/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/loop-lit/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:31:21,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:31:21,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:31:21,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:31:21,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:31:21,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:31:21,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:31:21,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:31:21,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:31:21,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:31:21,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:31:21,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:31:21,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:31:21,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:31:21,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:31:21,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:31:21,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:31:21,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:31:21,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:31:21,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:31:21,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:31:21,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:31:21,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:31:21,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:31:21,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:31:21,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:31:21,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:31:21,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:31:21,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:31:21,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:31:21,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:31:21,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:31:21,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:31:21,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:31:21,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:31:21,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:31:21,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:31:21,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:31:21,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:31:21,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:31:21,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:31:21,477 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 16:31:21,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:31:21,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:31:21,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:31:21,507 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:31:21,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:31:21,507 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:31:21,507 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:31:21,507 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:31:21,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:31:21,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:31:21,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:31:21,508 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:31:21,508 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:31:21,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:31:21,509 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:31:21,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:31:21,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:31:21,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:31:21,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:31:21,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:31:21,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:31:21,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:31:21,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:31:21,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:31:21,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:31:21,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:31:21,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:31:21,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:31:21,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:31:21,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:31:21,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:31:21,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:31:21,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:31:21,515 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:31:21,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:31:21,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:31:21,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:31:21,516 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:31:21,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:31:21,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:31:21,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:31:21,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:31:21,832 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:31:21,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-11-24 16:31:21,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd7b1073/045585aa645543d2850ab879cc11a0fa/FLAG73c71dc8c [2019-11-24 16:31:22,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:31:22,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-11-24 16:31:22,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd7b1073/045585aa645543d2850ab879cc11a0fa/FLAG73c71dc8c [2019-11-24 16:31:22,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd7b1073/045585aa645543d2850ab879cc11a0fa [2019-11-24 16:31:22,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:31:22,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:31:22,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:31:22,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:31:22,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:31:22,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:31:22" (1/1) ... [2019-11-24 16:31:22,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdc5e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:22, skipping insertion in model container [2019-11-24 16:31:22,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:31:22" (1/1) ... [2019-11-24 16:31:22,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:31:22,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:31:23,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:31:23,015 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:31:23,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:31:23,046 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:31:23,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23 WrapperNode [2019-11-24 16:31:23,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:31:23,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:31:23,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:31:23,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:31:23,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:31:23,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:31:23,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:31:23,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:31:23,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:31:23,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:31:23,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:31:23,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:31:23,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:31:23" (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 16:31:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:31:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:31:23,649 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:31:23,650 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:31:23,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:31:23 BoogieIcfgContainer [2019-11-24 16:31:23,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:31:23,652 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:31:23,652 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:31:23,652 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:31:23,653 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:31:23" (1/1) ... [2019-11-24 16:31:23,654 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 16:31:23,677 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:31:23,677 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:31:23,688 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:31:23,699 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:31:23,701 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:31:24,031 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 107 [2019-11-24 16:31:24,175 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2019-11-24 16:31:24,418 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 319 [2019-11-24 16:31:24,683 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 318 [2019-11-24 16:31:25,643 WARN L192 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 1005 [2019-11-24 16:31:26,421 WARN L192 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 962 [2019-11-24 16:31:30,134 WARN L192 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 3067 DAG size of output: 2981 [2019-11-24 16:31:35,002 WARN L192 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2852 DAG size of output: 2818 [2019-11-24 16:32:00,925 WARN L192 SmtUtils]: Spent 25.22 s on a formula simplification. DAG size of input: 8943 DAG size of output: 8854 [2019-11-24 16:32:13,234 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7150 conjuctions. This might take some time... [2019-11-24 16:32:22,440 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14284 conjuctions. This might take some time...