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/Problem19_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 06:28:31,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 06:28:31,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 06:28:31,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 06:28:31,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 06:28:31,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 06:28:31,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 06:28:31,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 06:28:31,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 06:28:31,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 06:28:31,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 06:28:31,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 06:28:31,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 06:28:31,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 06:28:31,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 06:28:31,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 06:28:31,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 06:28:31,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 06:28:31,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 06:28:31,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 06:28:31,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 06:28:31,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 06:28:31,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 06:28:31,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 06:28:31,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 06:28:31,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 06:28:31,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 06:28:31,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 06:28:31,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 06:28:31,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 06:28:31,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 06:28:31,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 06:28:31,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 06:28:31,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 06:28:31,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 06:28:31,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 06:28:31,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 06:28:31,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 06:28:31,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 06:28:31,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 06:28:31,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 06:28:31,343 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 06:28:31,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 06:28:31,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 06:28:31,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 06:28:31,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 06:28:31,378 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 06:28:31,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 06:28:31,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 06:28:31,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 06:28:31,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 06:28:31,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 06:28:31,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 06:28:31,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 06:28:31,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 06:28:31,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 06:28:31,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 06:28:31,382 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 06:28:31,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 06:28:31,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 06:28:31,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 06:28:31,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 06:28:31,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 06:28:31,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 06:28:31,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 06:28:31,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 06:28:31,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 06:28:31,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 06:28:31,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 06:28:31,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 06:28:31,385 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 06:28:31,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 06:28:31,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 06:28:31,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 06:28:31,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 06:28:31,462 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 06:28:31,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label37.c [2019-09-06 06:28:31,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b15c049e/5b646a7f5c8e4159b6ee8ebae2e1d7eb/FLAG4c78d17ae [2019-09-06 06:28:32,388 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 06:28:32,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label37.c [2019-09-06 06:28:32,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b15c049e/5b646a7f5c8e4159b6ee8ebae2e1d7eb/FLAG4c78d17ae [2019-09-06 06:28:32,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b15c049e/5b646a7f5c8e4159b6ee8ebae2e1d7eb [2019-09-06 06:28:32,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 06:28:32,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 06:28:32,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 06:28:32,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 06:28:32,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 06:28:32,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 06:28:32" (1/1) ... [2019-09-06 06:28:32,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e8182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:32, skipping insertion in model container [2019-09-06 06:28:32,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 06:28:32" (1/1) ... [2019-09-06 06:28:32,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 06:28:33,145 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 06:28:35,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 06:28:35,627 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 06:28:36,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 06:28:36,868 INFO L192 MainTranslator]: Completed translation [2019-09-06 06:28:36,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36 WrapperNode [2019-09-06 06:28:36,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 06:28:36,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 06:28:36,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 06:28:36,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 06:28:36,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:36,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:36,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:36,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:37,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:37,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:37,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (1/1) ... [2019-09-06 06:28:37,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 06:28:37,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 06:28:37,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 06:28:37,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 06:28:37,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 06:28:36" (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 06:28:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 06:28:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 06:28:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-06 06:28:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-06 06:28:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-06 06:28:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-06 06:28:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-06 06:28:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-06 06:28:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 06:28:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-06 06:28:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-06 06:28:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-06 06:28:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-06 06:28:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-06 06:28:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-06 06:28:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 06:28:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 06:28:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 06:28:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 06:28:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 06:28:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 06:28:48,214 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 06:28:48,215 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 06:28:48,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 06:28:48 BoogieIcfgContainer [2019-09-06 06:28:48,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 06:28:48,222 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 06:28:48,223 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 06:28:48,223 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 06:28:48,225 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 06:28:48" (1/1) ... [2019-09-06 06:28:48,226 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 06:28:48,264 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 06:28:48,264 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 06:28:48,292 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 06:28:48,304 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 06:28:48,305 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 06:28:48,393 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 58 for LOIs [2019-09-06 06:29:22,839 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-09-06 06:29:41,319 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-09-06 06:29:47,313 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-09-06 06:32:53,659 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-09-06 06:33:01,993 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-09-06 06:33:15,286 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-09-06 06:34:08,554 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 177147 conjuctions. This might take some time...