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_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 15:18:03,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 15:18:03,980 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 15:18:03,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 15:18:03,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 15:18:04,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 15:18:04,002 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 15:18:04,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 15:18:04,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 15:18:04,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 15:18:04,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 15:18:04,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 15:18:04,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 15:18:04,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 15:18:04,023 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 15:18:04,023 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 15:18:04,024 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 15:18:04,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 15:18:04,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 15:18:04,038 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 15:18:04,039 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 15:18:04,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 15:18:04,044 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 15:18:04,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 15:18:04,046 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 15:18:04,047 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 15:18:04,048 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 15:18:04,049 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 15:18:04,050 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 15:18:04,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 15:18:04,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 15:18:04,057 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 15:18:04,057 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 15:18:04,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 15:18:04,058 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 15:18:04,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 15:18:04,059 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-15 15:18:04,090 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 15:18:04,091 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 15:18:04,093 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 15:18:04,093 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 15:18:04,096 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 15:18:04,096 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 15:18:04,096 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 15:18:04,097 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 15:18:04,097 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 15:18:04,097 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-15 15:18:04,097 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 15:18:04,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 15:18:04,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 15:18:04,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 15:18:04,100 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 15:18:04,100 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 15:18:04,100 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 15:18:04,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 15:18:04,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 15:18:04,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 15:18:04,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 15:18:04,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 15:18:04,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 15:18:04,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 15:18:04,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 15:18:04,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 15:18:04,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 15:18:04,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 15:18:04,104 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 15:18:04,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 15:18:04,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 15:18:04,104 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 15:18:04,104 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 15:18:04,104 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 15:18:04,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 15:18:04,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 15:18:04,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 15:18:04,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 15:18:04,210 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 15:18:04,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-09-15 15:18:04,551 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4c70262/4369ec715704495c9b37afa5180bd52f/FLAG5a3a4692f [2018-09-15 15:18:04,911 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 15:18:04,912 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-09-15 15:18:04,938 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4c70262/4369ec715704495c9b37afa5180bd52f/FLAG5a3a4692f [2018-09-15 15:18:04,961 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4c70262/4369ec715704495c9b37afa5180bd52f [2018-09-15 15:18:04,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 15:18:04,977 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 15:18:04,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 15:18:04,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 15:18:04,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 15:18:04,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 03:18:04" (1/1) ... [2018-09-15 15:18:04,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674df799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:04, skipping insertion in model container [2018-09-15 15:18:04,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 03:18:04" (1/1) ... [2018-09-15 15:18:05,005 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 15:18:05,842 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 15:18:05,863 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 15:18:06,373 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 15:18:06,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06 WrapperNode [2018-09-15 15:18:06,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 15:18:06,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 15:18:06,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 15:18:06,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 15:18:06,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:06,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 15:18:07,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 15:18:07,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 15:18:07,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 15:18:07,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (1/1) ... [2018-09-15 15:18:07,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 15:18:07,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 15:18:07,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 15:18:07,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 15:18:07,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (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 15:18:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 15:18:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 15:18:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 15:18:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 15:18:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 15:18:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 15:18:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 15:18:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 15:18:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 15:18:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 15:18:14,938 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 15:18:14,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 03:18:14 BoogieIcfgContainer [2018-09-15 15:18:14,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 15:18:14,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 15:18:14,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 15:18:14,943 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 15:18:14,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 03:18:04" (1/3) ... [2018-09-15 15:18:14,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429f3f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 03:18:14, skipping insertion in model container [2018-09-15 15:18:14,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 03:18:06" (2/3) ... [2018-09-15 15:18:14,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429f3f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 03:18:14, skipping insertion in model container [2018-09-15 15:18:14,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 03:18:14" (3/3) ... [2018-09-15 15:18:14,947 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label40_true-unreach-call.c [2018-09-15 15:18:14,957 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 15:18:14,966 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 15:18:15,021 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 15:18:15,022 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 15:18:15,022 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 15:18:15,022 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 15:18:15,022 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 15:18:15,022 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 15:18:15,022 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 15:18:15,023 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 15:18:15,023 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 15:18:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-09-15 15:18:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-15 15:18:15,066 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:18:15,067 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 15:18:15,068 