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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:30,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:30,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:30,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:30,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:30,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:30,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:30,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:30,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:30,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:30,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:30,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:30,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:30,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:30,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:30,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:30,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:30,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:30,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:30,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:30,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:30,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:30,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:30,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:30,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:30,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:30,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:30,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:30,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:30,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:30,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:30,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:30,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:30,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:30,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:30,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:30,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:30,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:30,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:30,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:30,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:30,537 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 22:27:30,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:30,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:30,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:30,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:30,573 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:30,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:30,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:30,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:30,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:30,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:30,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:30,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:30,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:30,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:30,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:30,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:30,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:30,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:30,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:30,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:30,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:30,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:30,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:30,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:30,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:30,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:30,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:30,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:30,580 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:30,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:30,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:30,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:30,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:30,655 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:30,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 22:27:30,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9e9556f/a9e644a8ff6e4d328495416ea1a4d85a/FLAG0a31fcc45 [2019-09-20 22:27:31,308 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:31,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 22:27:31,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9e9556f/a9e644a8ff6e4d328495416ea1a4d85a/FLAG0a31fcc45 [2019-09-20 22:27:31,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9e9556f/a9e644a8ff6e4d328495416ea1a4d85a [2019-09-20 22:27:31,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:31,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:31,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:31,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:31,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:31,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d4276b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:31, skipping insertion in model container [2019-09-20 22:27:31,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:31" (1/1) ... [2019-09-20 22:27:31,585 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:31,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:32,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:32,092 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:32,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:32,205 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:32,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32 WrapperNode [2019-09-20 22:27:32,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:32,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:32,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:32,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:32,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (1/1) ... [2019-09-20 22:27:32,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:32,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:32,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:32,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:32,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:32" (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 22:27:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:27:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:27:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:27:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:27:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 22:27:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 22:27:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 22:27:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 22:27:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 22:27:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 22:27:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:27:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:27:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:27:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:27:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:27:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:27:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:27:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:27:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:27:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:27:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:27:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:27:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:27:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:27:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:27:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:27:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:27:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:27:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:27:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:27:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:27:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:27:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:27:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:27:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:27:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:27:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:27:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:27:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:27:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:27:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:27:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:27:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:27:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:27:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:27:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:27:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:27:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:27:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:27:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:27:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:27:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:27:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:27:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:27:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:27:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:27:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:27:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:27:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:27:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:27:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:27:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:27:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:27:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:27:32,373 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:27:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:27:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:27:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:27:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:27:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:27:32,374 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:27:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:27:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:27:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:27:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:27:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:27:32,375 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:27:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:27:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:27:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:27:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:27:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:27:32,376 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:27:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:27:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:27:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:27:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:27:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:27:32,377 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:27:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:27:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:27:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:27:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:27:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:27:32,378 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:27:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:27:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:27:32,379 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:27:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:27:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:27:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:27:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:27:32,380 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:27:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:27:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:27:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:27:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:27:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:27:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:27:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:27:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:27:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 22:27:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 22:27:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:27:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:27:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:27:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 22:27:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 22:27:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:27:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:27:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 22:27:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:27:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 22:27:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:27:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:27:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:27:32,809 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 22:27:33,121 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:27:33,121 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 22:27:33,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:33 BoogieIcfgContainer [2019-09-20 22:27:33,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:27:33,124 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:27:33,124 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:27:33,124 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:27:33,126 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:33" (1/1) ... [2019-09-20 22:27:33,126 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:27:33,151 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:27:33,151 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:27:33,165 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:27:33,178 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:27:33,179 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:27:33,344 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:27:34,343 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:34,811 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 22:27:35,259 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:35,603 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:35,901 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:36,085 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2019-09-20 22:27:36,570 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:37,071 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:37,423 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-20 22:27:37,492 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 22:27:38,105 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:38,742 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 22:27:39,303 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:39,576 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:39,885 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 22:27:40,439 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-20 22:27:40,913 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-20 22:27:41,511 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:41,883 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 22:27:42,385 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:42,638 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:42,907 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:43,383 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:43,779 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:44,292 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2019-09-20 22:27:45,419 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 22:27:45,942 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:46,291 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:46,568 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:46,830 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:47,438 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:47,887 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:48,657 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 22:27:49,121 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:49,451 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:49,751 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 22:27:50,021 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:50,594 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 22:27:51,040 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-20 22:27:51,405 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-09-20 22:27:51,587 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:27:51,588 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:27:51,590 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 220#true [2019-09-20 22:27:51,602 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:27:51,603 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:27:51,604 INFO L168 Benchmark]: Toolchain (without parser) took 20036.81 ms. Allocated memory was 141.6 MB in the beginning and 336.1 MB in the end (delta: 194.5 MB). Free memory was 87.7 MB in the beginning and 303.6 MB in the end (delta: -215.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:27:51,605 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:27:51,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.04 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 87.4 MB in the beginning and 163.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:51,608 INFO L168 Benchmark]: Boogie Preprocessor took 94.81 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 159.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:51,608 INFO L168 Benchmark]: RCFGBuilder took 819.38 ms. Allocated memory is still 200.8 MB. Free memory was 159.6 MB in the beginning and 100.6 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:51,608 INFO L168 Benchmark]: Sifa took 18478.95 ms. Allocated memory was 200.8 MB in the beginning and 336.1 MB in the end (delta: 135.3 MB). Free memory was 100.0 MB in the beginning and 303.6 MB in the end (delta: -203.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:27:51,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.04 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 87.4 MB in the beginning and 163.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.81 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 159.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 819.38 ms. Allocated memory is still 200.8 MB. Free memory was 159.6 MB in the beginning and 100.6 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. * Sifa took 18478.95 ms. Allocated memory was 200.8 MB in the beginning and 336.1 MB in the end (delta: 135.3 MB). Free memory was 100.0 MB in the beginning and 303.6 MB in the end (delta: -203.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18439, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 61, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 16905, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 61, TOOLS_QUANTIFIERELIM_TIME[ms]: 16912, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3599, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 70, FLUID_YES_ANSWERS: 70, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 1299, DOMAIN_ALPHA_APPLICATIONS: 70, DOMAIN_ALPHA_TIME[ms]: 107, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14506, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14505, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 18261, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18260, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 630]: 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 220#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...