java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loops/heavy-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 16:09:55,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 16:09:55,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 16:09:55,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 16:09:55,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 16:09:55,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 16:09:55,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 16:09:55,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 16:09:55,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 16:09:55,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 16:09:55,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 16:09:55,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 16:09:55,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 16:09:55,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 16:09:55,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 16:09:55,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 16:09:55,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 16:09:55,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 16:09:55,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 16:09:55,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 16:09:55,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 16:09:55,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 16:09:55,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 16:09:55,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 16:09:55,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 16:09:55,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 16:09:55,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 16:09:55,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 16:09:55,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 16:09:55,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 16:09:55,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 16:09:55,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 16:09:55,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 16:09:55,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 16:09:55,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 16:09:55,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 16:09:55,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 16:09:55,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 16:09:55,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 16:09:55,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 16:09:55,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 16:09:55,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-03 16:09:55,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 16:09:55,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 16:09:55,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 16:09:55,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 16:09:55,336 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 16:09:55,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 16:09:55,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 16:09:55,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 16:09:55,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 16:09:55,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 16:09:55,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 16:09:55,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 16:09:55,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 16:09:55,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 16:09:55,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 16:09:55,340 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 16:09:55,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 16:09:55,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 16:09:55,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 16:09:55,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 16:09:55,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 16:09:55,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 16:09:55,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 16:09:55,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 16:09:55,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 16:09:55,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 16:09:55,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 16:09:55,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 16:09:55,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-03 16:09:55,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 16:09:55,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 16:09:55,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 16:09:55,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 16:09:55,429 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 16:09:55,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/heavy-2.c [2019-09-03 16:09:55,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54469289b/50dd3c4c974346bb8c8cc5d91f0fd0ef/FLAGf575ddd18 [2019-09-03 16:09:55,984 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 16:09:55,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/heavy-2.c [2019-09-03 16:09:55,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54469289b/50dd3c4c974346bb8c8cc5d91f0fd0ef/FLAGf575ddd18 [2019-09-03 16:09:56,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54469289b/50dd3c4c974346bb8c8cc5d91f0fd0ef [2019-09-03 16:09:56,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 16:09:56,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 16:09:56,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 16:09:56,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 16:09:56,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 16:09:56,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d752d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56, skipping insertion in model container [2019-09-03 16:09:56,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 16:09:56,393 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 16:09:56,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 16:09:56,727 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 16:09:56,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 16:09:56,908 INFO L192 MainTranslator]: Completed translation [2019-09-03 16:09:56,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56 WrapperNode [2019-09-03 16:09:56,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 16:09:56,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 16:09:56,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 16:09:56,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 16:09:56,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (1/1) ... [2019-09-03 16:09:56,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 16:09:56,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 16:09:56,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 16:09:56,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 16:09:56,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:09:56" (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 [2019-09-03 16:09:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 16:09:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 16:09:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 16:09:57,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-03 16:09:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 16:09:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 16:09:57,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 16:09:57,290 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-03 16:09:57,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 04:09:57 BoogieIcfgContainer [2019-09-03 16:09:57,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 16:09:57,293 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 16:09:57,302 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 16:09:57,303 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 16:09:57,308 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 04:09:57" (1/1) ... [2019-09-03 16:09:57,312 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-03 16:09:57,389 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 16:09:57,390 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 16:09:57,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 16:09:57,409 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 16:09:57,411 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 16:09:57,492 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 14 for LOIs