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/eca-rers2012/Problem11_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 23:08:44,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 23:08:44,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 23:08:44,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 23:08:44,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 23:08:44,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 23:08:44,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 23:08:44,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 23:08:44,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 23:08:44,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 23:08:44,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 23:08:44,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 23:08:44,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 23:08:44,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 23:08:44,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 23:08:44,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 23:08:44,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 23:08:44,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 23:08:44,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 23:08:44,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 23:08:44,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 23:08:44,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 23:08:44,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 23:08:44,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 23:08:44,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 23:08:44,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 23:08:44,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 23:08:44,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 23:08:44,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 23:08:44,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 23:08:44,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 23:08:44,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 23:08:44,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 23:08:44,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 23:08:44,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 23:08:44,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 23:08:44,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 23:08:44,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 23:08:44,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 23:08:44,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 23:08:44,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 23:08:44,598 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 [2019-09-05 23:08:44,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 23:08:44,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 23:08:44,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 23:08:44,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 23:08:44,614 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 23:08:44,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 23:08:44,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 23:08:44,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 23:08:44,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 23:08:44,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 23:08:44,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 23:08:44,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 23:08:44,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 23:08:44,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 23:08:44,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 23:08:44,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 23:08:44,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 23:08:44,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 23:08:44,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 23:08:44,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 23:08:44,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 23:08:44,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 23:08:44,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 23:08:44,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 23:08:44,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 23:08:44,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 23:08:44,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 23:08:44,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 23:08:44,622 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 [2019-09-05 23:08:44,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 23:08:44,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 23:08:44,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 23:08:44,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 23:08:44,676 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 23:08:44,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2019-09-05 23:08:44,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3d99d96/8f2f5049779d413b9bfc8df30cfdc8a9/FLAGa13f90033 [2019-09-05 23:08:45,430 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 23:08:45,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2019-09-05 23:08:45,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3d99d96/8f2f5049779d413b9bfc8df30cfdc8a9/FLAGa13f90033 [2019-09-05 23:08:45,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3d99d96/8f2f5049779d413b9bfc8df30cfdc8a9 [2019-09-05 23:08:45,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 23:08:45,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 23:08:45,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 23:08:45,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 23:08:45,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 23:08:45,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:08:45" (1/1) ... [2019-09-05 23:08:45,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca0bd79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:45, skipping insertion in model container [2019-09-05 23:08:45,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:08:45" (1/1) ... [2019-09-05 23:08:45,755 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 23:08:45,815 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 23:08:46,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 23:08:46,506 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 23:08:46,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 23:08:46,820 INFO L192 MainTranslator]: Completed translation [2019-09-05 23:08:46,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46 WrapperNode [2019-09-05 23:08:46,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 23:08:46,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 23:08:46,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 23:08:46,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 23:08:46,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:46,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:46,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:46,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:46,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:46,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:46,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (1/1) ... [2019-09-05 23:08:47,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 23:08:47,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 23:08:47,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 23:08:47,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 23:08:47,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:08:46" (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 [2019-09-05 23:08:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 23:08:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 23:08:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 23:08:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 23:08:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 23:08:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 23:08:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 23:08:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 23:08:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 23:08:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 23:08:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 23:08:49,036 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 23:08:49,037 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 23:08:49,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:08:49 BoogieIcfgContainer [2019-09-05 23:08:49,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 23:08:49,043 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 23:08:49,044 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 23:08:49,044 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 23:08:49,046 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:08:49" (1/1) ... [2019-09-05 23:08:49,047 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 [2019-09-05 23:08:49,100 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 23:08:49,101 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 23:08:49,116 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 23:08:49,127 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 23:08:49,129 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 23:08:49,223 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 55 for LOIs [2019-09-05 23:10:47,665 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 17739 conjuctions. This might take some time... [2019-09-05 23:14:20,669 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15228 conjuctions. This might take some time... [2019-09-05 23:19:48,362 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7128 conjuctions. This might take some time...