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/Problem13_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 00:58:30,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 00:58:30,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 00:58:30,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 00:58:30,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 00:58:30,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 00:58:30,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 00:58:30,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 00:58:30,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 00:58:30,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 00:58:30,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 00:58:30,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 00:58:30,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 00:58:30,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 00:58:30,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 00:58:30,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 00:58:30,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 00:58:30,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 00:58:30,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 00:58:30,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 00:58:30,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 00:58:30,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 00:58:30,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 00:58:30,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 00:58:30,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 00:58:30,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 00:58:30,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 00:58:30,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 00:58:30,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 00:58:30,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 00:58:30,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 00:58:30,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 00:58:30,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 00:58:30,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 00:58:30,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 00:58:30,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 00:58:30,752 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 [2019-09-06 00:58:30,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 00:58:30,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 00:58:30,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 00:58:30,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 00:58:30,769 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 00:58:30,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 00:58:30,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 00:58:30,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 00:58:30,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 00:58:30,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 00:58:30,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 00:58:30,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 00:58:30,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 00:58:30,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 00:58:30,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 00:58:30,771 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 00:58:30,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 00:58:30,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 00:58:30,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 00:58:30,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 00:58:30,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 00:58:30,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 00:58:30,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 00:58:30,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 00:58:30,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 00:58:30,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 00:58:30,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 00:58:30,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 00:58:30,773 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 [2019-09-06 00:58:30,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 00:58:30,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 00:58:30,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 00:58:30,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 00:58:30,827 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 00:58:30,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label41.c [2019-09-06 00:58:30,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d10314ad/bc1f442c7f0642aea01cb701b3ae89ea/FLAG6343ef686 [2019-09-06 00:58:31,672 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 00:58:31,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label41.c [2019-09-06 00:58:31,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d10314ad/bc1f442c7f0642aea01cb701b3ae89ea/FLAG6343ef686 [2019-09-06 00:58:32,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d10314ad/bc1f442c7f0642aea01cb701b3ae89ea [2019-09-06 00:58:32,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 00:58:32,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 00:58:32,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 00:58:32,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 00:58:32,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 00:58:32,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:58:32" (1/1) ... [2019-09-06 00:58:32,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a823ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:32, skipping insertion in model container [2019-09-06 00:58:32,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:58:32" (1/1) ... [2019-09-06 00:58:32,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 00:58:32,364 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 00:58:34,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 00:58:34,110 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 00:58:34,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 00:58:34,940 INFO L192 MainTranslator]: Completed translation [2019-09-06 00:58:34,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34 WrapperNode [2019-09-06 00:58:34,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 00:58:34,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 00:58:34,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 00:58:34,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 00:58:34,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:34,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:35,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:35,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:35,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:35,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:35,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (1/1) ... [2019-09-06 00:58:35,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 00:58:35,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 00:58:35,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 00:58:35,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 00:58:35,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:58:34" (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 [2019-09-06 00:58:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 00:58:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 00:58:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 00:58:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 00:58:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-06 00:58:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-06 00:58:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 00:58:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 00:58:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 00:58:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-06 00:58:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-06 00:58:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 00:58:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 00:58:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 00:58:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 00:58:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 00:58:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 00:58:42,265 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 00:58:42,265 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 00:58:42,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:58:42 BoogieIcfgContainer [2019-09-06 00:58:42,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 00:58:42,274 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 00:58:42,274 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 00:58:42,274 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 00:58:42,276 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:58:42" (1/1) ... [2019-09-06 00:58:42,277 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 [2019-09-06 00:58:42,316 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 00:58:42,317 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 00:58:42,344 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 00:58:42,358 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 00:58:42,360 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 00:58:42,464 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 54 for LOIs [2019-09-06 01:06:05,042 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10206 conjuctions. This might take some time... [2019-09-06 01:08:30,355 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-09-06 01:08:48,098 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-09-06 01:08:53,213 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...