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/loop-lit/mcmillan2006.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 18:10:50,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 18:10:50,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 18:10:50,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 18:10:50,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 18:10:50,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 18:10:50,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 18:10:50,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 18:10:50,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 18:10:50,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 18:10:50,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 18:10:50,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 18:10:50,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 18:10:50,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 18:10:50,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 18:10:50,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 18:10:50,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 18:10:50,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 18:10:50,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 18:10:50,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 18:10:50,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 18:10:50,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 18:10:50,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 18:10:50,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 18:10:50,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 18:10:50,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 18:10:50,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 18:10:50,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 18:10:50,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 18:10:50,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 18:10:50,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 18:10:50,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 18:10:50,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 18:10:50,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 18:10:50,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 18:10:50,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 18:10:50,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 18:10:50,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 18:10:50,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 18:10:50,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 18:10:50,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 18:10:50,375 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 18:10:50,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 18:10:50,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 18:10:50,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 18:10:50,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 18:10:50,391 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 18:10:50,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 18:10:50,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 18:10:50,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 18:10:50,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 18:10:50,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 18:10:50,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 18:10:50,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 18:10:50,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 18:10:50,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 18:10:50,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 18:10:50,393 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 18:10:50,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 18:10:50,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 18:10:50,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 18:10:50,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 18:10:50,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 18:10:50,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 18:10:50,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 18:10:50,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 18:10:50,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 18:10:50,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 18:10:50,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 18:10:50,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 18:10:50,396 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 18:10:50,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 18:10:50,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 18:10:50,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 18:10:50,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 18:10:50,444 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 18:10:50,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/mcmillan2006.i [2019-09-03 18:10:50,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fee3482/d072c6cce7334df2b11b4a852ecf2187/FLAGaeff2c319 [2019-09-03 18:10:50,926 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 18:10:50,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/mcmillan2006.i [2019-09-03 18:10:50,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fee3482/d072c6cce7334df2b11b4a852ecf2187/FLAGaeff2c319 [2019-09-03 18:10:51,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fee3482/d072c6cce7334df2b11b4a852ecf2187 [2019-09-03 18:10:51,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 18:10:51,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 18:10:51,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 18:10:51,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 18:10:51,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 18:10:51,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c157ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51, skipping insertion in model container [2019-09-03 18:10:51,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 18:10:51,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 18:10:51,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 18:10:51,615 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 18:10:51,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 18:10:51,655 INFO L192 MainTranslator]: Completed translation [2019-09-03 18:10:51,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51 WrapperNode [2019-09-03 18:10:51,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 18:10:51,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 18:10:51,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 18:10:51,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 18:10:51,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (1/1) ... [2019-09-03 18:10:51,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 18:10:51,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 18:10:51,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 18:10:51,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 18:10:51,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 06:10:51" (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 18:10:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 18:10:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 18:10:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 18:10:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 18:10:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-03 18:10:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 18:10:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 18:10:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 18:10:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 18:10:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 18:10:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-03 18:10:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 18:10:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 18:10:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 18:10:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 18:10:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 18:10:52,082 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 18:10:52,083 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 18:10:52,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 06:10:52 BoogieIcfgContainer [2019-09-03 18:10:52,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 18:10:52,093 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 18:10:52,093 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 18:10:52,093 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 18:10:52,096 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 06:10:52" (1/1) ... [2019-09-03 18:10:52,096 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 18:10:52,146 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 18:10:52,146 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 18:10:52,158 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 18:10:52,170 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 18:10:52,172 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 18:10:52,256 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs