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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:28:41,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:28:41,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:28:41,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:28:41,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:28:41,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:28:41,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:28:41,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:28:41,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:28:41,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:28:41,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:28:41,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:28:41,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:28:41,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:28:41,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:28:41,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:28:41,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:28:41,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:28:41,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:28:41,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:28:41,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:28:41,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:28:41,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:28:41,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:28:41,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:28:41,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:28:41,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:28:41,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:28:41,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:28:41,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:28:41,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:28:41,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:28:41,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:28:41,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:28:41,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:28:41,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:28:41,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:28:41,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:28:41,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:28:41,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:28:41,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:28:41,515 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 [2019-09-17 16:28:41,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:28:41,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:28:41,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:28:41,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:28:41,543 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:28:41,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:28:41,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:28:41,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:28:41,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:28:41,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:28:41,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:28:41,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:28:41,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:28:41,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:28:41,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:28:41,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:28:41,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:28:41,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:28:41,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:28:41,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:28:41,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:28:41,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:28:41,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:28:41,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:28:41,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:28:41,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:28:41,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:28:41,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:28:41,550 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:28:41,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:28:41,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:28:41,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:28:41,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:28:41,617 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:28:41,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-17 16:28:41,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1919f52b6/777cf17fa82f4d6ab60b5b5b09ec9195/FLAGc17f9471d [2019-09-17 16:28:42,241 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:28:42,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-17 16:28:42,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1919f52b6/777cf17fa82f4d6ab60b5b5b09ec9195/FLAGc17f9471d [2019-09-17 16:28:42,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1919f52b6/777cf17fa82f4d6ab60b5b5b09ec9195 [2019-09-17 16:28:42,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:28:42,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:28:42,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:28:42,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:28:42,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:28:42,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:28:42" (1/1) ... [2019-09-17 16:28:42,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605515df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:42, skipping insertion in model container [2019-09-17 16:28:42,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:28:42" (1/1) ... [2019-09-17 16:28:42,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:28:42,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:28:43,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:28:43,110 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:28:43,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:28:43,209 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:28:43,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43 WrapperNode [2019-09-17 16:28:43,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:28:43,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:28:43,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:28:43,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:28:43,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:28:43,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:28:43,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:28:43,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:28:43,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:28:43" (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 [2019-09-17 16:28:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:28:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:28:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:28:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:28:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:28:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:28:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:28:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:28:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:28:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:28:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:28:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:28:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:28:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:28:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:28:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:28:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:28:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:28:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:28:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:28:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:28:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:28:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:28:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:28:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:28:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:28:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:28:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:28:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:28:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:28:43,337 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:28:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:28:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:28:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:28:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:28:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:28:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:28:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:28:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:28:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:28:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:28:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:28:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:28:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:28:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:28:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:28:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:28:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:28:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:28:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:28:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:28:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:28:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:28:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:28:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:28:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:28:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:28:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:28:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:28:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:28:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:28:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:28:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:28:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:28:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:28:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:28:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:28:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:28:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:28:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:28:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:28:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:28:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:28:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:28:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:28:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:28:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:28:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:28:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:28:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:28:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:28:43,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:28:43,948 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-17 16:28:43,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:28:43 BoogieIcfgContainer [2019-09-17 16:28:43,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:28:43,950 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:28:43,950 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:28:43,951 