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:18:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2071799652, now seen corresponding path program 1 times [2018-09-15 15:18:15,076 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:18:15,077 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 71 with the following transitions: [2018-09-15 15:18:15,080 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [1556], [1560], [1566], [1570], [1579], [1580], [1581], [1583] [2018-09-15 15:18:15,121 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 15:18:15,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:18:16,507 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:18:16,509 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 15:18:16,560 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:18:17,482 INFO L232 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 80.57% of their original sizes. [2018-09-15 15:18:17,483 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:18:17,737 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:18:17,739 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:18:17,739 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 15:18:17,740 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:18:17,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 15:18:17,754 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 15:18:17,754 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 15:18:17,758 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-09-15 15:18:24,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:18:24,741 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-09-15 15:18:24,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 15:18:24,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-09-15 15:18:24,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:18:24,772 INFO L225 Difference]: With dead ends: 1158 [2018-09-15 15:18:24,773 INFO L226 Difference]: Without dead ends: 746 [2018-09-15 15:18:24,784 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 69 GetRequests, 65 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 15:18:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-15 15:18:24,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-09-15 15:18:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-09-15 15:18:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-09-15 15:18:24,889 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 70 [2018-09-15 15:18:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:18:24,890 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-09-15 15:18:24,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 15:18:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-09-15 15:18:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-15 15:18:24,900 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:18:24,900 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 15:18:24,901 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:18:24,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1855871366, now seen corresponding path program 1 times [2018-09-15 15:18:24,901 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:18:24,902 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-09-15 15:18:24,902 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 15:18:24,910 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 15:18:24,910 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:18:30,063 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 15:18:34,344 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:18:34,345 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 15:18:34,352 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 15:18:40,225 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 78.74% of their original sizes. [2018-09-15 15:18:40,226 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:18:40,427 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 15:18:40,427 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 15:18:40,428 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 15:18:40,428 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 15:18:40,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 15:18:40,429 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 15:18:40,429 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 15:18:40,430 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-09-15 15:18:53,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 15:18:53,376 INFO L93 Difference]: Finished difference Result 1826 states and 3140 transitions. [2018-09-15 15:18:53,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 15:18:53,380 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 162 [2018-09-15 15:18:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 15:18:53,391 INFO L225 Difference]: With dead ends: 1826 [2018-09-15 15:18:53,392 INFO L226 Difference]: Without dead ends: 1426 [2018-09-15 15:18:53,396 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 15:18:53,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-09-15 15:18:53,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1423. [2018-09-15 15:18:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2018-09-15 15:18:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1772 transitions. [2018-09-15 15:18:53,482 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1772 transitions. Word has length 162 [2018-09-15 15:18:53,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 15:18:53,483 INFO L480 AbstractCegarLoop]: Abstraction has 1423 states and 1772 transitions. [2018-09-15 15:18:53,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 15:18:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1772 transitions. [2018-09-15 15:18:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-09-15 15:18:53,489 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 15:18:53,490 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 15:18:53,490 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 15:18:53,491 INFO L82 PathProgramCache]: Analyzing trace with hash 2097089662, now seen corresponding path program 1 times [2018-09-15 15:18:53,491 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 15:18:53,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-09-15 15:18:53,492 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 15:18:53,500 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 15:18:53,501 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 15:19:57,839 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 15:21:01,036 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 15:21:01,036 INFO L272 AbstractInterpreter]: Visited 135 different actions 263 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 15:21:01,045 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 15:22:07,688 INFO L232 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 78.47% of their original sizes. [2018-09-15 15:22:07,688 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 15:22:07,718 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 15:22:07,723 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 15:22:07,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 03:22:07 BoogieIcfgContainer [2018-09-15 15:22:07,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 15:22:07,726 INFO L168 Benchmark]: Toolchain (without parser) took 242751.42 ms. Allocated memory was 1.5 GB in the beginning and 5.5 GB in the end (delta: 3.9 GB). Free memory was 1.4 GB in the beginning and 5.0 GB in the end (delta: -3.5 GB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB. [2018-09-15 15:22:07,729 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 15:22:07,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1563.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-09-15 15:22:07,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 686.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -903.9 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2018-09-15 15:22:07,732 INFO L168 Benchmark]: Boogie Preprocessor took 377.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2018-09-15 15:22:07,733 INFO L168 Benchmark]: RCFGBuilder took 7330.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 250.2 MB). Peak memory consumption was 250.2 MB. Max. memory is 7.1 GB. [2018-09-15 15:22:07,733 INFO L168 Benchmark]: TraceAbstraction took 232784.64 ms. Allocated memory was 2.3 GB in the beginning and 5.5 GB in the end (delta: 3.1 GB). Free memory was 2.0 GB in the beginning and 5.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 160.7 MB. Max. memory is 7.1 GB. [2018-09-15 15:22:07,739 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 1563.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 686.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 794.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -903.9 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 377.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7330.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 250.2 MB). Peak memory consumption was 250.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232784.64 ms. Allocated memory was 2.3 GB in the beginning and 5.5 GB in the end (delta: 3.1 GB). Free memory was 2.0 GB in the beginning and 5.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 160.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 196]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 196). Cancelled while BasicCegarLoop was analyzing trace of length 199 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 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 232.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 20.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 809 SDtfs, 2012 SDslu, 711 SDs, 0 SdLazy, 7285 SolverSat, 932 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 237 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1423occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 138.4s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9974013411494319 AbsIntWeakeningRatio, 0.12646370023419204 AbsIntAvgWeakeningVarsNumRemoved, 7.840749414519906 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label40_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_15-22-07-757.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label40_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_15-22-07-757.csv Completed graceful shutdown