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/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 05:14:16,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 05:14:16,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 05:14:16,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 05:14:16,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 05:14:16,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 05:14:16,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 05:14:16,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 05:14:16,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 05:14:16,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 05:14:16,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 05:14:16,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 05:14:16,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 05:14:16,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 05:14:16,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 05:14:16,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 05:14:16,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 05:14:16,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 05:14:16,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 05:14:16,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 05:14:16,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 05:14:16,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 05:14:16,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 05:14:16,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 05:14:16,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 05:14:16,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 05:14:16,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 05:14:16,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 05:14:16,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 05:14:16,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 05:14:16,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 05:14:16,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 05:14:16,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 05:14:16,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 05:14:16,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 05:14:16,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 05:14:16,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 05:14:16,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 05:14:16,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 05:14:16,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 05:14:16,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 05:14:16,436 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 [2019-10-15 05:14:16,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 05:14:16,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 05:14:16,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 05:14:16,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 05:14:16,451 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 05:14:16,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 05:14:16,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 05:14:16,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 05:14:16,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 05:14:16,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 05:14:16,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 05:14:16,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 05:14:16,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 05:14:16,453 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 05:14:16,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 05:14:16,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 05:14:16,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 05:14:16,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 05:14:16,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 05:14:16,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 05:14:16,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 05:14:16,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 05:14:16,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 05:14:16,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 05:14:16,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 05:14:16,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 05:14:16,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 05:14:16,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 05:14:16,456 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 [2019-10-15 05:14:16,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 05:14:16,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 05:14:16,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 05:14:16,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 05:14:16,743 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 05:14:16,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-10-15 05:14:16,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28771697e/23f3419ce19c421ab319b3d88469a9d8/FLAG6e6cc0401 [2019-10-15 05:14:17,329 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 05:14:17,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-10-15 05:14:17,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28771697e/23f3419ce19c421ab319b3d88469a9d8/FLAG6e6cc0401 [2019-10-15 05:14:17,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28771697e/23f3419ce19c421ab319b3d88469a9d8 [2019-10-15 05:14:17,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 05:14:17,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 05:14:17,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 05:14:17,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 05:14:17,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 05:14:17,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:14:17" (1/1) ... [2019-10-15 05:14:17,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fb5a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:17, skipping insertion in model container [2019-10-15 05:14:17,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:14:17" (1/1) ... [2019-10-15 05:14:17,683 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 05:14:17,727 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 05:14:18,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 05:14:18,147 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 05:14:18,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 05:14:18,237 INFO L192 MainTranslator]: Completed translation [2019-10-15 05:14:18,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18 WrapperNode [2019-10-15 05:14:18,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 05:14:18,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 05:14:18,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 05:14:18,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 05:14:18,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (1/1) ... [2019-10-15 05:14:18,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 05:14:18,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 05:14:18,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 05:14:18,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 05:14:18,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:14:18" (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 [2019-10-15 05:14:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 05:14:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 05:14:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 05:14:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 05:14:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 05:14:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 05:14:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 05:14:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 05:14:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 05:14:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 05:14:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 05:14:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 05:14:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 05:14:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 05:14:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 05:14:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 05:14:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 05:14:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 05:14:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 05:14:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 05:14:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 05:14:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 05:14:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 05:14:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 05:14:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 05:14:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 05:14:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 05:14:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 05:14:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 05:14:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 05:14:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 05:14:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 05:14:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 05:14:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 05:14:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 05:14:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 05:14:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 05:14:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 05:14:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 05:14:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 05:14:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 05:14:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 05:14:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 05:14:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 05:14:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 05:14:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 05:14:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 05:14:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 05:14:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 05:14:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 05:14:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 05:14:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 05:14:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 05:14:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 05:14:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 05:14:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 05:14:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 05:14:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 05:14:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 05:14:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 05:14:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 05:14:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 05:14:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 05:14:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 05:14:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 05:14:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 05:14:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 05:14:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 05:14:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 05:14:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 05:14:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 05:14:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 05:14:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 05:14:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 05:14:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 05:14:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 05:14:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 05:14:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 05:14:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 05:14:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 05:14:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 05:14:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 05:14:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 05:14:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 05:14:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 05:14:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 05:14:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 05:14:19,005 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 05:14:19,005 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-15 05:14:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:14:19 BoogieIcfgContainer [2019-10-15 05:14:19,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 05:14:19,007 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 05:14:19,007 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 05:14:19,008 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 05:14:19,009 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:14:19" (1/1) ... [2019-10-15 05:14:19,009 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 [2019-10-15 05:14:19,033 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-10-15 05:14:19,033 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 05:14:19,041 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 05:14:19,049 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 05:14:19,050 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 05:14:19,223 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-15 05:14:25,924 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 05:14:25,941 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 05:14:25,942 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 05:14:25,944 INFO L168 Benchmark]: Toolchain (without parser) took 8272.73 ms. Allocated memory was 142.1 MB in the beginning and 288.4 MB in the end (delta: 146.3 MB). Free memory was 100.3 MB in the beginning and 110.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 135.9 MB. Max. memory is 7.1 GB. [2019-10-15 05:14:25,945 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 142.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 05:14:25,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.35 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 100.1 MB in the beginning and 170.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-15 05:14:25,946 INFO L168 Benchmark]: Boogie Preprocessor took 60.79 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 167.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-10-15 05:14:25,946 INFO L168 Benchmark]: RCFGBuilder took 707.26 ms. Allocated memory is still 202.9 MB. Free memory was 166.4 MB in the beginning and 120.2 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-10-15 05:14:25,947 INFO L168 Benchmark]: Sifa took 6934.51 ms. Allocated memory was 202.9 MB in the beginning and 288.4 MB in the end (delta: 85.5 MB). Free memory was 120.2 MB in the beginning and 110.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-10-15 05:14:25,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 142.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 566.35 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 100.1 MB in the beginning and 170.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.79 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 167.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 707.26 ms. Allocated memory is still 202.9 MB. Free memory was 166.4 MB in the beginning and 120.2 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * Sifa took 6934.51 ms. Allocated memory was 202.9 MB in the beginning and 288.4 MB in the end (delta: 85.5 MB). Free memory was 120.2 MB in the beginning and 110.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 95.1 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]: 6892, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 359, DAG_INTERPRETER_EARLY_EXITS: 15, TOOLS_POST_APPLICATIONS: 303, TOOLS_POST_TIME[ms]: 4218, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 297, TOOLS_QUANTIFIERELIM_TIME[ms]: 4144, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 416, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 392, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 128, DOMAIN_JOIN_TIME[ms]: 390, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 33, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 86, DOMAIN_ISBOTTOM_TIME[ms]: 2058, LOOP_SUMMARIZER_APPLICATIONS: 29, LOOP_SUMMARIZER_CACHE_MISSES: 29, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5002, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5000, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 33, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 124, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 124, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 65, DAG_COMPRESSION_PROCESSED_NODES: 1081, DAG_COMPRESSION_RETAINED_NODES: 419 - UnprovableResult [Line: 1012]: 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 922#(and (<= 0 main_~x~0.base) (= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0) (<= 0 main_~x~0.offset)). 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 442#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))). Possible FailurePath: - UnprovableResult [Line: 1017]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 781#(and (<= 0 main_~x~0.base) (= 0 main_~x~0.base) (exists ((v_main_~x~0.offset_37 Int) (v_main_~x~0.base_39 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_39) (+ v_main_~x~0.offset_37 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (= main_~x~0.offset 0) (<= 0 main_~x~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...