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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:40:05,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:40:05,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:40:05,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:40:05,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:40:05,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:40:05,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:40:05,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:40:05,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:40:05,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:40:05,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:40:05,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:40:05,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:40:05,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:40:05,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:40:05,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:40:05,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:40:05,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:40:05,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:40:05,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:40:05,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:40:05,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:40:05,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:40:05,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:40:05,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:40:05,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:40:05,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:40:05,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:40:05,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:40:05,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:40:05,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:40:05,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:40:05,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:40:05,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:40:05,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:40:05,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:40:05,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:40:05,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:40:05,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:40:05,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:40:05,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:40:05,430 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 [2019-09-25 15:40:05,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:40:05,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:40:05,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:40:05,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:40:05,457 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:40:05,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:40:05,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:40:05,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:40:05,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:40:05,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:40:05,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:40:05,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:40:05,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:40:05,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:40:05,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:40:05,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:40:05,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:40:05,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:40:05,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:40:05,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:40:05,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:40:05,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:40:05,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:40:05,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:40:05,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:40:05,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:40:05,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:40:05,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:40:05,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:40:05,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:40:05,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:40:05,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:40:05,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:40:05,557 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:40:05,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-25 15:40:05,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef2ea67f/6709a62533d443e282e9262a1ea5005a/FLAG4bfb08a8d [2019-09-25 15:40:06,227 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:40:06,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-25 15:40:06,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef2ea67f/6709a62533d443e282e9262a1ea5005a/FLAG4bfb08a8d [2019-09-25 15:40:06,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef2ea67f/6709a62533d443e282e9262a1ea5005a [2019-09-25 15:40:06,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:40:06,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:40:06,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:06,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:40:06,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:40:06,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:06" (1/1) ... [2019-09-25 15:40:06,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7d2efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:06, skipping insertion in model container [2019-09-25 15:40:06,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:06" (1/1) ... [2019-09-25 15:40:06,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:40:06,558 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:40:07,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:07,066 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:40:07,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:07,179 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:40:07,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07 WrapperNode [2019-09-25 15:40:07,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:07,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:40:07,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:40:07,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:40:07,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (1/1) ... [2019-09-25 15:40:07,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:40:07,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:40:07,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:40:07,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:40:07,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:07" (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 [2019-09-25 15:40:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:40:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:40:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 15:40:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 15:40:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 15:40:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-25 15:40:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-25 15:40:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-25 15:40:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-25 15:40:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:40:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:40:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:40:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 15:40:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 15:40:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 15:40:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 15:40:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 15:40:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 15:40:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 15:40:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 15:40:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 15:40:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 15:40:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 15:40:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 15:40:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 15:40:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 15:40:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 15:40:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 15:40:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 15:40:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 15:40:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 15:40:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 15:40:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 15:40:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 15:40:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 15:40:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 15:40:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 15:40:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 15:40:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 15:40:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 15:40:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 15:40:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 15:40:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 15:40:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 15:40:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 15:40:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 15:40:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 15:40:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 15:40:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 15:40:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 15:40:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 15:40:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 15:40:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 15:40:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 15:40:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 15:40:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 15:40:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 15:40:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 15:40:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 15:40:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 15:40:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 15:40:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 15:40:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 15:40:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 15:40:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 15:40:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 15:40:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 15:40:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 15:40:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 15:40:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 15:40:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-25 15:40:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:40:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-25 15:40:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:40:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:40:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:40:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:40:07,723 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 15:40:08,292 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:40:08,292 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-25 15:40:08,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:08 BoogieIcfgContainer [2019-09-25 15:40:08,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:40:08,295 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:40:08,296 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:40:08,296 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:40:08,297 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:08" (1/1) ... [2019-09-25 15:40:08,299 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-25 15:40:08,324 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:40:08,325 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:40:08,332 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:40:08,341 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:40:08,343 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:40:08,495 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 15:40:08,527 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 15:40:09,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:09,298 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:40:09,299 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:40:09,302 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 112#(exists ((v_main_~p~0.base_17 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.offset_17 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (not (= 0 main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) 0) (= (select (select |#memory_int| v_main_~p~0.base_18) v_main_~p~0.offset_18) 1) (= 0 (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) 0) (= (select (select |#memory_int| v_main_~p~0.base_18) v_main_~p~0.offset_18) 1) (= 0 (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (= main_~a~0.offset main_~p~0.offset)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.offset) (not (= 0 main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.base)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.offset) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.base)))) [2019-09-25 15:40:09,321 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:40:09,321 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:40:09,323 INFO L168 Benchmark]: Toolchain (without parser) took 2826.40 ms. Allocated memory was 132.1 MB in the beginning and 222.3 MB in the end (delta: 90.2 MB). Free memory was 85.4 MB in the beginning and 140.0 MB in the end (delta: -54.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:09,324 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:40:09,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.53 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.2 MB in the beginning and 161.8 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:09,333 INFO L168 Benchmark]: Boogie Preprocessor took 68.14 ms. Allocated memory is still 199.2 MB. Free memory was 161.8 MB in the beginning and 158.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:09,336 INFO L168 Benchmark]: RCFGBuilder took 1044.33 ms. Allocated memory is still 199.2 MB. Free memory was 158.7 MB in the beginning and 87.8 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:09,337 INFO L168 Benchmark]: Sifa took 1026.01 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 87.8 MB in the beginning and 140.0 MB in the end (delta: -52.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:40:09,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.53 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.2 MB in the beginning and 161.8 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.14 ms. Allocated memory is still 199.2 MB. Free memory was 161.8 MB in the beginning and 158.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1044.33 ms. Allocated memory is still 199.2 MB. Free memory was 158.7 MB in the beginning and 87.8 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. * Sifa took 1026.01 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 87.8 MB in the beginning and 140.0 MB in the end (delta: -52.2 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]: 978, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 58, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 47, TOOLS_POST_TIME[ms]: 619, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 62, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 55, TOOLS_QUANTIFIERELIM_TIME[ms]: 646, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 119, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 63, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 120, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 32, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 34, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 620, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 619, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 103, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 102, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 83 - UnprovableResult [Line: 601]: 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 112#(exists ((v_main_~p~0.base_17 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.offset_17 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (not (= 0 main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) 0) (= (select (select |#memory_int| v_main_~p~0.base_18) v_main_~p~0.offset_18) 1) (= 0 (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) 0) (= (select (select |#memory_int| v_main_~p~0.base_18) v_main_~p~0.offset_18) 1) (= 0 (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (= main_~a~0.offset main_~p~0.offset)) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.offset) (not (= 0 main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.base)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.offset) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_17) (+ v_main_~p~0.offset_17 4)) main_~p~0.base)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...