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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 18:37:33,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 18:37:33,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 18:37:33,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 18:37:33,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 18:37:33,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 18:37:33,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 18:37:33,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 18:37:33,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 18:37:33,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 18:37:33,424 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 18:37:33,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 18:37:33,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 18:37:33,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 18:37:33,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 18:37:33,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 18:37:33,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 18:37:33,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 18:37:33,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 18:37:33,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 18:37:33,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 18:37:33,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 18:37:33,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 18:37:33,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 18:37:33,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 18:37:33,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 18:37:33,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 18:37:33,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 18:37:33,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 18:37:33,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 18:37:33,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 18:37:33,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 18:37:33,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 18:37:33,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 18:37:33,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 18:37:33,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 18:37:33,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 18:37:33,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 18:37:33,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 18:37:33,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 18:37:33,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 18:37:33,452 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 18:37:33,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 18:37:33,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 18:37:33,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 18:37:33,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 18:37:33,468 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 18:37:33,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 18:37:33,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 18:37:33,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 18:37:33,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 18:37:33,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 18:37:33,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 18:37:33,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 18:37:33,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 18:37:33,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 18:37:33,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 18:37:33,471 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 18:37:33,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 18:37:33,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 18:37:33,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 18:37:33,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 18:37:33,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 18:37:33,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 18:37:33,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 18:37:33,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 18:37:33,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 18:37:33,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 18:37:33,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 18:37:33,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 18:37:33,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 18:37:33,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 18:37:33,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 18:37:33,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 18:37:33,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 18:37:33,521 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 18:37:33,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label05.c [2019-08-09 18:37:33,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38de847e/50daced4599a4eef9a94d5101c29f024/FLAG6d02b9209 [2019-08-09 18:37:34,370 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 18:37:34,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label05.c [2019-08-09 18:37:34,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38de847e/50daced4599a4eef9a94d5101c29f024/FLAG6d02b9209 [2019-08-09 18:37:34,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38de847e/50daced4599a4eef9a94d5101c29f024 [2019-08-09 18:37:34,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 18:37:34,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 18:37:34,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 18:37:34,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 18:37:34,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 18:37:34,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:37:34" (1/1) ... [2019-08-09 18:37:34,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f35a201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:34, skipping insertion in model container [2019-08-09 18:37:34,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:37:34" (1/1) ... [2019-08-09 18:37:34,487 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 18:37:34,649 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 18:37:36,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:37:36,098 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 18:37:36,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:37:36,804 INFO L192 MainTranslator]: Completed translation [2019-08-09 18:37:36,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36 WrapperNode [2019-08-09 18:37:36,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 18:37:36,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 18:37:36,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 18:37:36,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 18:37:36,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:36,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:36,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:36,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:36,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:37,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:37,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (1/1) ... [2019-08-09 18:37:37,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 18:37:37,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 18:37:37,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 18:37:37,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 18:37:37,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:37:36" (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 18:37:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 18:37:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 18:37:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 18:37:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 18:37:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 18:37:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 18:37:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 18:37:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 18:37:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 18:37:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 18:37:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 18:37:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 18:37:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 18:37:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 18:37:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 18:37:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 18:37:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 18:37:42,677 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 18:37:42,678 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 18:37:42,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:37:42 BoogieIcfgContainer [2019-08-09 18:37:42,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 18:37:42,685 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 18:37:42,685 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 18:37:42,685 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 18:37:42,687 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:37:42" (1/1) ... [2019-08-09 18:38:44,640 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:38:51,441 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:39:01,946 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 18:41:08,640 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:41:16,156 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:41:26,154 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 18:42:08,962 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-09 18:46:40,447 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:46:51,373 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:46:55,299 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 18:48:53,348 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:49:03,841 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:49:07,186 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 18:49:49,113 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...