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/Problem19_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 18:09:29,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 18:09:29,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 18:09:29,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 18:09:29,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 18:09:29,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 18:09:29,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 18:09:29,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 18:09:29,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 18:09:29,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 18:09:29,073 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 18:09:29,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 18:09:29,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 18:09:29,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 18:09:29,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 18:09:29,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 18:09:29,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 18:09:29,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 18:09:29,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 18:09:29,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 18:09:29,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 18:09:29,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 18:09:29,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 18:09:29,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 18:09:29,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 18:09:29,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 18:09:29,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 18:09:29,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 18:09:29,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 18:09:29,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 18:09:29,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 18:09:29,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 18:09:29,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 18:09:29,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 18:09:29,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 18:09:29,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 18:09:29,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 18:09:29,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 18:09:29,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 18:09:29,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 18:09:29,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 18:09:29,133 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 18:09:29,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 18:09:29,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 18:09:29,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 18:09:29,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 18:09:29,168 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 18:09:29,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 18:09:29,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 18:09:29,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 18:09:29,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 18:09:29,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 18:09:29,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 18:09:29,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 18:09:29,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 18:09:29,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 18:09:29,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 18:09:29,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 18:09:29,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 18:09:29,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 18:09:29,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 18:09:29,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 18:09:29,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 18:09:29,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 18:09:29,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 18:09:29,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 18:09:29,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 18:09:29,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 18:09:29,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 18:09:29,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 18:09:29,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 18:09:29,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 18:09:29,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 18:09:29,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 18:09:29,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 18:09:29,248 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 18:09:29,248 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label04.c [2019-08-14 18:09:29,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a213edd93/eaefdac028464a299d3a5cafca17363b/FLAG7cd85c26c [2019-08-14 18:09:30,381 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 18:09:30,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label04.c [2019-08-14 18:09:30,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a213edd93/eaefdac028464a299d3a5cafca17363b/FLAG7cd85c26c [2019-08-14 18:09:30,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a213edd93/eaefdac028464a299d3a5cafca17363b [2019-08-14 18:09:30,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 18:09:30,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 18:09:30,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 18:09:30,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 18:09:30,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 18:09:30,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:09:30" (1/1) ... [2019-08-14 18:09:30,723 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 06:09:30, skipping insertion in model container [2019-08-14 18:09:30,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:09:30" (1/1) ... [2019-08-14 18:09:30,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 18:09:30,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 18:09:33,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:09:33,254 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 18:09:34,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 18:09:34,427 INFO L192 MainTranslator]: Completed translation [2019-08-14 18:09:34,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34 WrapperNode [2019-08-14 18:09:34,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 18:09:34,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 18:09:34,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 18:09:34,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 18:09:34,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (1/1) ... [2019-08-14 18:09:34,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 18:09:34,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 18:09:34,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 18:09:34,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 18:09:34,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:09:34" (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 18:09:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 18:09:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 18:09:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 18:09:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 18:09:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 18:09:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 18:09:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 18:09:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-08-14 18:09:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 18:09:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 18:09:34,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 18:09:34,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 18:09:34,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 18:09:34,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 18:09:34,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-08-14 18:09:34,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 18:09:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 18:09:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 18:09:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 18:09:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 18:09:34,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 18:09:45,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 18:09:45,555 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 18:09:45,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:09:45 BoogieIcfgContainer [2019-08-14 18:09:45,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 18:09:45,564 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 18:09:45,564 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 18:09:45,564 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 18:09:45,566 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:09:45" (1/1) ... [2019-08-14 18:09:51,848 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11907 conjuctions. This might take some time... [2019-08-14 18:10:26,728 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5103 conjuctions. This might take some time... [2019-08-14 18:10:45,832 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-14 18:11:44,578 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 18:12:00,220 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 18:12:05,699 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-14 18:14:57,383 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 18:15:10,780 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 18:16:07,961 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...