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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 18:51:58,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 18:51:58,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 18:51:58,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 18:51:58,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 18:51:58,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 18:51:58,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 18:51:58,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 18:51:58,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 18:51:58,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 18:51:58,102 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 18:51:58,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 18:51:58,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 18:51:58,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 18:51:58,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 18:51:58,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 18:51:58,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 18:51:58,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 18:51:58,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 18:51:58,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 18:51:58,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 18:51:58,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 18:51:58,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 18:51:58,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 18:51:58,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 18:51:58,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 18:51:58,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 18:51:58,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 18:51:58,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 18:51:58,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 18:51:58,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 18:51:58,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 18:51:58,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 18:51:58,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 18:51:58,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 18:51:58,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 18:51:58,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 18:51:58,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 18:51:58,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 18:51:58,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 18:51:58,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 18:51:58,130 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 18:51:58,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 18:51:58,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 18:51:58,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 18:51:58,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 18:51:58,146 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 18:51:58,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 18:51:58,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 18:51:58,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 18:51:58,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 18:51:58,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 18:51:58,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 18:51:58,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 18:51:58,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 18:51:58,147 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 18:51:58,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 18:51:58,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 18:51:58,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 18:51:58,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 18:51:58,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 18:51:58,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 18:51:58,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 18:51:58,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 18:51:58,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 18:51:58,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 18:51:58,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 18:51:58,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 18:51:58,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 18:51:58,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 18:51:58,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 18:51:58,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 18:51:58,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 18:51:58,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 18:51:58,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 18:51:58,194 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 18:51:58,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label15.c [2019-08-09 18:51:58,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3eb1d8e/ca57d4c5ee19481e8b032e6fc0244f98/FLAG82ee85881 [2019-08-09 18:51:58,978 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 18:51:58,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label15.c [2019-08-09 18:51:59,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3eb1d8e/ca57d4c5ee19481e8b032e6fc0244f98/FLAG82ee85881 [2019-08-09 18:51:59,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3eb1d8e/ca57d4c5ee19481e8b032e6fc0244f98 [2019-08-09 18:51:59,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 18:51:59,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 18:51:59,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 18:51:59,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 18:51:59,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 18:51:59,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:51:59" (1/1) ... [2019-08-09 18:51:59,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8bbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:51:59, skipping insertion in model container [2019-08-09 18:51:59,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:51:59" (1/1) ... [2019-08-09 18:51:59,137 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 18:51:59,311 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 18:52:00,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:52:00,713 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 18:52:01,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:52:01,441 INFO L192 MainTranslator]: Completed translation [2019-08-09 18:52:01,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01 WrapperNode [2019-08-09 18:52:01,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 18:52:01,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 18:52:01,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 18:52:01,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 18:52:01,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (1/1) ... [2019-08-09 18:52:01,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 18:52:01,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 18:52:01,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 18:52:01,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 18:52:01,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:01" (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 18:52:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 18:52:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 18:52:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 18:52:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 18:52:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 18:52:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 18:52:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 18:52:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 18:52:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 18:52:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 18:52:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 18:52:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 18:52:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 18:52:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 18:52:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 18:52:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 18:52:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 18:52:06,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 18:52:06,490 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 18:52:06,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:52:06 BoogieIcfgContainer [2019-08-09 18:52:06,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 18:52:06,493 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 18:52:06,493 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 18:52:06,493 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 18:52:06,494 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:52:06" (1/1) ... [2019-08-09 18:53:06,209 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:53:12,806 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:53:23,339 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 18:55:13,881 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:55:20,401 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:55:31,160 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 18:56:10,299 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-09 19:00:39,748 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:00:51,977 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:00:55,768 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 19:02:42,315 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:02:54,374 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:02:58,005 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 19:03:35,253 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...