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/heap-manipulation/tree-4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 01:09:58,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 01:09:58,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 01:09:58,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 01:09:58,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 01:09:58,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 01:09:58,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 01:09:58,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 01:09:58,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 01:09:58,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 01:09:58,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 01:09:58,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 01:09:58,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 01:09:58,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 01:09:58,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 01:09:58,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 01:09:58,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 01:09:58,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 01:09:58,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 01:09:58,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 01:09:58,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 01:09:58,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 01:09:58,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 01:09:58,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 01:09:58,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 01:09:58,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 01:09:58,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 01:09:58,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 01:09:58,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 01:09:58,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 01:09:58,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 01:09:58,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 01:09:58,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 01:09:58,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 01:09:58,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 01:09:58,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 01:09:58,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 01:09:58,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 01:09:58,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 01:09:58,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 01:09:58,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 01:09:58,403 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 [2019-10-14 01:09:58,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 01:09:58,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 01:09:58,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 01:09:58,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 01:09:58,419 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 01:09:58,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 01:09:58,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 01:09:58,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 01:09:58,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 01:09:58,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 01:09:58,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 01:09:58,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 01:09:58,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 01:09:58,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 01:09:58,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 01:09:58,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 01:09:58,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 01:09:58,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 01:09:58,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 01:09:58,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 01:09:58,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 01:09:58,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 01:09:58,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 01:09:58,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 01:09:58,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 01:09:58,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 01:09:58,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 01:09:58,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 01:09:58,424 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 [2019-10-14 01:09:58,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 01:09:58,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 01:09:58,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 01:09:58,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 01:09:58,730 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 01:09:58,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/tree-4.i [2019-10-14 01:09:58,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671cf9576/05928d628d1645d383139a2e69259e52/FLAG88e5df485 [2019-10-14 01:09:59,270 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 01:09:59,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/tree-4.i [2019-10-14 01:09:59,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671cf9576/05928d628d1645d383139a2e69259e52/FLAG88e5df485 [2019-10-14 01:09:59,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/671cf9576/05928d628d1645d383139a2e69259e52 [2019-10-14 01:09:59,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 01:09:59,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 01:09:59,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 01:09:59,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 01:09:59,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 01:09:59,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:09:59" (1/1) ... [2019-10-14 01:09:59,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddaa878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:09:59, skipping insertion in model container [2019-10-14 01:09:59,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:09:59" (1/1) ... [2019-10-14 01:09:59,602 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 01:09:59,652 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 01:10:00,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 01:10:00,100 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 01:10:00,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 01:10:00,222 INFO L192 MainTranslator]: Completed translation [2019-10-14 01:10:00,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00 WrapperNode [2019-10-14 01:10:00,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 01:10:00,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 01:10:00,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 01:10:00,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 01:10:00,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (1/1) ... [2019-10-14 01:10:00,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 01:10:00,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 01:10:00,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 01:10:00,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 01:10:00,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:10:00" (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 [2019-10-14 01:10:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 01:10:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 01:10:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 01:10:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 01:10:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-10-14 01:10:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2019-10-14 01:10:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure create_tree [2019-10-14 01:10:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tree [2019-10-14 01:10:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 01:10:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 01:10:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 01:10:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 01:10:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 01:10:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 01:10:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 01:10:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 01:10:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 01:10:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 01:10:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 01:10:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 01:10:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 01:10:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 01:10:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 01:10:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 01:10:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 01:10:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 01:10:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 01:10:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 01:10:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 01:10:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 01:10:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 01:10:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 01:10:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 01:10:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 01:10:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 01:10:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 01:10:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 01:10:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 01:10:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 01:10:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 01:10:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 01:10:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 01:10:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 01:10:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 01:10:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 01:10:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 01:10:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 01:10:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 01:10:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 01:10:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 01:10:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 01:10:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 01:10:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 01:10:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 01:10:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 01:10:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 01:10:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 01:10:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 01:10:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 01:10:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 01:10:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 01:10:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 01:10:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 01:10:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 01:10:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 01:10:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 01:10:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 01:10:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 01:10:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 01:10:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 01:10:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 01:10:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 01:10:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 01:10:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 01:10:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 01:10:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 01:10:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 01:10:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 01:10:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 01:10:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 01:10:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 01:10:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure create_tree [2019-10-14 01:10:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 01:10:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 01:10:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 01:10:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_tree [2019-10-14 01:10:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 01:10:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 01:10:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 01:10:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 01:10:01,306 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 01:10:01,306 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-10-14 01:10:01,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:10:01 BoogieIcfgContainer [2019-10-14 01:10:01,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 01:10:01,309 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 01:10:01,309 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 01:10:01,309 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 01:10:01,311 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:10:01" (1/1) ... [2019-10-14 01:10:01,311 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 [2019-10-14 01:10:01,342 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 01:10:01,343 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 01:10:01,360 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 01:10:01,371 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 01:10:01,373 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 01:10:01,587 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-14 01:10:01,713 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:02,212 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:02,409 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:03,677 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:03,691 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:04,005 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:04,015 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:04,971 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:04,978 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:04,997 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:05,000 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:05,003 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:05,009 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:05,015 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:05,229 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 01:10:11,065 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 257 DAG size of output: 239