/usr/bin/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_append_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:07:31,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:07:31,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:07:31,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:07:31,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:07:31,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:07:31,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:07:31,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:07:31,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:07:31,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:07:31,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:07:31,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:07:31,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:07:31,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:07:31,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:07:31,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:07:31,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:07:31,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:07:31,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:07:31,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:07:31,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:07:31,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:07:31,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:07:31,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:07:31,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:07:31,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:07:31,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:07:31,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:07:31,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:07:31,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:07:31,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:07:31,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:07:31,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:07:31,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:07:31,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:07:31,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:07:31,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:07:31,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:07:31,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:07:31,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:07:31,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:07:31,129 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 [2019-11-07 10:07:31,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:07:31,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:07:31,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:07:31,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:07:31,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:07:31,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:07:31,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:07:31,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:07:31,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:07:31,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:07:31,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:07:31,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:07:31,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:07:31,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:07:31,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:07:31,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:07:31,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:07:31,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:07:31,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:07:31,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:07:31,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:07:31,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:07:31,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:07:31,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:07:31,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:07:31,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:07:31,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:07:31,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:07:31,174 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 [2019-11-07 10:07:31,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:07:31,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:07:31,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:07:31,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:07:31,480 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:07:31,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_append_equal.i [2019-11-07 10:07:31,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6190cc5d4/3e5be8b47a4440dea5db2f8958bbcd29/FLAG82bc4727d [2019-11-07 10:07:32,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:07:32,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_append_equal.i [2019-11-07 10:07:32,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6190cc5d4/3e5be8b47a4440dea5db2f8958bbcd29/FLAG82bc4727d [2019-11-07 10:07:32,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6190cc5d4/3e5be8b47a4440dea5db2f8958bbcd29 [2019-11-07 10:07:32,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:07:32,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:07:32,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:07:32,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:07:32,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:07:32,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:32,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9c25d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32, skipping insertion in model container [2019-11-07 10:07:32,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:32,380 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:07:32,438 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:07:32,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:07:32,874 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:07:32,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:07:32,984 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:07:32,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32 WrapperNode [2019-11-07 10:07:32,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:07:32,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:07:32,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:07:32,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:07:32,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:32,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:33,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:33,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:33,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:33,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:33,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (1/1) ... [2019-11-07 10:07:33,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:07:33,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:07:33,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:07:33,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:07:33,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:32" (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 [2019-11-07 10:07:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:07:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:07:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 10:07:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 10:07:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 10:07:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 10:07:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-07 10:07:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-07 10:07:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_append [2019-11-07 10:07:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:07:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:07:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 10:07:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 10:07:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 10:07:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 10:07:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 10:07:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 10:07:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 10:07:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 10:07:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 10:07:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 10:07:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 10:07:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 10:07:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 10:07:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 10:07:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 10:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 10:07:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 10:07:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 10:07:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 10:07:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 10:07:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 10:07:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 10:07:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 10:07:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 10:07:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 10:07:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 10:07:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 10:07:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 10:07:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:07:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 10:07:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 10:07:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:07:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 10:07:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 10:07:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 10:07:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 10:07:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 10:07:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 10:07:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 10:07:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 10:07:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 10:07:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 10:07:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 10:07:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 10:07:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 10:07:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 10:07:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 10:07:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:07:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure sll_append [2019-11-07 10:07:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:07:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:07:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 10:07:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:07:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:07:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:07:33,441 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 10:07:33,757 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:07:33,757 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 10:07:33,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:07:33 BoogieIcfgContainer [2019-11-07 10:07:33,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:07:33,760 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:07:33,760 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:07:33,761 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:07:33,762 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:07:33" (1/1) ... [2019-11-07 10:07:33,763 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 [2019-11-07 10:07:33,802 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:07:33,803 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:07:33,825 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:07:33,836 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:07:33,837 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:07:34,010 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 10:07:34,371 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:07:35,277 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:07:35,300 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:07:35,300 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:07:35,303 INFO L168 Benchmark]: Toolchain (without parser) took 2942.35 ms. Allocated memory was 140.0 MB in the beginning and 242.7 MB in the end (delta: 102.8 MB). Free memory was 103.4 MB in the beginning and 209.4 MB in the end (delta: -106.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:07:35,305 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:07:35,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.28 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 170.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:35,312 INFO L168 Benchmark]: Boogie Preprocessor took 63.16 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:35,315 INFO L168 Benchmark]: RCFGBuilder took 710.49 ms. Allocated memory is still 204.5 MB. Free memory was 166.8 MB in the beginning and 113.6 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:07:35,319 INFO L168 Benchmark]: Sifa took 1540.59 ms. Allocated memory was 204.5 MB in the beginning and 242.7 MB in the end (delta: 38.3 MB). Free memory was 113.6 MB in the beginning and 209.4 MB in the end (delta: -95.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:07:35,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.28 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.2 MB in the beginning and 170.0 MB in the end (delta: -66.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.16 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 710.49 ms. Allocated memory is still 204.5 MB. Free memory was 166.8 MB in the beginning and 113.6 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. * Sifa took 1540.59 ms. Allocated memory was 204.5 MB in the beginning and 242.7 MB in the end (delta: 38.3 MB). Free memory was 113.6 MB in the beginning and 209.4 MB in the end (delta: -95.8 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]: 1478, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 690, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 191, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 154, TOOLS_QUANTIFIERELIM_APPLICATIONS: 57, TOOLS_QUANTIFIERELIM_TIME[ms]: 997, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 146, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 72, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 207, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 85, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 829, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 829, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1086, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1086, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 133, DAG_COMPRESSION_RETAINED_NODES: 64 - UnprovableResult [Line: 620]: 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 131#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 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) (<= 0 main_~count~0) (= |main_~#s~0.offset| 0) (<= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...