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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 18:52:09,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 18:52:09,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 18:52:09,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 18:52:09,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 18:52:09,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 18:52:09,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 18:52:09,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 18:52:09,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 18:52:09,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 18:52:09,241 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 18:52:09,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 18:52:09,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 18:52:09,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 18:52:09,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 18:52:09,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 18:52:09,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 18:52:09,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 18:52:09,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 18:52:09,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 18:52:09,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 18:52:09,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 18:52:09,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 18:52:09,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 18:52:09,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 18:52:09,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 18:52:09,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 18:52:09,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 18:52:09,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 18:52:09,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 18:52:09,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 18:52:09,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 18:52:09,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 18:52:09,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 18:52:09,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 18:52:09,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 18:52:09,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 18:52:09,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 18:52:09,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 18:52:09,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 18:52:09,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 18:52:09,281 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 [2019-08-09 18:52:09,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 18:52:09,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 18:52:09,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 18:52:09,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 18:52:09,317 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 18:52:09,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 18:52:09,318 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 18:52:09,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 18:52:09,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 18:52:09,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 18:52:09,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 18:52:09,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 18:52:09,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 18:52:09,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 18:52:09,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 18:52:09,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 18:52:09,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 18:52:09,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 18:52:09,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 18:52:09,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 18:52:09,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 18:52:09,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 18:52:09,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 18:52:09,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 18:52:09,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 18:52:09,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 18:52:09,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 18:52:09,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 18:52:09,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 18:52:09,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 18:52:09,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 18:52:09,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 18:52:09,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 18:52:09,413 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 18:52:09,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label22.c [2019-08-09 18:52:09,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c23a184/a49eb6a3cdca433c8f0e50b8a64c13fd/FLAGa9ebdb0ba [2019-08-09 18:52:10,420 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 18:52:10,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label22.c [2019-08-09 18:52:10,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c23a184/a49eb6a3cdca433c8f0e50b8a64c13fd/FLAGa9ebdb0ba [2019-08-09 18:52:10,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31c23a184/a49eb6a3cdca433c8f0e50b8a64c13fd [2019-08-09 18:52:10,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 18:52:10,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 18:52:10,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 18:52:10,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 18:52:10,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 18:52:10,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:52:10" (1/1) ... [2019-08-09 18:52:10,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295bd49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:10, skipping insertion in model container [2019-08-09 18:52:10,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:52:10" (1/1) ... [2019-08-09 18:52:10,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 18:52:11,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 18:52:12,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:52:12,560 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 18:52:13,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:52:13,281 INFO L192 MainTranslator]: Completed translation [2019-08-09 18:52:13,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13 WrapperNode [2019-08-09 18:52:13,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 18:52:13,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 18:52:13,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 18:52:13,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 18:52:13,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (1/1) ... [2019-08-09 18:52:13,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 18:52:13,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 18:52:13,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 18:52:13,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 18:52:13,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:13" (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 [2019-08-09 18:52:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 18:52:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 18:52:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 18:52:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 18:52:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 18:52:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 18:52:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 18:52:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 18:52:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 18:52:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 18:52:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 18:52:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 18:52:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 18:52:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 18:52:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 18:52:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 18:52:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 18:52:19,010 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 18:52:19,011 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 18:52:19,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:52:19 BoogieIcfgContainer [2019-08-09 18:52:19,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 18:52:19,015 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 18:52:19,015 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 18:52:19,015 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 18:52:19,016 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:52:19" (1/1) ... [2019-08-09 18:53:15,862 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:53:24,521 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:53:37,332 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 18:56:09,327 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:56:18,252 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:56:30,802 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 18:57:18,486 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-09 19:02:26,551 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:02:38,498 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:02:42,173 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 19:05:11,729 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:05:23,992 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:05:27,566 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 19:06:13,836 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...