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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:21:54,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:21:54,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:21:54,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:21:54,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:21:54,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:21:54,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:21:54,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:21:54,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:21:54,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:21:54,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:21:54,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:21:54,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:21:54,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:21:54,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:21:54,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:21:54,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:21:54,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:21:54,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:21:54,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:21:54,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:21:54,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:21:54,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:21:54,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:21:54,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:21:54,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:21:54,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:21:54,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:21:54,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:21:54,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:21:54,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:21:54,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:21:54,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:21:54,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:21:54,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:21:54,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:21:54,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:21:54,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:21:54,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:21:54,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:21:54,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:21:54,396 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 [2019-09-20 23:21:54,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:21:54,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:21:54,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:21:54,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:21:54,420 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:21:54,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:21:54,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:21:54,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:21:54,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:21:54,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:21:54,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:21:54,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:21:54,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:21:54,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:21:54,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:21:54,423 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:21:54,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:21:54,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:21:54,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:21:54,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:21:54,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:21:54,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:21:54,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:21:54,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:21:54,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:21:54,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:21:54,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:21:54,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:21:54,427 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:21:54,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:21:54,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:21:54,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:21:54,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:21:54,495 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:21:54,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 23:21:54,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1232a9fad/e83c9633bbe24e8eb72f424bb7d7bca4/FLAGb9af72e29 [2019-09-20 23:21:55,130 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:21:55,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 23:21:55,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1232a9fad/e83c9633bbe24e8eb72f424bb7d7bca4/FLAGb9af72e29 [2019-09-20 23:21:55,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1232a9fad/e83c9633bbe24e8eb72f424bb7d7bca4 [2019-09-20 23:21:55,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:21:55,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:21:55,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:55,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:21:55,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:21:55,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:55" (1/1) ... [2019-09-20 23:21:55,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfc15e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:55, skipping insertion in model container [2019-09-20 23:21:55,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:55" (1/1) ... [2019-09-20 23:21:55,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:21:55,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:21:56,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:56,098 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:21:56,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:56,228 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:21:56,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56 WrapperNode [2019-09-20 23:21:56,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:56,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:21:56,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:21:56,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:21:56,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:21:56,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:21:56,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:21:56,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:21:56,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (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 [2019-09-20 23:21:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:21:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:21:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:21:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:21:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 23:21:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 23:21:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 23:21:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 23:21:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-20 23:21:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-20 23:21:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:21:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:21:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:21:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:21:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:21:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:21:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:21:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:21:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:21:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:21:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:21:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:21:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:21:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:21:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:21:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:21:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:21:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:21:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:21:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:21:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:21:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:21:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:21:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:21:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:21:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:21:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:21:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:21:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:21:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:21:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:21:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:21:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:21:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:21:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:21:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:21:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:21:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:21:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:21:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:21:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:21:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:21:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:21:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:21:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:21:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:21:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:21:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:21:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:21:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:21:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:21:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:21:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:21:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:21:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:21:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:21:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:21:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:21:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:21:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:21:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:21:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:21:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:21:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:21:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:21:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:21:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:21:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:21:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:21:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:21:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-20 23:21:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:21:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:21:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:21:56,859 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 23:21:57,074 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:21:57,074 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 23:21:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:57 BoogieIcfgContainer [2019-09-20 23:21:57,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:21:57,076 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:21:57,076 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:21:57,077 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:21:57,078 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:57" (1/1) ... [2019-09-20 23:21:57,079 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:21:57,101 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:21:57,102 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:21:57,109 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:21:57,119 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:21:57,120 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:21:57,268 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:21:57,391 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:21:58,456 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 23:21:58,583 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 23:21:58,905 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 23:21:59,101 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 23:21:59,277 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 23:21:59,427 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:21:59,655 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 23:22:00,139 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:22:00,885 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 23:22:01,098 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 23:22:01,322 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 23:22:02,090 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-20 23:22:02,421 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 23:22:02,806 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:22:02,807 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:22:02,808 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 168#(exists ((v_prenex_16 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_12 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_prenex_4) v_prenex_5) 1)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483647) (<= main_~len~0 2) (= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_15) v_prenex_14) main_~expected~0)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483648)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (<= 0 (+ (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~len~0 1) main_~new_data~0) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483647) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_12) v_prenex_13) main_~expected~0)) (= main_~len~0 2) (= main_~i~0 0)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (= main_~new_data~0 main_~len~0) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (= (+ (select (select |#memory_int| v_prenex_17) v_prenex_16) 1) (+ main_~i~0 main_~len~0)) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) main_~expected~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~new_data~0 main_~len~0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483648)) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= |#NULL.offset| 0) (< main_~i~0 main_~len~0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483647) (= main_~len~0 2) (= main_~i~0 0)))) [2019-09-20 23:22:02,821 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:22:02,821 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:22:02,823 INFO L168 Benchmark]: Toolchain (without parser) took 7428.22 ms. Allocated memory was 141.0 MB in the beginning and 302.5 MB in the end (delta: 161.5 MB). Free memory was 87.3 MB in the beginning and 185.2 MB in the end (delta: -97.8 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,824 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.78 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 87.1 MB in the beginning and 166.9 MB in the end (delta: -79.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,825 INFO L168 Benchmark]: Boogie Preprocessor took 73.68 ms. Allocated memory is still 202.9 MB. Free memory was 166.9 MB in the beginning and 163.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,826 INFO L168 Benchmark]: RCFGBuilder took 765.81 ms. Allocated memory is still 202.9 MB. Free memory was 163.8 MB in the beginning and 108.5 MB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,828 INFO L168 Benchmark]: Sifa took 5745.04 ms. Allocated memory was 202.9 MB in the beginning and 302.5 MB in the end (delta: 99.6 MB). Free memory was 108.5 MB in the beginning and 185.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 833.78 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 87.1 MB in the beginning and 166.9 MB in the end (delta: -79.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.68 ms. Allocated memory is still 202.9 MB. Free memory was 166.9 MB in the beginning and 163.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 765.81 ms. Allocated memory is still 202.9 MB. Free memory was 163.8 MB in the beginning and 108.5 MB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. * Sifa took 5745.04 ms. Allocated memory was 202.9 MB in the beginning and 302.5 MB in the end (delta: 99.6 MB). Free memory was 108.5 MB in the beginning and 185.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 5707, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 73, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME[ms]: 1683, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 102, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 763, TOOLS_QUANTIFIERELIM_APPLICATIONS: 81, TOOLS_QUANTIFIERELIM_TIME[ms]: 2505, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 845, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 91, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 1609, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 1426, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5342, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5342, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5007, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5006, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 162, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 619]: 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 168#(exists ((v_prenex_16 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_12 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= (+ main_~i~0 main_~len~0) (+ (select (select |#memory_int| v_prenex_4) v_prenex_5) 1)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483647) (<= main_~len~0 2) (= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_15) v_prenex_14) main_~expected~0)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483648)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (<= 0 (+ (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~len~0 1) main_~new_data~0) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483647) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_12) v_prenex_13) main_~expected~0)) (= main_~len~0 2) (= main_~i~0 0)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (= main_~new_data~0 main_~len~0) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (= (+ (select (select |#memory_int| v_prenex_17) v_prenex_16) 1) (+ main_~i~0 main_~len~0)) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) main_~expected~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~new_data~0 main_~len~0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483648)) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= |#NULL.offset| 0) (< main_~i~0 main_~len~0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483647) (= main_~len~0 2) (= main_~i~0 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...