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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:59:41,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:59:41,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:59:41,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:59:41,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:59:41,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:59:41,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:59:41,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:59:41,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:59:41,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:59:41,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:59:41,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:59:41,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:59:41,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:59:41,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:59:41,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:59:41,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:59:41,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:59:41,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:59:41,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:59:41,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:59:41,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:59:41,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:59:41,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:59:41,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:59:41,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:59:41,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:59:41,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:59:41,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:59:41,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:59:41,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:59:41,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:59:41,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:59:41,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:59:41,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:59:41,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:59:41,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:59:41,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:59:41,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:59:41,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:59:41,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:59:41,189 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 [2019-09-16 17:59:41,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:59:41,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:59:41,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:59:41,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:59:41,205 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:59:41,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:59:41,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:59:41,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:59:41,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:59:41,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:59:41,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:59:41,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:59:41,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:59:41,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:59:41,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:59:41,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:59:41,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:59:41,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:59:41,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:59:41,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:59:41,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:59:41,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:59:41,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:59:41,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:59:41,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:59:41,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:59:41,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:59:41,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:59:41,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 17:59:41,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:59:41,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:59:41,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:59:41,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:59:41,257 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:59:41,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-16 17:59:41,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56b1fb41/df4e9272517640a59e2f29c5d3a956c1/FLAG7f3b94412 [2019-09-16 17:59:41,854 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:59:41,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-16 17:59:41,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56b1fb41/df4e9272517640a59e2f29c5d3a956c1/FLAG7f3b94412 [2019-09-16 17:59:42,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56b1fb41/df4e9272517640a59e2f29c5d3a956c1 [2019-09-16 17:59:42,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:59:42,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:59:42,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:59:42,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:59:42,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:59:42,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b11f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42, skipping insertion in model container [2019-09-16 17:59:42,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,174 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:59:42,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:59:42,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:59:42,697 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:59:42,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:59:42,824 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:59:42,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42 WrapperNode [2019-09-16 17:59:42,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:59:42,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:59:42,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:59:42,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:59:42,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (1/1) ... [2019-09-16 17:59:42,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:59:42,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:59:42,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:59:42,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:59:42,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:59:42" (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 [2019-09-16 17:59:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:59:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:59:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-16 17:59:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-16 17:59:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-16 17:59:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2019-09-16 17:59:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2019-09-16 17:59:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2019-09-16 17:59:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2019-09-16 17:59:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2019-09-16 17:59:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2019-09-16 17:59:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2019-09-16 17:59:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2019-09-16 17:59:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:59:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:59:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-16 17:59:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-16 17:59:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-16 17:59:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-16 17:59:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-16 17:59:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-16 17:59:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-16 17:59:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-16 17:59:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-16 17:59:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-16 17:59:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-16 17:59:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-16 17:59:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-16 17:59:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-16 17:59:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-16 17:59:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-16 17:59:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-16 17:59:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-16 17:59:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-16 17:59:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-16 17:59:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-16 17:59:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-16 17:59:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-16 17:59:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-16 17:59:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-16 17:59:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-16 17:59:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-16 17:59:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-16 17:59:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:59:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:59:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 17:59:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:59:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 17:59:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-16 17:59:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 17:59:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-16 17:59:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-16 17:59:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-16 17:59:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-16 17:59:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-16 17:59:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-16 17:59:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-16 17:59:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-16 17:59:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-16 17:59:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-16 17:59:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-16 17:59:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-16 17:59:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-16 17:59:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:59:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-16 17:59:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2019-09-16 