java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:12:01,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:12:01,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:12:01,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:12:01,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:12:01,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:12:01,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:12:01,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:12:01,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:12:01,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:12:01,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:12:01,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:12:01,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:12:01,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:12:01,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:12:01,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:12:01,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:12:01,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:12:01,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:12:01,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:12:01,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:12:01,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:12:01,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:12:01,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:12:01,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:12:01,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:12:01,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:12:01,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:12:01,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:12:01,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:12:01,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:12:01,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:12:01,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:12:01,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:12:01,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:12:01,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:12:01,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:12:01,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:12:01,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:12:01,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:12:01,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:12:01,341 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 [2019-09-21 09:12:01,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:12:01,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:12:01,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:12:01,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:12:01,364 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:12:01,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:12:01,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:12:01,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:12:01,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:12:01,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:12:01,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:12:01,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:12:01,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:12:01,368 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:12:01,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:12:01,369 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:12:01,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:12:01,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:12:01,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:12:01,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:12:01,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:12:01,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:12:01,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:12:01,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:12:01,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:12:01,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:12:01,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:12:01,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:12:01,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:12:01,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:12:01,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:12:01,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:12:01,447 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:12:01,448 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:12:01,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-21 09:12:01,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2106c75d5/bf21c0114c8e4cf7b18881a5e54bfcde/FLAGb3ba45775 [2019-09-21 09:12:02,008 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:12:02,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-21 09:12:02,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2106c75d5/bf21c0114c8e4cf7b18881a5e54bfcde/FLAGb3ba45775 [2019-09-21 09:12:02,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2106c75d5/bf21c0114c8e4cf7b18881a5e54bfcde [2019-09-21 09:12:02,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:12:02,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:12:02,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:02,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:12:02,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:12:02,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4baa6c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02, skipping insertion in model container [2019-09-21 09:12:02,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:12:02,427 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:12:02,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:02,907 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:12:02,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:03,025 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:12:03,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03 WrapperNode [2019-09-21 09:12:03,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:03,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:12:03,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:12:03,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:12:03,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:12:03,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:12:03,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:12:03,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:12:03,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:03" (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 [2019-09-21 09:12:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:12:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:12:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:12:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:12:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:12:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:12:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:12:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:12:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:12:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:12:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:12:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:12:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:12:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:12:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:12:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:12:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:12:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:12:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:12:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:12:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:12:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:12:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:12:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:12:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:12:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:12:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:12:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:12:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:12:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:12:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:12:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:12:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:12:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:12:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:12:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:12:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:12:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:12:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:12:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:12:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:12:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:12:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:12:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:12:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:12:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:12:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:12:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:12:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:12:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:12:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:12:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:12:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:12:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:12:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:12:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:12:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:12:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:12:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:12:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:12:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:12:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:12:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:12:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:12:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:12:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:12:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:12:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:12:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:12:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:12:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:12:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:12:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:12:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:12:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:12:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:12:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:12:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:12:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:12:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:12:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:12:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:12:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:12:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:12:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:12:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:12:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:12:04,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:12:04,006 