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_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:52:26,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:52:26,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:52:26,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:52:26,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:52:26,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:52:26,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:52:26,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:52:26,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:52:26,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:52:26,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:52:26,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:52:26,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:52:26,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:52:26,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:52:26,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:52:26,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:52:26,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:52:26,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:52:26,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:52:26,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:52:26,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:52:26,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:52:26,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:52:26,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:52:26,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:52:26,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:52:26,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:52:26,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:52:26,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:52:26,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:52:26,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:52:26,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:52:26,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:52:26,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:52:26,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:52:26,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:52:26,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:52:26,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:52:26,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:52:26,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:52:26,992 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 [2019-10-14 00:52:27,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:52:27,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:52:27,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:52:27,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:52:27,021 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:52:27,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:52:27,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:52:27,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:52:27,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:52:27,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:52:27,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:52:27,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:52:27,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:52:27,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:52:27,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:52:27,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:52:27,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:52:27,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:52:27,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:52:27,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:52:27,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:52:27,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:52:27,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:52:27,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:52:27,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:52:27,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:52:27,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:52:27,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:52:27,031 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 [2019-10-14 00:52:27,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:52:27,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:52:27,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:52:27,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:52:27,337 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:52:27,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label48.c [2019-10-14 00:52:27,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b7004e9/aae8cf35f32e482bbc1c319fec475e53/FLAG0dbdced36 [2019-10-14 00:52:27,982 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:52:27,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label48.c [2019-10-14 00:52:27,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b7004e9/aae8cf35f32e482bbc1c319fec475e53/FLAG0dbdced36 [2019-10-14 00:52:28,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b7004e9/aae8cf35f32e482bbc1c319fec475e53 [2019-10-14 00:52:28,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:52:28,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:52:28,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:52:28,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:52:28,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:52:28,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:52:28" (1/1) ... [2019-10-14 00:52:28,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5420840d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:28, skipping insertion in model container [2019-10-14 00:52:28,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:52:28" (1/1) ... [2019-10-14 00:52:28,262 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:52:28,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:52:28,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:52:28,846 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:52:28,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:52:29,000 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:52:29,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29 WrapperNode [2019-10-14 00:52:29,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:52:29,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:52:29,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:52:29,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:52:29,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (1/1) ... [2019-10-14 00:52:29,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:52:29,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:52:29,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:52:29,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:52:29,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:52:29" (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 [2019-10-14 00:52:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:52:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:52:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:52:29,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:52:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:52:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:52:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:52:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:52:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:52:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:52:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:52:31,160 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:52:31,160 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:52:31,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:52:31 BoogieIcfgContainer [2019-10-14 00:52:31,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:52:31,166 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:52:31,166 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:52:31,167 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:52:31,168 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:52:31" (1/1) ... [2019-10-14 00:52:31,169 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 [2019-10-14 00:52:31,205 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:52:31,205 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:52:31,219 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:52:31,229 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:52:31,231 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:52:31,601 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-14 00:52:32,272 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-10-14 00:52:34,517 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 48152 conjuctions. This might take some time... [2019-10-14 00:52:37,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-10-14 00:52:38,809 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 48152 conjuctions. This might take some time... [2019-10-14 00:52:41,949 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-10-14 00:52:42,737 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 48152 conjuctions. This might take some time... [2019-10-14 00:52:46,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-14 00:52:46,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-10-14 00:52:47,297 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-14 00:52:47,417 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-14 00:52:47,558 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-14 00:52:52,485 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-10-14 00:53:00,480 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 262266 conjuctions. This might take some time...