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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:12:20,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:12:20,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:12:20,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:12:20,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:12:20,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:12:20,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:12:20,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:12:20,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:12:20,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:12:20,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:12:20,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:12:20,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:12:20,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:12:20,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:12:20,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:12:20,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:12:20,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:12:20,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:12:20,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:12:20,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:12:20,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:12:20,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:12:20,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:12:20,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:12:20,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:12:20,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:12:20,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:12:20,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:12:20,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:12:20,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:12:20,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:12:20,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:12:20,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:12:20,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:12:20,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:12:20,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:12:20,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:12:20,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:12:20,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:12:20,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:12:20,413 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 [2019-10-04 09:12:20,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:12:20,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:12:20,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:12:20,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:12:20,429 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:12:20,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:12:20,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:12:20,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:12:20,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:12:20,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:12:20,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:12:20,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:12:20,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:12:20,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:12:20,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:12:20,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:12:20,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:12:20,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:12:20,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:12:20,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:12:20,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:12:20,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:12:20,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:12:20,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:12:20,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:12:20,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:12:20,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:12:20,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:12:20,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:12:20,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:12:20,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:12:20,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:12:20,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:12:20,500 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:12:20,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-10-04 09:12:20,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdea3f44/94b72553289e4af28b411c799b33a846/FLAG23dfe60c4 [2019-10-04 09:12:21,171 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:12:21,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-10-04 09:12:21,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdea3f44/94b72553289e4af28b411c799b33a846/FLAG23dfe60c4 [2019-10-04 09:12:21,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdea3f44/94b72553289e4af28b411c799b33a846 [2019-10-04 09:12:21,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:12:21,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:12:21,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:12:21,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:12:21,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:12:21,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:12:21" (1/1) ... [2019-10-04 09:12:21,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1dcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:21, skipping insertion in model container [2019-10-04 09:12:21,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:12:21" (1/1) ... [2019-10-04 09:12:21,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:12:21,481 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:12:21,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:12:21,941 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:12:21,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:12:22,054 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:12:22,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22 WrapperNode [2019-10-04 09:12:22,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:12:22,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:12:22,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:12:22,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:12:22,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:12:22,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:12:22,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:12:22,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:12:22,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:12:22" (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 [2019-10-04 09:12:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:12:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:12:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-04 09:12:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-04 09:12:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-04 09:12:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-04 09:12:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-04 09:12:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-10-04 09:12:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-10-04 09:12:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:12:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:12:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-04 09:12:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-04 09:12:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-04 09:12:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-04 09:12:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-04 09:12:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-04 09:12:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-04 09:12:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-04 09:12:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-04 09:12:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-04 09:12:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-04 09:12:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-04 09:12:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-04 09:12:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-04 09:12:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-04 09:12:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-04 09:12:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-04 09:12:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-04 09:12:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-04 09:12:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-04 09:12:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-04 09:12:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-04 09:12:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-04 09:12:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-04 09:12:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-04 09:12:22,208 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-04 09:12:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-04 09:12:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-04 09:12:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-04 09:12:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-04 09:12:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-04 09:12:22,209 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-04 09:12:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-04 09:12:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-04 09:12:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-04 09:12:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-04 09:12:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-04 09:12:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-04 09:12:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-04 09:12:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-04 09:12:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-04 09:12:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-04 09:12:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-04 09:12:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-04 09:12:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-04 09:12:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-04 09:12:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 09:12:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-04 09:12:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-04 09:12:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 09:12:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-04 09:12:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-04 09:12:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-04 09:12:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-04 09:12:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-04 09:12:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-04 09:12:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-04 09:12:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-04 09:12:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-04 09:12:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-04 09:12:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-04 09:12:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-04 09:12:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-04 09:12:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-04 09:12:22,218 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-04 09:12:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-04 09:12:22,219 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-04 09:12:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-04 09:12:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-04 09:12:22,220 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-04 09:12:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-04 09:12:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-04 09:12:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-04 09:12:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-04 09:12:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-04 09:12:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-04 09:12:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-04 09:12:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-04 09:12:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-04 09:12:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-04 09:12:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-04 09:12:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-04 09:12:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-04 09:12:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 09:12:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 09:12:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 09:12:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-04 09:12:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-10-04 09:12:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 09:12:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 09:12:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-10-04 09:12:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:12:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 09:12:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-04 09:12:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 09:12:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:12:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:12:22,660 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-04 09:12:22,958 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:12:22,959 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-04 09:12:22,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:12:22 BoogieIcfgContainer [2019-10-04 09:12:22,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:12:22,961 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:12:22,961 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:12:22,962 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:12:22,963 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:12:22" (1/1) ... [2019-10-04 09:12:22,964 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 09:12:22,995 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:12:22,995 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:12:23,006 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:12:23,018 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:12:23,020 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:12:23,218 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-04 09:12:23,405 WARN L98 DagInterpreter]: A function never reaches its return [2019-10-04 09:12:23,541 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 09:12:24,576 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:12:24,577 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:12:24,579 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 129#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= main_~uneq~0 5) (<= 0 |main_~#s~0.offset|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= |main_~#s~0.offset| 0) (<= 1 main_~count~0) (= |main_~#s~0.offset| 0) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~uneq~0 5) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (<= 0 |main_~#s~0.offset|) (<= 0 |#NULL.offset|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= main_~uneq~0 5) (= main_~len~0 2) (< |main_~#s~0.base| |#StackHeapBarrier|) (<= |#NULL.base| 0) (<= main_~uneq~0 5) (= main_~data~0 1) (<= main_~len~0 2) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= |main_~#s~0.offset| 0) (not (= main_~uneq~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= |main_~#s~0.offset| 0) (<= main_~data~0 1) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)))) (<= 5 main_~uneq~0) (<= 2 main_~len~0)) [2019-10-04 09:12:24,603 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:12:24,603 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:12:24,605 INFO L168 Benchmark]: Toolchain (without parser) took 3188.51 ms. Allocated memory was 130.5 MB in the beginning and 270.0 MB in the end (delta: 139.5 MB). Free memory was 85.3 MB in the beginning and 219.7 MB in the end (delta: -134.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:12:24,605 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:12:24,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.10 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.1 MB in the beginning and 159.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-04 09:12:24,616 INFO L168 Benchmark]: Boogie Preprocessor took 81.35 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-10-04 09:12:24,619 INFO L168 Benchmark]: RCFGBuilder took 823.32 ms. Allocated memory is still 198.7 MB. Free memory was 156.2 MB in the beginning and 103.5 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2019-10-04 09:12:24,620 INFO L168 Benchmark]: Sifa took 1641.62 ms. Allocated memory was 198.7 MB in the beginning and 270.0 MB in the end (delta: 71.3 MB). Free memory was 102.9 MB in the beginning and 219.7 MB in the end (delta: -116.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 09:12:24,630 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 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.10 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.1 MB in the beginning and 159.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.35 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 823.32 ms. Allocated memory is still 198.7 MB. Free memory was 156.2 MB in the beginning and 103.5 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. * Sifa took 1641.62 ms. Allocated memory was 198.7 MB in the beginning and 270.0 MB in the end (delta: 71.3 MB). Free memory was 102.9 MB in the beginning and 219.7 MB in the end (delta: -116.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1584, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 40, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 29, TOOLS_POST_TIME[ms]: 759, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 167, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 148, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 1042, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 190, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 45, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 310, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 70, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 845, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 844, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1135, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1134, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 51 - UnprovableResult [Line: 618]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 129#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= main_~uneq~0 5) (<= 0 |main_~#s~0.offset|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= |main_~#s~0.offset| 0) (<= 1 main_~count~0) (= |main_~#s~0.offset| 0) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~uneq~0 5) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (<= 0 |main_~#s~0.offset|) (<= 0 |#NULL.offset|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= main_~uneq~0 5) (= main_~len~0 2) (< |main_~#s~0.base| |#StackHeapBarrier|) (<= |#NULL.base| 0) (<= main_~uneq~0 5) (= main_~data~0 1) (<= main_~len~0 2) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= |main_~#s~0.offset| 0) (not (= main_~uneq~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= |main_~#s~0.offset| 0) (<= main_~data~0 1) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)))) (<= 5 main_~uneq~0) (<= 2 main_~len~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...