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/Problem11_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:53:40,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:53:40,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:53:40,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:53:40,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:53:40,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:53:40,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:53:40,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:53:40,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:53:40,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:53:40,103 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:53:40,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:53:40,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:53:40,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:53:40,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:53:40,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:53:40,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:53:40,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:53:40,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:53:40,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:53:40,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:53:40,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:53:40,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:53:40,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:53:40,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 17:53:40,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 17:53:40,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 17:53:40,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 17:53:40,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 17:53:40,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 17:53:40,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:53:40,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:53:40,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:53:40,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:53:40,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:53:40,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:53:40,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:53:40,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:53:40,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:53:40,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:53:40,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:53:40,132 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 17:53:40,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:53:40,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:53:40,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:53:40,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:53:40,148 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:53:40,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:53:40,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:53:40,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:53:40,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:53:40,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:53:40,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:53:40,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:53:40,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:53:40,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:53:40,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:53:40,150 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:53:40,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:53:40,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:53:40,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:53:40,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:53:40,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:53:40,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:53:40,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:53:40,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:53:40,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:53:40,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:53:40,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:53:40,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:53:40,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:53:40,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:53:40,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:53:40,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:53:40,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:53:40,198 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:53:40,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label16.c [2019-08-09 17:53:40,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f485f153/9e0be5042ebc4ff5aa45dd34ad5a291b/FLAG3b2d816ee [2019-08-09 17:53:40,858 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:53:40,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label16.c [2019-08-09 17:53:40,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f485f153/9e0be5042ebc4ff5aa45dd34ad5a291b/FLAG3b2d816ee [2019-08-09 17:53:41,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f485f153/9e0be5042ebc4ff5aa45dd34ad5a291b [2019-08-09 17:53:41,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:53:41,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:53:41,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:53:41,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:53:41,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:53:41,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:53:41" (1/1) ... [2019-08-09 17:53:41,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33895d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:41, skipping insertion in model container [2019-08-09 17:53:41,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:53:41" (1/1) ... [2019-08-09 17:53:41,128 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:53:41,207 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:53:41,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:53:41,849 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:53:42,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:53:42,202 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:53:42,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42 WrapperNode [2019-08-09 17:53:42,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:53:42,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:53:42,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:53:42,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:53:42,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (1/1) ... [2019-08-09 17:53:42,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:53:42,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:53:42,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:53:42,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:53:42,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:42" (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 17:53:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:53:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:53:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:53:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:53:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:53:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:53:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:53:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:53:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:53:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:53:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:53:44,582 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:53:44,583 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:53:44,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:53:44 BoogieIcfgContainer [2019-08-09 17:53:44,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:53:44,585 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:53:44,585 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:53:44,586 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:53:44,586 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:53:44" (1/1) ... [2019-08-09 17:53:56,149 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 17:54:16,373 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 17:55:09,684 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 531441 conjuctions. This might take some time...