17:59:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:59:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:59:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2019-09-16 17:59:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2019-09-16 17:59:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2019-09-16 17:59:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2019-09-16 17:59:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2019-09-16 17:59:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:59:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:59:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:59:43,830 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:59:43,830 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-09-16 17:59:43,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:59:43 BoogieIcfgContainer [2019-09-16 17:59:43,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:59:43,832 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:59:43,832 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:59:43,833 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:59:43,834 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:59:43" (1/1) ... [2019-09-16 17:59:43,835 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 17:59:43,857 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 17:59:43,857 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:59:43,866 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:59:43,874 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:59:43,876 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:59:44,045 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-16 17:59:44,427 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:44,936 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-16 17:59:45,133 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-09-16 17:59:45,265 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:45,272 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:45,280 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:45,771 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:45,781 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:45,789 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:46,120 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-16 17:59:46,296 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-16 17:59:46,439 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-16 17:59:46,578 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:59:46,717 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-16 17:59:46,838 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-16 17:59:46,973 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:46,982 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:46,990 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:47,323 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-16 17:59:47,467 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-16 17:59:47,611 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-16 17:59:47,774 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:59:47,886 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-16 17:59:48,326 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-16 17:59:48,369 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:48,390 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:48,435 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:48,444 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:48,887 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-16 17:59:49,094 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:59:49,286 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 17:59:49,545 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-16 17:59:49,593 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:49,603 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:49,612 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:49,961 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-16 17:59:50,160 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 17:59:50,331 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-16 17:59:50,503 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 17:59:50,674 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 17:59:50,823 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:59:50,966 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-16 17:59:51,562 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-16 17:59:51,746 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-16 17:59:52,064 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-16 17:59:52,257 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:52,274 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:52,293 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:52,307 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:52,726 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-16 17:59:52,924 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:59:53,240 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-16 17:59:53,434 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:53,442 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:53,450 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:59:53,837 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-16 17:59:54,020 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 17:59:54,164 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-16 17:59:54,297 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-16 17:59:54,445 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-16 17:59:54,592 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:59:54,736 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-16 17:59:54,855 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-16 17:59:55,327 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-16 17:59:55,436 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 17:59:55,555 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2019-09-16 17:59:56,820 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 17:59:57,098 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-16 17:59:57,248 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-16 17:59:57,443 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-16 17:59:57,596 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-16 17:59:57,734 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-16 17:59:57,853 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-16 17:59:58,017 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-16 17:59:58,147 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-16 17:59:58,349 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-16 17:59:58,477 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-16 17:59:58,757 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-16 17:59:58,924 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-16 18:00:01,050 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 156 DAG size of output: 144 [2019-09-16 18:00:02,975 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-09-16 18:00:04,732 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2019-09-16 18:00:06,358 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2019-09-16 18:00:06,557 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:00:06,726 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:00:08,047 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2019-09-16 18:00:09,460 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 155 DAG size of output: 145 [2019-09-16 18:00:10,834 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 147 DAG size of output: 134 [2019-09-16 18:00:11,018 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:00:11,183 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:00:12,222 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 147 DAG size of output: 129 [2019-09-16 18:00:12,389 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:00:12,564 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-16 18:00:14,103 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 175 DAG size of output: 135 [2019-09-16 18:00:14,260 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:00:14,455 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-16 18:00:15,551 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 149 DAG size of output: 128 [2019-09-16 18:00:15,805 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-16 18:00:15,987 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-16 18:00:16,233 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-16 18:00:16,436 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-16 18:00:16,960 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-16 18:00:16,962 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionReturn(PredicateTransformer.java:202) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postReturn(SymbolicTools.java:147) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:232) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-16 18:00:16,971 INFO L168 Benchmark]: Toolchain (without parser) took 34811.04 ms. Allocated memory was 132.1 MB in the beginning and 506.5 MB in the end (delta: 374.3 MB). Free memory was 84.5 MB in the beginning and 404.1 MB in the end (delta: -319.6 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:16,972 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-16 18:00:16,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.59 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 84.3 MB in the beginning and 159.8 MB in the end (delta: -75.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:16,975 INFO L168 Benchmark]: Boogie Preprocessor took 77.10 ms. Allocated memory is still 199.8 MB. Free memory was 159.8 MB in the beginning and 156.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:16,977 INFO L168 Benchmark]: RCFGBuilder took 929.14 ms. Allocated memory is still 199.8 MB. Free memory was 156.2 MB in the beginning and 82.0 MB in the end (delta: 74.2 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2019-09-16 18:00:16,977 INFO L168 Benchmark]: Sifa took 33134.24 ms. Allocated memory was 199.8 MB in the beginning and 506.5 MB in the end (delta: 306.7 MB). Free memory was 82.0 MB in the beginning and 404.1 MB in the end (delta: -322.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 18:00:16,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.59 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 84.3 MB in the beginning and 159.8 MB in the end (delta: -75.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.10 ms. Allocated memory is still 199.8 MB. Free memory was 159.8 MB in the beginning and 156.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 929.14 ms. Allocated memory is still 199.8 MB. Free memory was 156.2 MB in the beginning and 82.0 MB in the end (delta: 74.2 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * Sifa took 33134.24 ms. Allocated memory was 199.8 MB in the beginning and 506.5 MB in the end (delta: 306.7 MB). Free memory was 82.0 MB in the beginning and 404.1 MB in the end (delta: -322.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...