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:28:43,952 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:28:43" (1/1) ... [2019-09-17 16:28:43,952 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 16:28:43,975 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-17 16:28:43,976 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:28:43,983 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:28:43,990 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:28:43,991 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:28:44,190 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:28:44,849 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 16:28:45,188 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 16:28:45,424 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:28:47,750 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 16:28:54,145 WARN L191 SmtUtils]: Spent 5.94 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-17 16:29:02,554 WARN L191 SmtUtils]: Spent 8.38 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:29:12,321 WARN L191 SmtUtils]: Spent 9.73 s on a formula simplification that was a NOOP. DAG size: 172 [2019-09-17 16:29:12,920 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:13,098 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:13,332 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:13,597 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:13,724 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:13,940 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:20,050 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:29:25,584 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:29:25,978 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:29:26,274 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:29:26,806 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 16:29:27,245 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-17 16:29:27,423 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:29:27,626 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 16:29:28,198 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:29:28,461 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:29:28,959 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 16:29:29,364 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-17 16:29:29,513 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:29:29,732 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 16:29:29,982 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-09-17 16:29:30,368 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-17 16:29:30,536 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-17 16:29:31,170 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2019-09-17 16:29:33,089 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 16:29:38,639 WARN L191 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-17 16:29:45,162 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:29:54,828 WARN L191 SmtUtils]: Spent 9.64 s on a formula simplification that was a NOOP. DAG size: 172 [2019-09-17 16:29:55,453 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:55,658 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:55,782 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:56,036 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:56,326 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:29:56,543 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:02,034 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:30:08,133 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:30:08,549 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:30:08,797 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:30:09,280 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 16:30:09,712 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-17 16:30:09,882 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:30:10,118 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 16:30:10,772 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:30:11,031 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:30:11,489 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 16:30:11,888 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-17 16:30:12,050 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:30:12,274 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 16:30:14,487 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 16:30:19,800 WARN L191 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-17 16:30:26,971 WARN L191 SmtUtils]: Spent 7.15 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:30:35,160 WARN L191 SmtUtils]: Spent 8.17 s on a formula simplification that was a NOOP. DAG size: 172 [2019-09-17 16:30:35,745 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:35,932 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:36,131 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:36,290 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:36,616 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:36,775 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:30:40,682 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:30:45,817 WARN L191 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:30:46,225 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:30:46,469 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:30:46,905 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 16:30:47,276 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-17 16:30:47,432 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:30:47,627 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 16:30:50,187 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 16:30:57,080 WARN L191 SmtUtils]: Spent 6.52 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-17 16:31:03,266 WARN L191 SmtUtils]: Spent 6.17 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:31:13,049 WARN L191 SmtUtils]: Spent 9.76 s on a formula simplification that was a NOOP. DAG size: 172 [2019-09-17 16:31:13,835 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:31:14,063 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:31:14,351 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:31:14,516 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:31:14,779 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:31:14,997 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:31:20,840 WARN L191 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:31:26,925 WARN L191 SmtUtils]: Spent 6.08 s on a formula simplification that was a NOOP. DAG size: 202 [2019-09-17 16:31:27,293 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:31:27,547 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:31:28,011 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 16:31:28,410 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-17 16:31:28,579 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:31:28,776 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 16:31:29,903 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:31:29,903 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:31:29,905 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 759#(and (exists ((v_main_~x~0.offset_36 Int) (v_main_~x~0.base_38 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_38) (+ v_main_~x~0.offset_36 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= 0 main_~x~0.base) (= main_~x~0.offset 0)) [2019-09-17 16:31:29,905 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 731#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)) [2019-09-17 16:31:29,906 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 896#(exists ((v_main_~x~0.offset_39 Int) (v_main_~x~0.base_41 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| v_main_~x~0.base_41) v_main_~x~0.offset_39)) (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))) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_41) v_main_~x~0.offset_39) main_~x~0.base))) [2019-09-17 16:31:29,921 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:31:29,921 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:31:29,923 INFO L168 Benchmark]: Toolchain (without parser) took 167349.35 ms. Allocated memory was 139.5 MB in the beginning and 352.3 MB in the end (delta: 212.9 MB). Free memory was 85.6 MB in the beginning and 313.9 MB in the end (delta: -228.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:31:29,923 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:31:29,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.87 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 164.6 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-17 16:31:29,924 INFO L168 Benchmark]: Boogie Preprocessor took 63.43 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 161.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-17 16:31:29,925 INFO L168 Benchmark]: RCFGBuilder took 674.89 ms. Allocated memory is still 199.2 MB. Free memory was 161.5 MB in the beginning and 115.3 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:31:29,925 INFO L168 Benchmark]: Sifa took 165971.32 ms. Allocated memory was 199.2 MB in the beginning and 352.3 MB in the end (delta: 153.1 MB). Free memory was 115.3 MB in the beginning and 313.9 MB in the end (delta: -198.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:31:29,928 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.87 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 164.6 MB in the end (delta: -79.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.43 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 161.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 674.89 ms. Allocated memory is still 199.2 MB. Free memory was 161.5 MB in the beginning and 115.3 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. * Sifa took 165971.32 ms. Allocated memory was 199.2 MB in the beginning and 352.3 MB in the end (delta: 153.1 MB). Free memory was 115.3 MB in the beginning and 313.9 MB in the end (delta: -198.6 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]: 165931, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 353, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 300, TOOLS_POST_TIME[ms]: 109375, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 297, TOOLS_QUANTIFIERELIM_TIME[ms]: 109318, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24194, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 383, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 128, DOMAIN_JOIN_TIME[ms]: 54776, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 20, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 30, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 83, DOMAIN_ISBOTTOM_TIME[ms]: 1532, LOOP_SUMMARIZER_APPLICATIONS: 26, LOOP_SUMMARIZER_CACHE_MISSES: 26, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 158125, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 158124, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 30, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 154, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 153, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 78, DAG_COMPRESSION_PROCESSED_NODES: 967, DAG_COMPRESSION_RETAINED_NODES: 391 - 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 759#(and (exists ((v_main_~x~0.offset_36 Int) (v_main_~x~0.base_38 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_38) (+ v_main_~x~0.offset_36 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= 0 main_~x~0.base) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 731#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 896#(exists ((v_main_~x~0.offset_39 Int) (v_main_~x~0.base_41 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| v_main_~x~0.base_41) v_main_~x~0.offset_39)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$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$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_41) v_main_~x~0.offset_39) main_~x~0.base))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...