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-invgen/id_build.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 17:44:04,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 17:44:04,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 17:44:04,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 17:44:04,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 17:44:04,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 17:44:04,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 17:44:04,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 17:44:04,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 17:44:04,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 17:44:04,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 17:44:04,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 17:44:04,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 17:44:04,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 17:44:04,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 17:44:04,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 17:44:04,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 17:44:04,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 17:44:04,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 17:44:04,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 17:44:04,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 17:44:04,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 17:44:04,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 17:44:04,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 17:44:04,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 17:44:04,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 17:44:04,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 17:44:04,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 17:44:04,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 17:44:04,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 17:44:04,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 17:44:04,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 17:44:04,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 17:44:04,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 17:44:04,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 17:44:04,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 17:44:04,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 17:44:04,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 17:44:04,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 17:44:04,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 17:44:04,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 17:44:04,438 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 17:44:04,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 17:44:04,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 17:44:04,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 17:44:04,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 17:44:04,466 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 17:44:04,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 17:44:04,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 17:44:04,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 17:44:04,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 17:44:04,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 17:44:04,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 17:44:04,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 17:44:04,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 17:44:04,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 17:44:04,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 17:44:04,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 17:44:04,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 17:44:04,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 17:44:04,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 17:44:04,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 17:44:04,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 17:44:04,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 17:44:04,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 17:44:04,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 17:44:04,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 17:44:04,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 17:44:04,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 17:44:04,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 17:44:04,471 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 17:44:04,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 17:44:04,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 17:44:04,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 17:44:04,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 17:44:04,536 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 17:44:04,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-03 17:44:04,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee475081c/2de4b48fb89d41e8ae6684fbb0b9f467/FLAG103b5a98b [2019-09-03 17:44:05,045 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 17:44:05,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-03 17:44:05,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee475081c/2de4b48fb89d41e8ae6684fbb0b9f467/FLAG103b5a98b [2019-09-03 17:44:05,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee475081c/2de4b48fb89d41e8ae6684fbb0b9f467 [2019-09-03 17:44:05,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 17:44:05,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 17:44:05,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 17:44:05,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 17:44:05,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 17:44:05,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2825a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05, skipping insertion in model container [2019-09-03 17:44:05,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,489 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 17:44:05,502 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 17:44:05,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:44:05,669 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 17:44:05,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:44:05,703 INFO L192 MainTranslator]: Completed translation [2019-09-03 17:44:05,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05 WrapperNode [2019-09-03 17:44:05,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 17:44:05,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 17:44:05,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 17:44:05,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 17:44:05,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (1/1) ... [2019-09-03 17:44:05,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 17:44:05,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 17:44:05,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 17:44:05,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 17:44:05,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:44:05" (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 17:44:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 17:44:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 17:44:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 17:44:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 17:44:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 17:44:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 17:44:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 17:44:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 17:44:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 17:44:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 17:44:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 17:44:06,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 17:44:06,071 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 17:44:06,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:44:06 BoogieIcfgContainer [2019-09-03 17:44:06,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 17:44:06,075 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 17:44:06,075 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 17:44:06,075 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 17:44:06,076 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:44:06" (1/1) ... [2019-09-03 17:44:06,077 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 17:44:06,144 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 17:44:06,145 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 17:44:06,153 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 17:44:06,164 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 17:44:06,166 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 17:44:06,235 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs