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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:12:34,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:12:34,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:12:34,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:12:34,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:12:34,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:12:34,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:12:34,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:12:34,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:12:34,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:12:34,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:12:34,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:12:34,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:12:34,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:12:34,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:12:34,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:12:34,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:12:34,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:12:34,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:12:34,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:12:34,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:12:34,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:12:34,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:12:34,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:12:34,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:12:34,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:12:34,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:12:34,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:12:34,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:12:34,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:12:34,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:12:34,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:12:34,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:12:34,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:12:34,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:12:34,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:12:34,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:12:34,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:12:34,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:12:34,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:12:34,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:12:34,323 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 [2019-09-18 03:12:34,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:12:34,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:12:34,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:12:34,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:12:34,339 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:12:34,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:12:34,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:12:34,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:12:34,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:12:34,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:12:34,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:12:34,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:12:34,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:12:34,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:12:34,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:12:34,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:12:34,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:12:34,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:12:34,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:12:34,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:12:34,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:12:34,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:12:34,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:12:34,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:12:34,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:12:34,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:12:34,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:12:34,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:12:34,344 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 -> SequenceOfStatements 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 [2019-09-18 03:12:34,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:12:34,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:12:34,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:12:34,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:12:34,394 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:12:34,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-09-18 03:12:34,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acda65c12/a19451e2dd2945e180028067f3ad2d65/FLAG9a8f05bf1 [2019-09-18 03:12:34,968 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:12:34,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-09-18 03:12:34,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acda65c12/a19451e2dd2945e180028067f3ad2d65/FLAG9a8f05bf1 [2019-09-18 03:12:35,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acda65c12/a19451e2dd2945e180028067f3ad2d65 [2019-09-18 03:12:35,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:12:35,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:12:35,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:12:35,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:12:35,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:12:35,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19460044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35, skipping insertion in model container [2019-09-18 03:12:35,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:12:35,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:12:35,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:12:35,810 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:12:35,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:12:35,920 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:12:35,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35 WrapperNode [2019-09-18 03:12:35,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:12:35,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:12:35,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:12:35,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:12:35,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:35,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:36,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:36,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:36,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (1/1) ... [2019-09-18 03:12:36,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:12:36,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:12:36,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:12:36,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:12:36,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:35" (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 [2019-09-18 03:12:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:12:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:12:36,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 03:12:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 03:12:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 03:12:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 03:12:36,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-18 03:12:36,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_last [2019-09-18 03:12:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:12:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:12:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 03:12:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 03:12:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 03:12:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 03:12:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 03:12:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 03:12:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 03:12:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 03:12:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 03:12:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 03:12:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 03:12:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 03:12:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 03:12:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 03:12:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 03:12:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 03:12:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 03:12:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 03:12:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 03:12:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 03:12:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 03:12:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 03:12:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 03:12:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 03:12:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 03:12:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 03:12:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 03:12:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 03:12:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 03:12:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 03:12:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 03:12:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 03:12:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 03:12:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 03:12:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 03:12:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 03:12:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 03:12:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 03:12:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 03:12:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 03:12:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:12:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 03:12:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 03:12:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:12:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 03:12:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 03:12:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 03:12:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 03:12:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 03:12:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 03:12:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 03:12:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 03:12:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 03:12:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 03:12:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 03:12:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 03:12:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 03:12:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 03:12:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 03:12:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:12:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:12:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-18 03:12:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_last [2019-09-18 03:12:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:12:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:12:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:12:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:12:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 03:12:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:12:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:12:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:12:36,527 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 03:12:36,708 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:12:36,708 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-18 03:12:36,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:36 BoogieIcfgContainer [2019-09-18 03:12:36,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:12:36,710 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:12:36,711 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:12:36,711 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:12:36,712 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:36" (1/1) ... [2019-09-18 03:12:36,713 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 [2019-09-18 03:12:36,735 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:12:36,735 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:12:36,743 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:12:36,751 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:12:36,753 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:12:36,899 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:12:37,236 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 03:12:38,287 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-18 03:12:38,422 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:12:38,904 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 03:12:39,075 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 03:12:39,220 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 03:12:39,361 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:12:39,510 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 03:12:39,713 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 03:12:40,017 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 03:12:40,470 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.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) 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) [2019-09-18 03:12:40,475 INFO L168 Benchmark]: Toolchain (without parser) took 5229.20 ms. Allocated memory was 142.6 MB in the beginning and 298.8 MB in the end (delta: 156.2 MB). Free memory was 89.0 MB in the beginning and 267.8 MB in the end (delta: -178.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:40,476 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:12:40,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.67 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 88.8 MB in the beginning and 161.4 MB in the end (delta: -72.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:40,477 INFO L168 Benchmark]: Boogie Preprocessor took 115.91 ms. Allocated memory is still 199.2 MB. Free memory was 161.4 MB in the beginning and 158.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:40,478 INFO L168 Benchmark]: RCFGBuilder took 671.60 ms. Allocated memory is still 199.2 MB. Free memory was 158.6 MB in the beginning and 113.9 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:40,479 INFO L168 Benchmark]: Sifa took 3762.71 ms. Allocated memory was 199.2 MB in the beginning and 298.8 MB in the end (delta: 99.6 MB). Free memory was 113.9 MB in the beginning and 267.8 MB in the end (delta: -153.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:40,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.67 ms. Allocated memory was 142.6 MB in the beginning and 199.2 MB in the end (delta: 56.6 MB). Free memory was 88.8 MB in the beginning and 161.4 MB in the end (delta: -72.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.91 ms. Allocated memory is still 199.2 MB. Free memory was 161.4 MB in the beginning and 158.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 671.60 ms. Allocated memory is still 199.2 MB. Free memory was 158.6 MB in the beginning and 113.9 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * Sifa took 3762.71 ms. Allocated memory was 199.2 MB in the beginning and 298.8 MB in the end (delta: 99.6 MB). Free memory was 113.9 MB in the beginning and 267.8 MB in the end (delta: -153.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...