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/Problem17_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:13:34,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:13:34,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:13:34,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:13:34,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:13:34,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:13:34,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:13:34,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:13:34,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:13:34,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:13:34,961 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:13:34,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:13:34,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:13:34,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:13:34,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:13:34,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:13:34,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:13:34,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:13:34,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:13:34,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:13:34,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:13:34,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:13:34,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:13:34,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:13:34,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 23:13:34,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 23:13:34,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 23:13:34,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 23:13:34,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 23:13:34,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 23:13:34,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:13:34,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:13:34,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:13:34,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:13:34,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:13:34,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:13:34,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:13:34,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:13:34,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:13:34,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:13:34,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:13:34,987 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 23:13:35,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:13:35,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:13:35,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:13:35,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:13:35,003 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:13:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:13:35,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:13:35,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:13:35,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:13:35,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:13:35,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:13:35,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:13:35,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:13:35,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:13:35,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:13:35,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:13:35,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:13:35,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:13:35,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:13:35,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:13:35,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:13:35,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:13:35,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:13:35,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:13:35,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:13:35,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:13:35,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:13:35,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:13:35,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:13:35,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:13:35,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:13:35,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:13:35,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:13:35,056 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:13:35,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label28.c [2019-08-09 23:13:35,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d046e1eb9/df9de08eb7cc42b0bf8888b649266bda/FLAGdb34b4b4a [2019-08-09 23:13:35,845 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:13:35,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label28.c [2019-08-09 23:13:35,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d046e1eb9/df9de08eb7cc42b0bf8888b649266bda/FLAGdb34b4b4a [2019-08-09 23:13:35,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d046e1eb9/df9de08eb7cc42b0bf8888b649266bda [2019-08-09 23:13:35,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:13:35,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:13:35,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:13:35,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:13:35,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:13:35,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:13:35" (1/1) ... [2019-08-09 23:13:35,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23308ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:35, skipping insertion in model container [2019-08-09 23:13:35,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:13:35" (1/1) ... [2019-08-09 23:13:35,984 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:13:36,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:13:37,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:13:37,417 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:13:37,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:13:37,901 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:13:37,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37 WrapperNode [2019-08-09 23:13:37,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:13:37,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:13:37,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:13:37,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:13:37,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:37,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:37,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:37,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:38,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:38,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:38,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (1/1) ... [2019-08-09 23:13:38,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:13:38,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:13:38,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:13:38,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:13:38,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:37" (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 23:13:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:13:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:13:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:13:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:13:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:13:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:13:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:13:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:13:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:13:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:13:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:13:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:13:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:13:42,478 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:13:42,479 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:13:42,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:13:42 BoogieIcfgContainer [2019-08-09 23:13:42,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:13:42,485 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:13:42,485 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:13:42,485 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:13:42,486 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:13:42" (1/1) ... [2019-08-09 23:14:08,596 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 142884 conjuctions. This might take some time...