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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 19:06:40,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 19:06:40,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 19:06:40,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 19:06:40,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 19:06:40,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 19:06:40,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 19:06:40,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 19:06:40,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 19:06:40,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 19:06:40,307 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 19:06:40,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 19:06:40,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 19:06:40,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 19:06:40,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 19:06:40,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 19:06:40,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 19:06:40,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 19:06:40,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 19:06:40,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 19:06:40,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 19:06:40,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 19:06:40,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 19:06:40,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 19:06:40,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 19:06:40,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 19:06:40,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 19:06:40,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 19:06:40,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 19:06:40,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 19:06:40,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 19:06:40,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 19:06:40,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 19:06:40,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 19:06:40,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 19:06:40,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 19:06:40,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 19:06:40,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 19:06:40,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 19:06:40,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 19:06:40,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 19:06:40,349 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 19:06:40,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 19:06:40,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 19:06:40,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 19:06:40,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 19:06:40,390 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 19:06:40,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 19:06:40,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 19:06:40,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 19:06:40,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 19:06:40,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 19:06:40,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 19:06:40,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 19:06:40,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 19:06:40,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 19:06:40,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 19:06:40,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 19:06:40,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 19:06:40,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 19:06:40,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 19:06:40,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 19:06:40,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 19:06:40,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 19:06:40,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 19:06:40,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 19:06:40,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 19:06:40,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 19:06:40,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 19:06:40,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 19:06:40,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 19:06:40,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 19:06:40,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 19:06:40,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 19:06:40,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 19:06:40,473 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 19:06:40,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label36.c [2019-08-09 19:06:40,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13559d7e4/747adf90aee54f61bcafd359edbc9ee8/FLAGa068e2abb [2019-08-09 19:06:41,397 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 19:06:41,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label36.c [2019-08-09 19:06:41,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13559d7e4/747adf90aee54f61bcafd359edbc9ee8/FLAGa068e2abb [2019-08-09 19:06:41,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13559d7e4/747adf90aee54f61bcafd359edbc9ee8 [2019-08-09 19:06:41,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 19:06:41,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 19:06:41,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 19:06:41,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 19:06:41,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 19:06:41,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 07:06:41" (1/1) ... [2019-08-09 19:06:41,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2909cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:41, skipping insertion in model container [2019-08-09 19:06:41,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 07:06:41" (1/1) ... [2019-08-09 19:06:41,944 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 19:06:42,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 19:06:43,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 19:06:43,767 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 19:06:44,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 19:06:44,468 INFO L192 MainTranslator]: Completed translation [2019-08-09 19:06:44,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44 WrapperNode [2019-08-09 19:06:44,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 19:06:44,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 19:06:44,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 19:06:44,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 19:06:44,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (1/1) ... [2019-08-09 19:06:44,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 19:06:44,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 19:06:44,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 19:06:44,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 19:06:44,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:06:44" (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 19:06:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 19:06:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 19:06:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 19:06:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 19:06:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 19:06:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 19:06:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 19:06:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 19:06:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 19:06:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 19:06:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 19:06:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 19:06:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 19:06:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 19:06:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 19:06:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 19:06:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 19:06:49,837 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 19:06:49,838 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 19:06:49,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 07:06:49 BoogieIcfgContainer [2019-08-09 19:06:49,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 19:06:49,844 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 19:06:49,845 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 19:06:49,845 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 19:06:49,846 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 07:06:49" (1/1) ... [2019-08-09 19:07:45,998 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:07:53,434 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:08:04,639 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 19:10:26,172 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:10:32,946 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:10:43,761 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 19:11:33,724 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-09 19:16:43,339 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:16:55,819 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:16:59,640 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 19:19:19,006 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:19:31,642 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:19:35,451 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 19:20:33,201 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...