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 IntervalDomain --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/list-simple/dll2c_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:53:43,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:53:43,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:53:43,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:53:43,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:53:43,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:53:43,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:53:43,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:53:43,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:53:43,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:53:43,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:53:43,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:53:43,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:53:43,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:53:43,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:53:43,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:53:43,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:53:43,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:53:43,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:53:43,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:53:43,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:53:43,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:53:43,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:53:43,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:53:43,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:53:43,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:53:43,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:53:43,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:53:43,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:53:43,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:53:43,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:53:43,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:53:43,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:53:43,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:53:43,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:53:43,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:53:43,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:53:43,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:53:43,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:53:43,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:53:43,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:53:43,294 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 [2019-09-17 09:53:43,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:53:43,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:53:43,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:53:43,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:53:43,311 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:53:43,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:53:43,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:53:43,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:53:43,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:53:43,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:53:43,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:53:43,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:53:43,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:53:43,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:53:43,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:53:43,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:53:43,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:53:43,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:53:43,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:53:43,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:53:43,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:53:43,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:53:43,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:53:43,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:53:43,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:53:43,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:53:43,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:53:43,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:53:43,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-17 09:53:43,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:53:43,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:53:43,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:53:43,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:53:43,376 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:53:43,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i [2019-09-17 09:53:43,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74861ccfb/5a1341c6b5b141039042b665f4e64d32/FLAGdb6c9d5da [2019-09-17 09:53:43,994 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:53:43,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i [2019-09-17 09:53:44,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74861ccfb/5a1341c6b5b141039042b665f4e64d32/FLAGdb6c9d5da [2019-09-17 09:53:44,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74861ccfb/5a1341c6b5b141039042b665f4e64d32 [2019-09-17 09:53:44,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:53:44,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:53:44,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:53:44,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:53:44,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:53:44,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:44,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ee50b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44, skipping insertion in model container [2019-09-17 09:53:44,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:44,307 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:53:44,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:53:44,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:53:44,832 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:53:44,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:53:44,940 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:53:44,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44 WrapperNode [2019-09-17 09:53:44,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:53:44,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:53:44,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:53:44,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:53:44,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:44,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:44,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:44,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:45,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:45,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:45,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (1/1) ... [2019-09-17 09:53:45,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:53:45,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:53:45,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:53:45,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:53:45,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:53:44" (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 [2019-09-17 09:53:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:53:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:53:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 09:53:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 09:53:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 09:53:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 09:53:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-17 09:53:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-17 09:53:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_prepend [2019-09-17 09:53:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:53:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:53:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 09:53:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 09:53:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 09:53:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 09:53:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 09:53:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 09:53:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 09:53:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 09:53:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 09:53:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 09:53:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 09:53:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 09:53:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 09:53:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 09:53:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 09:53:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 09:53:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 09:53:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 09:53:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 09:53:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 09:53:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 09:53:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 09:53:45,111 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 09:53:45,111 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 09:53:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 09:53:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 09:53:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 09:53:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 09:53:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 09:53:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 09:53:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 09:53:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 09:53:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 09:53:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 09:53:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 09:53:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 09:53:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 09:53:45,115 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 09:53:45,115 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 09:53:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 09:53:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 09:53:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 09:53:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 09:53:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 09:53:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 09:53:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 09:53:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 09:53:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 09:53:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 09:53:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 09:53:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 09:53:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 09:53:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 09:53:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 09:53:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 09:53:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 09:53:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 09:53:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 09:53:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 09:53:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 09:53:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 09:53:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 09:53:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 09:53:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 09:53:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 09:53:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 09:53:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 09:53:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 09:53:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 09:53:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 09:53:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 09:53:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 09:53:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 09:53:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 09:53:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 09:53:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 09:53:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 09:53:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:53:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-17 09:53:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-17 09:53:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_prepend [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:53:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:53:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:53:45,617 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 09:53:46,344 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:53:46,344 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 09:53:46,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:53:46 BoogieIcfgContainer [2019-09-17 09:53:46,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:53:46,346 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:53:46,346 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:53:46,347 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:53:46,348 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:53:46" (1/1) ... [2019-09-17 09:53:46,349 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 09:53:46,380 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:53:46,381 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:53:46,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:53:46,412 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:53:46,413 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:53:46,639 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 09:53:46,904 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 09:53:47,268 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:53:47,598 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-17 09:53:47,736 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-17 09:53:47,976 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-17 09:53:48,225 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 09:53:48,375 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-17 09:53:48,711 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-17 09:53:59,665 WARN L191 SmtUtils]: Spent 10.33 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-17 09:54:11,036 WARN L191 SmtUtils]: Spent 10.72 s on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 09:54:19,240 WARN L191 SmtUtils]: Spent 7.78 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 09:54:26,276 WARN L191 SmtUtils]: Spent 6.75 s on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 09:54:33,380 WARN L191 SmtUtils]: Spent 6.97 s on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 09:54:38,929 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 09:54:44,015 WARN L191 SmtUtils]: Spent 4.79 s on a formula simplification that was a NOOP. DAG size: 120 [2019-09-17 09:54:47,606 WARN L191 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 114 [2019-09-17 09:54:50,849 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 111 [2019-09-17 09:54:52,310 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 108 [2019-09-17 09:54:53,306 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2019-09-17 09:54:54,072 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2019-09-17 09:54:55,318 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 134 DAG size of output: 113 [2019-09-17 09:54:55,320 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.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) 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.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) 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) [2019-09-17 09:54:55,330 INFO L168 Benchmark]: Toolchain (without parser) took 71038.30 ms. Allocated memory was 136.3 MB in the beginning and 341.8 MB in the end (delta: 205.5 MB). Free memory was 82.5 MB in the beginning and 60.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 227.4 MB. Max. memory is 7.1 GB. [2019-09-17 09:54:55,331 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:54:55,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.02 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 82.3 MB in the beginning and 159.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:54:55,335 INFO L168 Benchmark]: Boogie Preprocessor took 80.08 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 156.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-17 09:54:55,336 INFO L168 Benchmark]: RCFGBuilder took 1324.38 ms. Allocated memory is still 198.7 MB. Free memory was 156.2 MB in the beginning and 86.7 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:54:55,336 INFO L168 Benchmark]: Sifa took 68979.79 ms. Allocated memory was 198.7 MB in the beginning and 341.8 MB in the end (delta: 143.1 MB). Free memory was 86.7 MB in the beginning and 60.6 MB in the end (delta: 26.1 MB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:54:55,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.02 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 82.3 MB in the beginning and 159.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.08 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 156.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1324.38 ms. Allocated memory is still 198.7 MB. Free memory was 156.2 MB in the beginning and 86.7 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. * Sifa took 68979.79 ms. Allocated memory was 198.7 MB in the beginning and 341.8 MB in the end (delta: 143.1 MB). Free memory was 86.7 MB in the beginning and 60.6 MB in the end (delta: 26.1 MB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...