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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 18:52:00,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 18:52:00,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 18:52:00,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 18:52:00,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 18:52:00,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 18:52:00,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 18:52:00,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 18:52:00,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 18:52:00,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 18:52:00,958 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 18:52:00,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 18:52:00,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 18:52:00,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 18:52:00,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 18:52:00,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 18:52:00,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 18:52:00,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 18:52:00,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 18:52:00,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 18:52:00,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 18:52:00,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 18:52:00,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 18:52:00,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 18:52:00,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 18:52:00,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 18:52:00,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 18:52:00,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 18:52:00,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 18:52:00,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 18:52:00,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 18:52:00,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 18:52:00,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 18:52:00,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 18:52:00,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 18:52:00,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 18:52:00,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 18:52:00,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 18:52:00,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 18:52:00,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 18:52:00,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 18:52:00,986 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 18:52:01,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 18:52:01,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 18:52:01,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 18:52:01,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 18:52:01,015 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 18:52:01,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 18:52:01,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 18:52:01,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 18:52:01,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 18:52:01,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 18:52:01,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 18:52:01,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 18:52:01,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 18:52:01,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 18:52:01,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 18:52:01,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 18:52:01,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 18:52:01,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 18:52:01,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 18:52:01,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 18:52:01,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 18:52:01,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 18:52:01,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 18:52:01,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 18:52:01,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 18:52:01,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 18:52:01,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 18:52:01,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 18:52:01,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 18:52:01,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 18:52:01,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 18:52:01,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 18:52:01,100 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 18:52:01,101 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 18:52:01,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label16.c [2019-08-09 18:52:01,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f33d239/80876f32cc314d1293871afadd0f4e23/FLAGf39767338 [2019-08-09 18:52:01,991 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 18:52:01,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label16.c [2019-08-09 18:52:02,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f33d239/80876f32cc314d1293871afadd0f4e23/FLAGf39767338 [2019-08-09 18:52:02,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f33d239/80876f32cc314d1293871afadd0f4e23 [2019-08-09 18:52:02,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 18:52:02,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 18:52:02,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 18:52:02,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 18:52:02,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 18:52:02,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:52:02" (1/1) ... [2019-08-09 18:52:02,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7856d5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:02, skipping insertion in model container [2019-08-09 18:52:02,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 06:52:02" (1/1) ... [2019-08-09 18:52:02,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 18:52:02,675 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 18:52:03,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:52:03,985 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 18:52:04,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 18:52:04,747 INFO L192 MainTranslator]: Completed translation [2019-08-09 18:52:04,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04 WrapperNode [2019-08-09 18:52:04,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 18:52:04,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 18:52:04,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 18:52:04,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 18:52:04,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:04,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:04,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:04,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:04,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:04,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:05,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (1/1) ... [2019-08-09 18:52:05,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 18:52:05,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 18:52:05,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 18:52:05,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 18:52:05,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 06:52:04" (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 18:52:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 18:52:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 18:52:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 18:52:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 18:52:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 18:52:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 18:52:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 18:52:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 18:52:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 18:52:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 18:52:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 18:52:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 18:52:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 18:52:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 18:52:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 18:52:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 18:52:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 18:52:10,840 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 18:52:10,840 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 18:52:10,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:52:10 BoogieIcfgContainer [2019-08-09 18:52:10,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 18:52:10,847 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 18:52:10,848 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 18:52:10,848 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 18:52:10,849 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 06:52:10" (1/1) ... [2019-08-09 18:53:08,594 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:53:15,059 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:53:25,442 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 18:55:54,709 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 18:56:02,212 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 18:56:14,108 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 18:57:02,963 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-09 19:02:08,259 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:02:20,686 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:02:24,746 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-09 19:04:53,361 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-09 19:05:05,415 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-09 19:05:09,107 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-09 19:05:53,848 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...