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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:56:50,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:56:50,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:56:50,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:56:50,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:56:50,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:56:50,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:56:50,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:56:50,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:56:50,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:56:50,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:56:50,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:56:50,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:56:50,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:56:50,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:56:50,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:56:50,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:56:50,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:56:50,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:56:50,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:56:50,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:56:50,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:56:50,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:56:50,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:56:50,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:56:50,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:56:50,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:56:50,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:56:50,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:56:50,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:56:50,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:56:50,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:56:50,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:56:50,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:56:50,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:56:50,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:56:50,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:56:50,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:56:50,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:56:50,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:56:50,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:56:50,901 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 [2019-10-15 04:56:50,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:56:50,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:56:50,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:56:50,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:56:50,922 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:56:50,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:56:50,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:56:50,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:56:50,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:56:50,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:56:50,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:56:50,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:56:50,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:56:50,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:56:50,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:56:50,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:56:50,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:56:50,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:56:50,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:56:50,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:56:50,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:56:50,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:56:50,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:56:50,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:56:50,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:56:50,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:56:50,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:56:50,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:56:50,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 04:56:51,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:56:51,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:56:51,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:56:51,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:56:51,257 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:56:51,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label30.c [2019-10-15 04:56:51,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9281b52b1/026aca9bcb7347fa8760def179955ae0/FLAG5a5904bea [2019-10-15 04:56:51,923 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:56:51,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label30.c [2019-10-15 04:56:51,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9281b52b1/026aca9bcb7347fa8760def179955ae0/FLAG5a5904bea [2019-10-15 04:56:52,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9281b52b1/026aca9bcb7347fa8760def179955ae0 [2019-10-15 04:56:52,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:56:52,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:56:52,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:56:52,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:56:52,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:56:52,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:56:52" (1/1) ... [2019-10-15 04:56:52,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760969a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:52, skipping insertion in model container [2019-10-15 04:56:52,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:56:52" (1/1) ... [2019-10-15 04:56:52,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:56:52,286 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:56:52,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:56:52,824 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:56:52,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:56:53,021 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:56:53,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53 WrapperNode [2019-10-15 04:56:53,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:56:53,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:56:53,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:56:53,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:56:53,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (1/1) ... [2019-10-15 04:56:53,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:56:53,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:56:53,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:56:53,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:56:53,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:53" (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 [2019-10-15 04:56:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:56:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:56:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:56:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:56:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:56:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:56:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:56:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:56:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:56:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:56:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:56:55,166 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:56:55,166 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:56:55,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:56:55 BoogieIcfgContainer [2019-10-15 04:56:55,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:56:55,170 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:56:55,171 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:56:55,171 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:56:55,172 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:56:55" (1/1) ... [2019-10-15 04:56:55,173 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 04:56:55,217 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:56:55,218 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:56:55,234 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:56:55,246 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:56:55,248 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:56:55,562 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-15 04:56:56,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-10-15 04:56:57,082 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 41027 conjuctions. This might take some time... [2019-10-15 04:56:59,685 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-10-15 04:57:00,654 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 41027 conjuctions. This might take some time... [2019-10-15 04:57:03,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-10-15 04:57:03,792 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 41027 conjuctions. This might take some time... [2019-10-15 04:57:06,376 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-10-15 04:57:07,696 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-15 04:57:07,879 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-15 04:57:12,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-10-15 04:57:18,667 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 227718 conjuctions. This might take some time...