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-21 09:12:04,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:04 BoogieIcfgContainer [2019-09-21 09:12:04,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:12:04,008 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:12:04,008 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:12:04,009 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:12:04,011 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:04" (1/1) ... [2019-09-21 09:12:04,012 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:12:04,052 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-21 09:12:04,053 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:12:04,064 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:12:04,077 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:12:04,078 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:12:04,265 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 09:12:12,846 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:12:12,847 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:12:12,850 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 7858#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-21 09:12:12,850 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 7759#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-21 09:12:12,850 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 6582#(and (<= 0 main_~head~0.base) (<= 2 main_~status~0) (<= main_~status~0 2) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:12:12,851 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 7958#(and (<= 2 main_~status~0) (<= main_~status~0 2)) [2019-09-21 09:12:12,852 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 7521#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-21 09:12:12,852 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 6522#(and (<= 2 main_~status~0) (<= main_~status~0 2)) [2019-09-21 09:12:12,853 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 7990#(and (<= 3 main_~status~0) (<= main_~status~0 3)) [2019-09-21 09:12:12,853 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 7910#true [2019-09-21 09:12:12,854 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 4241#(and (<= 0 main_~item~0.base) (<= main_~item~0.base 0) (<= 0 main_~item~0.offset) (<= main_~item~0.offset 0)) [2019-09-21 09:12:12,854 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 6570#(and (<= main_~status~0 1) (<= 1 main_~status~0)) [2019-09-21 09:12:12,860 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 6592#(and (<= 0 main_~head~0.base) (<= main_~status~0 1) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 1 main_~status~0) (<= 0 main_~head~0.offset)) [2019-09-21 09:12:12,860 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 65#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:12:12,862 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 4799#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:12:12,862 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 8012#(and (<= 0 main_~head~0.base) (<= 3 main_~status~0) (<= main_~status~0 3) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)) [2019-09-21 09:12:12,885 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:12:12,886 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:12:12,887 INFO L168 Benchmark]: Toolchain (without parser) took 10539.99 ms. Allocated memory was 141.0 MB in the beginning and 414.2 MB in the end (delta: 273.2 MB). Free memory was 87.5 MB in the beginning and 224.7 MB in the end (delta: -137.2 MB). Peak memory consumption was 135.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:12,888 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:12:12,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.64 ms. Allocated memory was 141.0 MB in the beginning and 197.7 MB in the end (delta: 56.6 MB). Free memory was 87.3 MB in the beginning and 162.1 MB in the end (delta: -74.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:12,889 INFO L168 Benchmark]: Boogie Preprocessor took 80.38 ms. Allocated memory is still 197.7 MB. Free memory was 162.1 MB in the beginning and 159.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:12,890 INFO L168 Benchmark]: RCFGBuilder took 899.50 ms. Allocated memory is still 197.7 MB. Free memory was 159.0 MB in the beginning and 94.4 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:12,890 INFO L168 Benchmark]: Sifa took 8877.58 ms. Allocated memory was 197.7 MB in the beginning and 414.2 MB in the end (delta: 216.5 MB). Free memory was 94.4 MB in the beginning and 224.7 MB in the end (delta: -130.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:12,899 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 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.64 ms. Allocated memory was 141.0 MB in the beginning and 197.7 MB in the end (delta: 56.6 MB). Free memory was 87.3 MB in the beginning and 162.1 MB in the end (delta: -74.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.38 ms. Allocated memory is still 197.7 MB. Free memory was 162.1 MB in the beginning and 159.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 899.50 ms. Allocated memory is still 197.7 MB. Free memory was 159.0 MB in the beginning and 94.4 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. * Sifa took 8877.58 ms. Allocated memory was 197.7 MB in the beginning and 414.2 MB in the end (delta: 216.5 MB). Free memory was 94.4 MB in the beginning and 224.7 MB in the end (delta: -130.3 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 8810, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 7794, DAG_INTERPRETER_EARLY_EXITS: 1010, TOOLS_POST_APPLICATIONS: 6213, TOOLS_POST_TIME[ms]: 5155, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 5925, TOOLS_QUANTIFIERELIM_TIME[ms]: 4828, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2186, FLUID_QUERY_TIME[ms]: 59, FLUID_QUERIES: 8739, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1792, DOMAIN_JOIN_TIME[ms]: 725, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 945, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 2312, DOMAIN_ISBOTTOM_TIME[ms]: 1286, LOOP_SUMMARIZER_APPLICATIONS: 943, LOOP_SUMMARIZER_CACHE_MISSES: 943, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5643, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5631, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 945, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 117, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 116, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 58, DAG_COMPRESSION_TIME[ms]: 1027, DAG_COMPRESSION_PROCESSED_NODES: 54724, DAG_COMPRESSION_RETAINED_NODES: 18837 - UnprovableResult [Line: 1033]: 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 7858#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1034]: 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 7759#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1025]: 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 6582#(and (<= 0 main_~head~0.base) (<= 2 main_~status~0) (<= main_~status~0 2) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1027]: 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 7958#(and (<= 2 main_~status~0) (<= main_~status~0 2)). Possible FailurePath: - UnprovableResult [Line: 1035]: 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 7521#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1026]: 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 6522#(and (<= 2 main_~status~0) (<= main_~status~0 2)). Possible FailurePath: - UnprovableResult [Line: 1032]: 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 7990#(and (<= 3 main_~status~0) (<= main_~status~0 3)). Possible FailurePath: - UnprovableResult [Line: 1042]: 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 7910#true. Possible FailurePath: - UnprovableResult [Line: 1014]: 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 4241#(and (<= 0 main_~item~0.base) (<= main_~item~0.base 0) (<= 0 main_~item~0.offset) (<= main_~item~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1021]: 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 6570#(and (<= main_~status~0 1) (<= 1 main_~status~0)). Possible FailurePath: - UnprovableResult [Line: 1020]: 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 6592#(and (<= 0 main_~head~0.base) (<= main_~status~0 1) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 1 main_~status~0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1013]: 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 65#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1017]: 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 4799#(and (<= 0 main_~head~0.base) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: - UnprovableResult [Line: 1031]: 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 8012#(and (<= 0 main_~head~0.base) (<= 3 main_~status~0) (<= main_~status~0 3) (<= main_~head~0.offset 0) (<= main_~head~0.base 0) (<= 0 main_~head~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...