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/Problem19_label49_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 20:58:58,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 20:58:58,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 20:58:58,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 20:58:58,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 20:58:58,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 20:58:58,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 20:58:58,752 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 20:58:58,754 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 20:58:58,755 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 20:58:58,756 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 20:58:58,756 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 20:58:58,757 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 20:58:58,758 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 20:58:58,759 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 20:58:58,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 20:58:58,761 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 20:58:58,763 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 20:58:58,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 20:58:58,767 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 20:58:58,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 20:58:58,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 20:58:58,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 20:58:58,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 20:58:58,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 20:58:58,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 20:58:58,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 20:58:58,776 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 20:58:58,777 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 20:58:58,778 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 20:58:58,778 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 20:58:58,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 20:58:58,779 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 20:58:58,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 20:58:58,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 20:58:58,784 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 20:58:58,784 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 20:58:58,801 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 20:58:58,802 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 20:58:58,803 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 20:58:58,803 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 20:58:58,803 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 20:58:58,803 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 20:58:58,803 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 20:58:58,804 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 20:58:58,804 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 20:58:58,804 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 20:58:58,804 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 20:58:58,804 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 20:58:58,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 20:58:58,805 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 20:58:58,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 20:58:58,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 20:58:58,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 20:58:58,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 20:58:58,806 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 20:58:58,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 20:58:58,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 20:58:58,807 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 20:58:58,807 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 20:58:58,807 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 20:58:58,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 20:58:58,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 20:58:58,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 20:58:58,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 20:58:58,808 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 20:58:58,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 20:58:58,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 20:58:58,809 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 20:58:58,809 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 20:58:58,809 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 20:58:58,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 20:58:58,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 20:58:58,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 20:58:58,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 20:58:58,877 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 20:58:58,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label49_true-unreach-call.c [2018-09-15 20:58:59,239 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/007208215/2d1ed4d40b274552a601c282d777efff/FLAG514dd5af6 [2018-09-15 20:58:59,883 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 20:58:59,885 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label49_true-unreach-call.c [2018-09-15 20:58:59,944 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/007208215/2d1ed4d40b274552a601c282d777efff/FLAG514dd5af6 [2018-09-15 20:58:59,965 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/007208215/2d1ed4d40b274552a601c282d777efff [2018-09-15 20:58:59,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 20:58:59,984 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 20:58:59,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 20:58:59,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 20:58:59,997 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 20:58:59,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:58:59" (1/1) ... [2018-09-15 20:59:00,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d288cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:58:59, skipping insertion in model container [2018-09-15 20:59:00,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:58:59" (1/1) ... [2018-09-15 20:59:00,016 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 20:59:02,084 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:59:02,107 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 20:59:03,197 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 20:59:03,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03 WrapperNode [2018-09-15 20:59:03,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 20:59:03,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 20:59:03,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 20:59:03,840 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 20:59:03,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:04,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:04,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 20:59:04,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 20:59:04,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 20:59:04,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 20:59:05,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:05,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:05,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:05,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:05,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:05,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:05,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (1/1) ... [2018-09-15 20:59:06,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 20:59:06,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 20:59:06,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 20:59:06,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 20:59:06,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (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 20:59:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 20:59:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 20:59:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-15 20:59:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-15 20:59:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-15 20:59:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-15 20:59:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 20:59:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 20:59:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 20:59:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 20:59:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 20:59:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 20:59:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 20:59:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 20:59:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 20:59:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 20:59:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 20:59:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 20:59:24,071 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 20:59:24,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:59:24 BoogieIcfgContainer [2018-09-15 20:59:24,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 20:59:24,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 20:59:24,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 20:59:24,076 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 20:59:24,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 08:58:59" (1/3) ... [2018-09-15 20:59:24,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fae08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:59:24, skipping insertion in model container [2018-09-15 20:59:24,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:59:03" (2/3) ... [2018-09-15 20:59:24,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fae08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 