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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:03:43,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:03:43,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:03:43,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:03:43,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:03:43,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:03:43,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:03:43,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:03:43,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:03:43,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:03:43,468 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:03:43,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:03:43,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:03:43,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:03:43,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:03:43,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:03:43,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:03:43,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:03:43,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:03:43,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:03:43,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:03:43,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:03:43,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:03:43,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:03:43,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:03:43,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:03:43,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:03:43,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:03:43,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:03:43,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:03:43,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:03:43,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:03:43,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:03:43,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:03:43,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:03:43,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:03:43,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:03:43,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:03:43,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:03:43,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:03:43,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:03:43,500 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 13:03:43,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:03:43,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:03:43,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:03:43,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:03:43,526 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:03:43,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:03:43,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:03:43,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:03:43,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:03:43,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:03:43,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:03:43,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:03:43,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:03:43,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:03:43,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:03:43,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:03:43,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:03:43,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:03:43,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:03:43,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:03:43,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:03:43,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:03:43,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:03:43,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:03:43,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:03:43,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:03:43,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:03:43,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:03:43,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:03:43,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:03:43,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:03:43,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:03:43,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:03:43,606 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:03:43,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label20.c [2019-08-14 13:03:43,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1d29437/39a59fa88e794f78840e6876280c38dc/FLAGcce23faa9 [2019-08-14 13:03:44,424 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:03:44,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label20.c [2019-08-14 13:03:44,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1d29437/39a59fa88e794f78840e6876280c38dc/FLAGcce23faa9 [2019-08-14 13:03:44,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af1d29437/39a59fa88e794f78840e6876280c38dc [2019-08-14 13:03:44,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:03:44,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:03:44,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:03:44,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:03:44,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:03:44,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:03:44" (1/1) ... [2019-08-14 13:03:44,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7a848d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:44, skipping insertion in model container [2019-08-14 13:03:44,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:03:44" (1/1) ... [2019-08-14 13:03:44,561 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:03:44,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:03:45,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:03:45,910 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:03:46,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:03:46,747 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:03:46,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46 WrapperNode [2019-08-14 13:03:46,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:03:46,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:03:46,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:03:46,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:03:46,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:46,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:46,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:46,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:46,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:47,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:47,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (1/1) ... [2019-08-14 13:03:47,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:03:47,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:03:47,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:03:47,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:03:47,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:46" (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 13:03:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:03:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:03:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:03:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:03:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:03:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:03:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:03:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:03:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:03:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:03:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:03:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:03:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:03:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:03:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:03:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:03:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:03:51,920 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:03:51,921 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:03:51,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:03:51 BoogieIcfgContainer [2019-08-14 13:03:51,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:03:51,926 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:03:51,926 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:03:51,926 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:03:51,928 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:03:51" (1/1) ... [2019-08-14 13:04:51,878 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:04:58,826 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:05:09,724 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:07:00,894 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:07:07,868 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:07:19,269 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:07:58,085 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:12:18,935 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:12:31,303 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:12:35,309 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:14:28,930 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:14:40,526 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:14:44,105 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:15:21,976 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...