:46:21,972 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:46:21,973 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label27_true-unreach-call.c [2018-09-15 19:46:22,006 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a44dd89/56f81375da744a528d0306d7b9889c84/FLAG94a418e60 [2018-09-15 19:46:22,024 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a44dd89/56f81375da744a528d0306d7b9889c84 [2018-09-15 19:46:22,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:46:22,041 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:46:22,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:46:22,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:46:22,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:46:22,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:46:22" (1/1) ... [2018-09-15 19:46:22,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b894ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:22, skipping insertion in model container [2018-09-15 19:46:22,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:46:22" (1/1) ... [2018-09-15 19:46:22,074 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:46:23,396 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:46:23,420 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:46:24,149 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:46:24,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24 WrapperNode [2018-09-15 19:46:24,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:46:24,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:46:24,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:46:24,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:46:24,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:24,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:24,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:46:24,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:46:24,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:46:24,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:46:25,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (1/1) ... [2018-09-15 19:46:25,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:46:25,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:46:25,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:46:25,704 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:46:25,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (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 19:46:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:46:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:46:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 19:46:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 19:46:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 19:46:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 19:46:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 19:46:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 19:46:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:46:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:46:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:46:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:46:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:46:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:46:37,316 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:46:37,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:46:37 BoogieIcfgContainer [2018-09-15 19:46:37,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:46:37,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:46:37,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:46:37,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:46:37,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:46:22" (1/3) ... [2018-09-15 19:46:37,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a02f450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:46:37, skipping insertion in model container [2018-09-15 19:46:37,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:46:24" (2/3) ... [2018-09-15 19:46:37,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a02f450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:46:37, skipping insertion in model container [2018-09-15 19:46:37,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:46:37" (3/3) ... [2018-09-15 19:46:37,332 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label27_true-unreach-call.c [2018-09-15 19:46:37,341 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:46:37,352 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:46:37,421 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:46:37,422 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:46:37,422 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:46:37,422 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:46:37,422 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:46:37,422 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:46:37,423 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:46:37,423 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:46:37,423 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:46:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-09-15 19:46:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-15 19:46:37,489 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:46:37,490 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] [2018-09-15 19:46:37,491 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:46:37,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1410046180, now seen corresponding path program 1 times [2018-09-15 19:46:37,500 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:46:37,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 39 with the following transitions: [2018-09-15 19:46:37,505 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], [2071], [2073], [3244], [3248], [3254], [3258], [3271], [3272], [3273], [3275] [2018-09-15 19:46:37,568 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:46:37,569 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:46:39,584 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:46:39,586 INFO L272 AbstractInterpreter]: Visited 37 different actions 37 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 19:46:39,626 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:46:40,614 INFO L232 lantSequenceWeakener]: Weakened 36 states. On average, predicates are now at 77.21% of their original sizes. [2018-09-15 19:46:40,614 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:46:40,936 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:46:40,938 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:46:40,938 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:46:40,938 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:46:40,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:46:40,952 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:46:40,952 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:46:40,956 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 6 states. [2018-09-15 19:47:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:47:08,130 INFO L93 Difference]: Finished difference Result 2448 states and 4699 transitions. [2018-09-15 19:47:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:47:08,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-09-15 19:47:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:47:08,165 INFO L225 Difference]: With dead ends: 2448 [2018-09-15 19:47:08,165 INFO L226 Difference]: Without dead ends: 1606 [2018-09-15 19:47:08,175 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:47:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-09-15 19:47:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1604. [2018-09-15 19:47:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-09-15 19:47:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2357 transitions. [2018-09-15 19:47:08,342 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2357 transitions. Word has length 38 [2018-09-15 19:47:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:47:08,345 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2357 transitions. [2018-09-15 19:47:08,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:47:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2357 transitions. [2018-09-15 19:47:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-15 19:47:08,352 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:47:08,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:08,355 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:47:08,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1294703450, now seen corresponding path program 1 times [2018-09-15 19:47:08,356 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:47:08,356 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-09-15 19:47:08,357 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], [2071], [2073], [2076], [2084], [2092], [2100], [2108], [2116], [2124], [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 19:47:08,368 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:47:08,368 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:47:16,631 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:47:16,631 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 19:47:16,640 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:47:18,350 INFO L232 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 75.79% of their original sizes. [2018-09-15 19:47:18,351 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:47:19,260 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:47:19,260 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:47:19,260 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:47:19,260 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:47:19,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:47:19,262 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:47:19,262 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:47:19,262 