08:59:24, skipping insertion in model container [2018-09-15 20:59:24,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:59:24" (3/3) ... [2018-09-15 20:59:24,080 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label49_true-unreach-call.c [2018-09-15 20:59:24,088 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 20:59:24,098 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 20:59:24,173 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 20:59:24,174 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 20:59:24,174 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 20:59:24,174 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 20:59:24,174 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 20:59:24,174 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 20:59:24,174 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 20:59:24,175 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 20:59:24,175 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 20:59:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-15 20:59:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-15 20:59:24,253 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 20:59:24,254 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] [2018-09-15 20:59:24,255 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 20:59:24,261 INFO L82 PathProgramCache]: Analyzing trace with hash 607797826, now seen corresponding path program 1 times [2018-09-15 20:59:24,263 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 20:59:24,265 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 50 with the following transitions: [2018-09-15 20:59:24,267 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5518], [5520], [6806], [6810], [6816], [6820], [6837], [6838], [6839], [6841] [2018-09-15 20:59:24,340 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 20:59:24,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 20:59:26,571 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 20:59:26,572 INFO L272 AbstractInterpreter]: Visited 48 different actions 48 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 20:59:26,587 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 20:59:27,650 INFO L232 lantSequenceWeakener]: Weakened 47 states. On average, predicates are now at 77.67% of their original sizes. [2018-09-15 20:59:27,651 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 20:59:27,986 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 20:59:27,988 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 20:59:27,988 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 20:59:27,989 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 20:59:27,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 20:59:28,001 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 20:59:28,002 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 20:59:28,005 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 6 states. [2018-09-15 21:00:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 21:00:22,837 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-15 21:00:22,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 21:00:22,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-09-15 21:00:22,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 21:00:22,893 INFO L225 Difference]: With dead ends: 4946 [2018-09-15 21:00:22,893 INFO L226 Difference]: Without dead ends: 3166 [2018-09-15 21:00:22,906 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 48 GetRequests, 44 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 21:00:22,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-15 21:00:23,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-15 21:00:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-15 21:00:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-15 21:00:23,125 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 49 [2018-09-15 21:00:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 21:00:23,126 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-15 21:00:23,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 21:00:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-15 21:00:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-09-15 21:00:23,137 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 21:00:23,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:00:23,138 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 21:00:23,138 INFO L82 PathProgramCache]: Analyzing trace with hash -166043294, now seen corresponding path program 1 times [2018-09-15 21:00:23,138 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 21:00:23,139 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-09-15 21:00:23,140 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5518], [5520], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6560], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-09-15 21:00:23,167 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 21:00:23,168 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 21:01:10,981 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 21:01:10,981 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 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 21:01:10,990 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 21:01:17,389 INFO L232 lantSequenceWeakener]: Weakened 287 states. On average, predicates are now at 75.47% of their original sizes. [2018-09-15 21:01:17,390 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 21:01:19,065 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 21:01:19,065 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 21:01:19,065 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 21:01:19,066 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 21:01:19,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 21:01:19,068 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 21:01:19,068 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2018-09-15 21:01:19,068 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 16 states. Received shutdown request... [2018-09-15 21:03:15,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 21:03:15,204 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 21:03:15,209 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 21:03:15,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 09:03:15 BoogieIcfgContainer [2018-09-15 21:03:15,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 21:03:15,210 INFO L168 Benchmark]: Toolchain (without parser) took 255229.31 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -600.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-15 21:03:15,212 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 21:03:15,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3852.52 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 201.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -120.4 MB). Peak memory consumption was 492.5 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:15,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.68 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:15,220 INFO L168 Benchmark]: Boogie Preprocessor took 1859.27 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 839.9 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -861.1 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. [2018-09-15 21:03:15,221 INFO L168 Benchmark]: RCFGBuilder took 18067.32 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 277.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 121.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-15 21:03:15,222 INFO L168 Benchmark]: TraceAbstraction took 231136.45 ms. Allocated memory was 2.8 GB in the beginning and 4.1 GB in the end (delta: 1.2 GB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-15 21:03:15,227 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 3852.52 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 201.9 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -120.4 MB). Peak memory consumption was 492.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 305.68 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 62.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1859.27 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 839.9 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -861.1 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18067.32 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 277.3 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 121.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 231136.45 ms. Allocated memory was 2.8 GB in the beginning and 4.1 GB in the end (delta: 1.2 GB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 196.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 142). Cancelled while BasicCegarLoop was constructing difference of abstraction (3164states) and FLOYD_HOARE automaton (currently 20 states, 16 states before enhancement), while ReachableStatesComputation was computing reachable states (8919 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 231.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 171.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3473 SDtfs, 12823 SDslu, 1997 SDs, 0 SdLazy, 34253 SolverSat, 5268 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 159.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 347 GetRequests, 312 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3164occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 50.1s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.995379655067155 AbsIntWeakeningRatio, 0.10714285714285714 AbsIntAvgWeakeningVarsNumRemoved, 35.148809523809526 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 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/Problem19_label49_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_21-03-15-245.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label49_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_21-03-15-245.csv Completed graceful shutdown