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/Problem16_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 01:06:10,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 01:06:10,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 01:06:10,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 01:06:10,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 01:06:10,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 01:06:10,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 01:06:10,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 01:06:10,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 01:06:10,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 01:06:10,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 01:06:10,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 01:06:10,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 01:06:10,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 01:06:10,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 01:06:10,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 01:06:10,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 01:06:10,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 01:06:10,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 01:06:10,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 01:06:10,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 01:06:10,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 01:06:10,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 01:06:10,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 01:06:10,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 01:06:10,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 01:06:10,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 01:06:10,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 01:06:10,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 01:06:10,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 01:06:10,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 01:06:10,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 01:06:10,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 01:06:10,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 01:06:10,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 01:06:10,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 01:06:10,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 01:06:10,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 01:06:10,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 01:06:10,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 01:06:10,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 01:06:10,330 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 01:06:10,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 01:06:10,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 01:06:10,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 01:06:10,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 01:06:10,345 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 01:06:10,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 01:06:10,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 01:06:10,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 01:06:10,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 01:06:10,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 01:06:10,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 01:06:10,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 01:06:10,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 01:06:10,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 01:06:10,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 01:06:10,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 01:06:10,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 01:06:10,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 01:06:10,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 01:06:10,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 01:06:10,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 01:06:10,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 01:06:10,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 01:06:10,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 01:06:10,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 01:06:10,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 01:06:10,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 01:06:10,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 01:06:10,350 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 01:06:10,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 01:06:10,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 01:06:10,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 01:06:10,644 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 01:06:10,644 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 01:06:10,645 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label29.c [2019-10-14 01:06:10,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be62c028/5ae942f71a78440eaa5208afe5a180f2/FLAG2c1037ff6 [2019-10-14 01:06:11,395 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 01:06:11,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label29.c [2019-10-14 01:06:11,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be62c028/5ae942f71a78440eaa5208afe5a180f2/FLAG2c1037ff6 [2019-10-14 01:06:11,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be62c028/5ae942f71a78440eaa5208afe5a180f2 [2019-10-14 01:06:11,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 01:06:11,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 01:06:11,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 01:06:11,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 01:06:11,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 01:06:11,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:06:11" (1/1) ... [2019-10-14 01:06:11,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7688e8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:11, skipping insertion in model container [2019-10-14 01:06:11,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:06:11" (1/1) ... [2019-10-14 01:06:11,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 01:06:11,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 01:06:12,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 01:06:12,492 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 01:06:12,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 01:06:12,779 INFO L192 MainTranslator]: Completed translation [2019-10-14 01:06:12,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12 WrapperNode [2019-10-14 01:06:12,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 01:06:12,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 01:06:12,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 01:06:12,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 01:06:12,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (1/1) ... [2019-10-14 01:06:12,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 01:06:12,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 01:06:12,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 01:06:12,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 01:06:12,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:06:12" (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 01:06:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 01:06:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 01:06:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 01:06:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-14 01:06:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 01:06:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 01:06:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-14 01:06:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 01:06:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 01:06:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 01:06:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 01:06:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 01:06:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 01:06:31,117 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 01:06:31,118 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 01:06:31,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:06:31 BoogieIcfgContainer [2019-10-14 01:06:31,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 01:06:31,123 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 01:06:31,124 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 01:06:31,124 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 01:06:31,125 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:06:31" (1/1) ... [2019-10-14 01:06:31,128 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 01:06:31,163 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 01:06:31,163 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 01:06:31,184 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 01:06:31,193 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 01:06:31,195 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 01:06:31,434 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 57 for LOIs [2019-10-14 01:06:32,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 40 [2019-10-14 01:06:32,605 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 40 [2019-10-14 01:06:32,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-10-14 01:06:32,872 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-10-14 01:06:32,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 40 [2019-10-14 01:06:33,067 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21