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_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:03:35,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:03:35,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:03:35,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:03:35,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:03:35,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:03:35,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:03:35,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:03:35,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:03:35,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:03:35,940 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:03:35,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:03:35,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:03:35,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:03:35,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:03:35,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:03:35,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:03:35,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:03:35,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:03:35,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:03:35,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:03:35,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:03:35,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:03:35,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:03:35,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:03:35,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:03:35,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:03:35,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:03:35,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:03:35,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:03:35,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:03:35,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:03:35,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:03:35,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:03:35,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:03:35,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:03:35,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:03:35,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:03:35,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:03:35,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:03:35,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:03:35,965 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 13:03:35,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:03:35,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:03:35,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:03:35,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:03:35,981 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:03:35,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:03:35,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:03:35,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:03:35,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:03:35,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:03:35,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:03:35,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:03:35,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:03:35,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:03:35,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:03:35,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:03:35,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:03:35,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:03:35,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:03:35,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:03:35,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:03:35,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:03:35,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:03:35,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:03:35,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:03:35,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:03:35,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:03:35,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:03:35,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:03:36,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:03:36,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:03:36,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:03:36,036 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:03:36,036 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:03:36,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label17.c [2019-08-14 13:03:36,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0067efdae/efe91548835a4f01a78a683612351c87/FLAG3eae50a6d [2019-08-14 13:03:36,877 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:03:36,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label17.c [2019-08-14 13:03:36,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0067efdae/efe91548835a4f01a78a683612351c87/FLAG3eae50a6d [2019-08-14 13:03:36,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0067efdae/efe91548835a4f01a78a683612351c87 [2019-08-14 13:03:36,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:03:36,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:03:36,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:03:36,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:03:36,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:03:36,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7374d6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36, skipping insertion in model container [2019-08-14 13:03:36,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:03:37,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:03:38,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:03:38,680 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:03:39,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:03:39,414 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:03:39,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39 WrapperNode [2019-08-14 13:03:39,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:03:39,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:03:39,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:03:39,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:03:39,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (1/1) ... [2019-08-14 13:03:39,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:03:39,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:03:39,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:03:39,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:03:39,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:39" (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 13:03:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:03:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:03:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:03:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:03:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:03:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:03:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:03:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:03:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:03:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:03:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:03:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:03:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:03:45,148 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:03:45,153 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:03:45,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:03:45 BoogieIcfgContainer [2019-08-14 13:03:45,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:03:45,159 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:03:45,160 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:03:45,160 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:03:45,161 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:03:45" (1/1) ... [2019-08-14 13:04:47,469 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:04:54,300 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:05:06,608 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:07:34,942 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:07:41,928 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:07:53,841 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:08:51,120 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:14:01,150 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:14:13,313 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:14:17,209 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:16:39,860 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:16:51,839 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:16:55,548 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:17:46,017 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...