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/Problem17_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 17:53:47,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 17:53:47,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 17:53:47,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 17:53:47,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 17:53:47,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 17:53:47,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 17:53:47,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 17:53:47,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 17:53:47,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 17:53:47,258 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 17:53:47,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 17:53:47,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 17:53:47,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 17:53:47,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 17:53:47,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 17:53:47,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 17:53:47,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 17:53:47,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 17:53:47,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 17:53:47,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 17:53:47,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 17:53:47,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 17:53:47,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 17:53:47,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 17:53:47,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 17:53:47,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 17:53:47,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 17:53:47,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 17:53:47,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 17:53:47,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 17:53:47,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 17:53:47,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 17:53:47,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 17:53:47,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 17:53:47,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 17:53:47,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 17:53:47,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 17:53:47,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 17:53:47,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 17:53:47,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 17:53:47,285 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 17:53:47,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 17:53:47,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 17:53:47,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 17:53:47,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 17:53:47,303 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 17:53:47,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 17:53:47,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 17:53:47,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 17:53:47,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 17:53:47,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 17:53:47,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 17:53:47,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 17:53:47,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 17:53:47,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 17:53:47,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 17:53:47,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 17:53:47,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 17:53:47,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 17:53:47,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 17:53:47,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 17:53:47,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 17:53:47,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 17:53:47,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 17:53:47,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 17:53:47,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 17:53:47,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 17:53:47,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 17:53:47,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 17:53:47,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 17:53:47,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 17:53:47,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 17:53:47,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 17:53:47,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 17:53:47,356 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 17:53:47,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label50.c [2019-08-14 17:53:47,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5dd4947f/ee189eaaa2ba415d92a73afa05e1a5b9/FLAGf2c0b74a2 [2019-08-14 17:53:48,155 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 17:53:48,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label50.c [2019-08-14 17:53:48,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5dd4947f/ee189eaaa2ba415d92a73afa05e1a5b9/FLAGf2c0b74a2 [2019-08-14 17:53:48,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5dd4947f/ee189eaaa2ba415d92a73afa05e1a5b9 [2019-08-14 17:53:48,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 17:53:48,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 17:53:48,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 17:53:48,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 17:53:48,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 17:53:48,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:53:48" (1/1) ... [2019-08-14 17:53:48,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed5bad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:48, skipping insertion in model container [2019-08-14 17:53:48,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:53:48" (1/1) ... [2019-08-14 17:53:48,258 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 17:53:48,369 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 17:53:49,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:53:49,560 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 17:53:49,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:53:49,989 INFO L192 MainTranslator]: Completed translation [2019-08-14 17:53:49,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49 WrapperNode [2019-08-14 17:53:49,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 17:53:49,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 17:53:49,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 17:53:49,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 17:53:50,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (1/1) ... [2019-08-14 17:53:50,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 17:53:50,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 17:53:50,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 17:53:50,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 17:53:50,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:49" (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 17:53:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 17:53:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 17:53:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 17:53:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 17:53:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 17:53:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 17:53:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 17:53:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 17:53:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 17:53:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 17:53:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 17:53:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 17:53:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 17:53:54,245 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 17:53:54,246 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 17:53:54,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:53:54 BoogieIcfgContainer [2019-08-14 17:53:54,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 17:53:54,253 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 17:53:54,253 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 17:53:54,254 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 17:53:54,255 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:53:54" (1/1) ... [2019-08-14 17:54:05,513 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8748 conjuctions. This might take some time... [2019-08-14 17:54:15,683 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 21870 conjuctions. This might take some time... [2019-08-14 17:56:02,739 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 24786 conjuctions. This might take some time... [2019-08-14 17:57:39,055 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 17:58:02,750 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 137781 conjuctions. This might take some time...