INFO L87 Difference]: Start difference. First operand 1604 states and 2357 transitions. Second operand 12 states. [2018-09-15 19:48:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:48:02,227 INFO L93 Difference]: Finished difference Result 3738 states and 6520 transitions. [2018-09-15 19:48:02,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-15 19:48:02,229 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2018-09-15 19:48:02,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:48:02,243 INFO L225 Difference]: With dead ends: 3738 [2018-09-15 19:48:02,244 INFO L226 Difference]: Without dead ends: 2908 [2018-09-15 19:48:02,248 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:48:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2018-09-15 19:48:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2406. [2018-09-15 19:48:02,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2406 states. [2018-09-15 19:48:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3172 transitions. [2018-09-15 19:48:02,325 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3172 transitions. Word has length 114 [2018-09-15 19:48:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:48:02,326 INFO L480 AbstractCegarLoop]: Abstraction has 2406 states and 3172 transitions. [2018-09-15 19:48:02,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:48:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3172 transitions. [2018-09-15 19:48:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-15 19:48:02,331 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:48:02,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:02,332 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:48:02,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1341949190, now seen corresponding path program 1 times [2018-09-15 19:48:02,332 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:48:02,332 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-15 19:48:02,333 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], [2071], [2073], [2076], [2084], [2092], [2100], [2108], [2116], [2124], [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 19:48:02,342 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:48:02,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:48:12,840 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:48:43,552 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:48:43,552 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 19:48:43,589 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:48:46,296 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 75.48% of their original sizes. [2018-09-15 19:48:46,297 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:48:46,972 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:48:46,973 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:48:46,973 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 19:48:46,973 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:48:46,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 19:48:46,974 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 19:48:46,974 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 19:48:46,975 INFO L87 Difference]: Start difference. First operand 2406 states and 3172 transitions. Second operand 13 states. [2018-09-15 19:49:30,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:49:30,557 INFO L93 Difference]: Finished difference Result 4009 states and 6272 transitions. [2018-09-15 19:49:30,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 19:49:30,558 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 184 [2018-09-15 19:49:30,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:49:30,576 INFO L225 Difference]: With dead ends: 4009 [2018-09-15 19:49:30,577 INFO L226 Difference]: Without dead ends: 3179 [2018-09-15 19:49:30,580 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 172 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 19:49:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2018-09-15 19:49:30,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3176. [2018-09-15 19:49:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2018-09-15 19:49:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 3958 transitions. [2018-09-15 19:49:30,668 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 3958 transitions. Word has length 184 [2018-09-15 19:49:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:49:30,670 INFO L480 AbstractCegarLoop]: Abstraction has 3176 states and 3958 transitions. [2018-09-15 19:49:30,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 19:49:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3958 transitions. [2018-09-15 19:49:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-15 19:49:30,676 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:49:30,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:30,677 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:49:30,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1714494002, now seen corresponding path program 1 times [2018-09-15 19:49:30,677 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:49:30,678 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-09-15 19:49:30,678 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], [2071], [2073], [2076], [2084], [2092], [2100], [2108], [2116], [2124], [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 19:49:30,685 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:49:30,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:49:41,340 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:50:28,242 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:50:28,243 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 19:50:28,248 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:50:31,668 INFO L232 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 75.47% of their original sizes. [2018-09-15 19:50:31,669 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:50:33,351 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:50:33,351 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:50:33,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-09-15 19:50:33,351 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:50:33,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-15 19:50:33,352 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-15 19:50:33,353 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2018-09-15 19:50:33,353 INFO L87 Difference]: Start difference. First operand 3176 states and 3958 transitions. Second operand 17 states. Received shutdown request... [2018-09-15 19:50:36,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-15 19:50:36,490 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:50:36,496 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:50:36,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:50:36 BoogieIcfgContainer [2018-09-15 19:50:36,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:50:36,497 INFO L168 Benchmark]: Toolchain (without parser) took 254459.37 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 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 486.9 MB. Max. memory is 7.1 GB. [2018-09-15 19:50:36,499 INFO L168 Benchmark]: CDTParser took 0.21 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 19:50:36,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2347.87 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 19:50:36,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 314.21 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 19:50:36,502 INFO L168 Benchmark]: Boogie Preprocessor took 998.04 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 922.2 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 19:50:36,503 INFO L168 Benchmark]: RCFGBuilder took 11613.83 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: 656.5 MB). Peak memory consumption was 656.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:50:36,504 INFO L168 Benchmark]: TraceAbstraction took 239177.60 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 3.7 GB in the end (delta: -2.0 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:50:36,509 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2347.87 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 314.21 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 998.04 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 922.2 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 11613.83 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: 656.5 MB). Peak memory consumption was 656.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239177.60 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 3.7 GB in the end (delta: -2.0 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 105). Cancelled while BasicCegarLoop was constructing difference of abstraction (3176states) and FLOYD_HOARE automaton (currently 8 states, 17 states before enhancement), while ReachableStatesComputation was computing reachable states (159 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 239.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 116.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2541 SDtfs, 8204 SDslu, 1217 SDs, 0 SdLazy, 26495 SolverSat, 2545 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 107.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 545 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3176occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 109.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9935885108481257 AbsIntWeakeningRatio, 0.15 AbsIntAvgWeakeningVarsNumRemoved, 56.71346153846154 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 507 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_label27_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-50-36-524.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label27_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-50-36-524.csv Completed graceful shutdown