/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-acceleration/array_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:19:06,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:19:06,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:19:06,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:19:06,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:19:06,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:19:06,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:19:06,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:19:06,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:19:06,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:19:06,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:19:06,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:19:06,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:19:06,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:19:06,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:19:06,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:19:06,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:19:06,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:19:06,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:19:06,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:19:06,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:19:06,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:19:06,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:19:06,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:19:06,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:19:06,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:19:06,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:19:06,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:19:06,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:19:06,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:19:06,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:19:06,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:19:06,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:19:06,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:19:06,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:19:06,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:19:06,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:19:06,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:19:06,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:19:06,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:19:06,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:19:06,758 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 16:19:06,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:19:06,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:19:06,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:19:06,783 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:19:06,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:19:06,783 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:19:06,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:19:06,784 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:19:06,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:19:06,784 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:19:06,785 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:19:06,785 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:19:06,786 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:19:06,786 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:19:06,786 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:19:06,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:19:06,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:19:06,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:19:06,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:19:06,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:19:06,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:19:06,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:19:06,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:19:06,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:19:06,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:19:06,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:19:06,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:19:06,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:19:06,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:19:06,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:19:06,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:19:06,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:19:06,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:19:06,793 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:19:06,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:19:06,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:19:06,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:19:06,794 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:19:07,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:19:07,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:19:07,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:19:07,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:19:07,108 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:19:07,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_1-1.c [2019-11-24 16:19:07,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb681d577/6426fe91c7b84a06a304215848478a98/FLAG1ca046322 [2019-11-24 16:19:07,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:19:07,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_1-1.c [2019-11-24 16:19:07,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb681d577/6426fe91c7b84a06a304215848478a98/FLAG1ca046322 [2019-11-24 16:19:08,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb681d577/6426fe91c7b84a06a304215848478a98 [2019-11-24 16:19:08,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:19:08,042 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:19:08,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:19:08,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:19:08,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:19:08,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d626e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08, skipping insertion in model container [2019-11-24 16:19:08,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:19:08,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:19:08,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:19:08,256 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:19:08,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:19:08,296 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:19:08,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08 WrapperNode [2019-11-24 16:19:08,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:19:08,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:19:08,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:19:08,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:19:08,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:19:08,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:19:08,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:19:08,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:19:08,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:19:08,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:19:08,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:19:08,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:19:08,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:19:08" (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 16:19:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:19:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:19:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:19:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:19:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:19:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:19:08,723 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:19:08,723 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:19:08,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:19:08 BoogieIcfgContainer [2019-11-24 16:19:08,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:19:08,725 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:19:08,725 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:19:08,725 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:19:08,726 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:19:08" (1/1) ... [2019-11-24 16:19:08,727 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 16:19:08,753 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:19:08,754 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:19:08,760 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:19:08,771 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:19:08,773 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:19:40,035 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 240 [2019-11-24 16:19:45,056 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-11-24 16:19:45,176 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2019-11-24 16:20:07,844 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-11-24 16:20:08,136 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 294 [2019-11-24 16:20:28,478 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2019-11-24 16:20:31,051 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2019-11-24 16:20:33,527 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 332 [2019-11-24 16:20:36,298 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2019-11-24 16:20:38,883 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 342 [2019-11-24 16:20:41,275 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 347 [2019-11-24 16:20:41,383 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 347