/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem04_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:24:18,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:24:18,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:24:18,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:24:18,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:24:18,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:24:18,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:24:18,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:24:18,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:24:18,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:24:18,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:24:18,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:24:18,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:24:18,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:24:18,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:24:18,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:24:18,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:24:18,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:24:18,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:24:18,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:24:18,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:24:18,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:24:18,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:24:18,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:24:18,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:24:18,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:24:18,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:24:18,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:24:18,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:24:18,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:24:18,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:24:18,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:24:18,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:24:18,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:24:18,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:24:18,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:24:18,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:24:18,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:24:18,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:24:18,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:24:18,579 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:24:18,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:24:18,579 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:24:18,580 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:24:18,580 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:24:18,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:24:18,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:24:18,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:24:18,580 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:24:18,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:24:18,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:24:18,581 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:24:18,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:24:18,582 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:24:18,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:24:18,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:24:18,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:24:18,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:24:18,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:24:18,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:24:18,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:24:18,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:24:18,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:24:18,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:24:18,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:24:18,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:24:18,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:24:18,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:24:18,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:24:18,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:24:18,587 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:24:18,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:24:18,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:24:18,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:24:18,588 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:24:18,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:24:18,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:24:18,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:24:18,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:24:18,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:24:18,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label23.c [2019-11-24 10:24:18,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf902700/b28ee80ab8e144d0a9742eb543a39c8c/FLAGe53c49ffe [2019-11-24 10:24:19,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:24:19,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label23.c [2019-11-24 10:24:19,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf902700/b28ee80ab8e144d0a9742eb543a39c8c/FLAGe53c49ffe [2019-11-24 10:24:20,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf902700/b28ee80ab8e144d0a9742eb543a39c8c [2019-11-24 10:24:20,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:24:20,373 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:24:20,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:24:20,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:24:20,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:24:20,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:20" (1/1) ... [2019-11-24 10:24:20,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9ac29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:20, skipping insertion in model container [2019-11-24 10:24:20,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:24:20" (1/1) ... [2019-11-24 10:24:20,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:24:20,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:24:22,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:24:22,140 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:24:22,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:24:22,802 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:24:22,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22 WrapperNode [2019-11-24 10:24:22,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:24:22,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:24:22,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:24:22,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:24:22,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:22,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:24:23,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:24:23,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:24:23,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:24:23,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (1/1) ... [2019-11-24 10:24:23,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:24:23,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:24:23,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:24:23,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:24:23,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:24:22" (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 [2019-11-24 10:24:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:24:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:24:28,629 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:24:28,630 INFO L284 CfgBuilder]: Removed 13 assume(true) statements. [2019-11-24 10:24:28,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:24:28 BoogieIcfgContainer [2019-11-24 10:24:28,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:24:28,632 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:24:28,632 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:24:28,632 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:24:28,634 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:24:28" (1/1) ... [2019-11-24 10:24:28,634 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:24:28,658 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:24:28,659 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:24:28,673 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:24:28,680 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:24:28,682 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs