/usr/bin/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:18:04,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:18:04,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:18:04,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:18:04,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:18:04,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:18:04,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:18:04,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:18:04,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:18:04,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:18:04,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:18:04,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:18:04,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:18:04,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:18:04,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:18:04,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:18:04,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:18:04,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:18:04,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:18:04,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:18:04,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:18:04,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:18:04,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:18:04,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:18:04,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:18:04,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:18:04,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:18:04,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:18:04,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:18:04,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:18:04,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:18:04,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:18:04,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:18:04,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:18:04,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:18:04,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:18:04,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:18:04,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:18:04,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:18:04,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:18:04,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:18:04,372 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 [2019-11-07 07:18:04,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:18:04,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:18:04,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:18:04,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:18:04,395 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:18:04,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:18:04,395 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:18:04,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:18:04,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:18:04,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:18:04,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:18:04,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:18:04,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:18:04,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:18:04,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:18:04,398 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:18:04,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:18:04,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:18:04,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:18:04,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:18:04,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:18:04,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:18:04,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:18:04,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:18:04,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:18:04,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:18:04,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:18:04,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:18:04,401 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 [2019-11-07 07:18:04,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:18:04,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:18:04,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:18:04,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:18:04,695 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:18:04,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2019-11-07 07:18:04,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d513952/9e2d1f6a48d2416c85c0ac1daa875c27/FLAGadf87d19d [2019-11-07 07:18:05,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:18:05,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2019-11-07 07:18:05,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d513952/9e2d1f6a48d2416c85c0ac1daa875c27/FLAGadf87d19d [2019-11-07 07:18:05,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d513952/9e2d1f6a48d2416c85c0ac1daa875c27 [2019-11-07 07:18:05,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:18:05,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:18:05,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:18:05,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:18:05,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:18:05,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:05" (1/1) ... [2019-11-07 07:18:05,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cf9e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:05, skipping insertion in model container [2019-11-07 07:18:05,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:05" (1/1) ... [2019-11-07 07:18:05,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:18:05,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:18:06,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:18:06,234 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:18:06,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:18:06,392 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:18:06,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06 WrapperNode [2019-11-07 07:18:06,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:18:06,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:18:06,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:18:06,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:18:06,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (1/1) ... [2019-11-07 07:18:06,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:18:06,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:18:06,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:18:06,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:18:06,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:06" (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 [2019-11-07 07:18:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:18:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:18:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:18:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:18:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:18:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:18:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:18:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:18:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:18:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:18:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:18:08,708 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:18:08,708 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:18:08,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:08 BoogieIcfgContainer [2019-11-07 07:18:08,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:18:08,710 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:18:08,710 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:18:08,711 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:18:08,712 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:08" (1/1) ... [2019-11-07 07:18:08,713 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 [2019-11-07 07:18:08,738 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:18:08,738 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:18:08,747 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:18:08,756 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:18:08,757 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:18:08,829 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 66 for LOIs [2019-11-07 07:18:09,688 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-07 07:18:09,828 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14553 conjuctions. This might take some time... [2019-11-07 07:18:11,530 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-07 07:18:11,598 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14553 conjuctions. This might take some time... [2019-11-07 07:18:13,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-07 07:18:13,488 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14553 conjuctions. This might take some time... [2019-11-07 07:18:15,208 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2019-11-07 07:18:15,209 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-07 07:18:15,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-07 07:18:16,287 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 98 for LOIs [2019-11-07 07:18:20,565 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-07 07:18:20,710 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 61110 conjuctions. This might take some time...