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/Problem16_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 22:01:01,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 22:01:01,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 22:01:01,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 22:01:01,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 22:01:01,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 22:01:01,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 22:01:01,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 22:01:01,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 22:01:01,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 22:01:01,949 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 22:01:01,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 22:01:01,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 22:01:01,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 22:01:01,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 22:01:01,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 22:01:01,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 22:01:01,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 22:01:01,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 22:01:01,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 22:01:01,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 22:01:01,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 22:01:01,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 22:01:01,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 22:01:01,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 22:01:01,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 22:01:01,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 22:01:01,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 22:01:01,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 22:01:01,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 22:01:01,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 22:01:01,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 22:01:01,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 22:01:01,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 22:01:01,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 22:01:01,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 22:01:01,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 22:01:01,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 22:01:01,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 22:01:01,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 22:01:01,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 22:01:01,985 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 22:01:02,013 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 22:01:02,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 22:01:02,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 22:01:02,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 22:01:02,014 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 22:01:02,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 22:01:02,015 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 22:01:02,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 22:01:02,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 22:01:02,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 22:01:02,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 22:01:02,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 22:01:02,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 22:01:02,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 22:01:02,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 22:01:02,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 22:01:02,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 22:01:02,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 22:01:02,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 22:01:02,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 22:01:02,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 22:01:02,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 22:01:02,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 22:01:02,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 22:01:02,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 22:01:02,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 22:01:02,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 22:01:02,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 22:01:02,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 22:01:02,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 22:01:02,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 22:01:02,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 22:01:02,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 22:01:02,078 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 22:01:02,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label21.c [2019-08-09 22:01:02,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e1a06308/915815655fdb4c7e8a36aad523d275c2/FLAG451d81af5 [2019-08-09 22:01:02,803 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 22:01:02,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label21.c [2019-08-09 22:01:02,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e1a06308/915815655fdb4c7e8a36aad523d275c2/FLAG451d81af5 [2019-08-09 22:01:02,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e1a06308/915815655fdb4c7e8a36aad523d275c2 [2019-08-09 22:01:02,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 22:01:02,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 22:01:02,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 22:01:02,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 22:01:02,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 22:01:02,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 10:01:02" (1/1) ... [2019-08-09 22:01:02,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fadc81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:02, skipping insertion in model container [2019-08-09 22:01:02,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 10:01:02" (1/1) ... [2019-08-09 22:01:02,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 22:01:03,064 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 22:01:03,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 22:01:03,764 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 22:01:04,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 22:01:04,230 INFO L192 MainTranslator]: Completed translation [2019-08-09 22:01:04,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04 WrapperNode [2019-08-09 22:01:04,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 22:01:04,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 22:01:04,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 22:01:04,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 22:01:04,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (1/1) ... [2019-08-09 22:01:04,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 22:01:04,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 22:01:04,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 22:01:04,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 22:01:04,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 10:01:04" (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 22:01:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 22:01:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 22:01:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 22:01:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 22:01:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 22:01:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 22:01:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 22:01:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 22:01:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 22:01:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 22:01:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 22:01:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 22:01:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 22:01:06,872 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 22:01:06,873 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 22:01:06,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 10:01:06 BoogieIcfgContainer [2019-08-09 22:01:06,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 22:01:06,877 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 22:01:06,877 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 22:01:06,877 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 22:01:06,878 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 10:01:06" (1/1) ... [2019-08-09 22:01:39,677 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7290 conjuctions. This might take some time... [2019-08-09 22:02:47,330 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-09 22:03:15,197 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 22:03:31,039 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 22:03:36,589 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 22:05:27,018 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 22:05:37,396 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 22:05:41,973 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 22:06:14,561 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...