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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:46:55,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:46:55,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:46:55,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:46:55,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:46:55,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:46:55,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:46:55,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:46:55,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:46:55,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:46:55,290 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:46:55,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:46:55,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:46:55,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:46:55,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:46:55,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:46:55,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:46:55,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:46:55,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:46:55,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:46:55,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:46:55,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:46:55,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:46:55,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:46:55,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:46:55,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:46:55,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:46:55,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:46:55,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:46:55,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:46:55,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:46:55,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:46:55,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:46:55,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:46:55,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:46:55,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:46:55,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:46:55,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:46:55,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:46:55,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:46:55,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:46:55,339 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 [2019-08-14 13:46:55,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:46:55,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:46:55,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:46:55,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:46:55,365 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:46:55,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:46:55,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:46:55,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:46:55,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:46:55,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:46:55,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:46:55,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:46:55,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:46:55,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:46:55,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:46:55,369 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:46:55,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:46:55,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:46:55,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:46:55,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:46:55,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:46:55,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:46:55,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:46:55,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:46:55,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:46:55,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:46:55,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:46:55,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:46:55,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:46:55,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:46:55,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:46:55,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:46:55,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:46:55,446 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:46:55,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label53.c [2019-08-14 13:46:55,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342efa253/614a6cde93524722ac93b9ebc8a2ffc4/FLAGf8fcb0d21 [2019-08-14 13:46:56,270 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:46:56,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label53.c [2019-08-14 13:46:56,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342efa253/614a6cde93524722ac93b9ebc8a2ffc4/FLAGf8fcb0d21 [2019-08-14 13:46:56,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/342efa253/614a6cde93524722ac93b9ebc8a2ffc4 [2019-08-14 13:46:56,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:46:56,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:46:56,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:46:56,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:46:56,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:46:56,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:46:56" (1/1) ... [2019-08-14 13:46:56,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4828d45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:56, skipping insertion in model container [2019-08-14 13:46:56,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:46:56" (1/1) ... [2019-08-14 13:46:56,411 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:46:56,586 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:46:57,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:46:57,981 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:46:58,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:46:58,611 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:46:58,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58 WrapperNode [2019-08-14 13:46:58,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:46:58,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:46:58,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:46:58,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:46:58,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (1/1) ... [2019-08-14 13:46:58,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:46:58,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:46:58,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:46:58,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:46:58,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:46:58" (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 [2019-08-14 13:46:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:46:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:46:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:46:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:46:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:46:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:46:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:46:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:46:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:46:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:46:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:46:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:46:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:46:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:46:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:46:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:46:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:47:04,683 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:47:04,684 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:47:04,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:47:04 BoogieIcfgContainer [2019-08-14 13:47:04,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:47:04,690 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:47:04,690 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:47:04,690 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:47:04,691 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:47:04" (1/1) ... [2019-08-14 13:48:06,239 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:48:12,456 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:48:22,625 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:50:50,419 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:50:57,152 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:51:08,788 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:51:58,225 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:57:19,277 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:57:31,665 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:57:35,575 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:59:56,406 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 14:00:08,445 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 14:00:12,062 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 14:00:57,517 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...