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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:03,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:03,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:03,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:03,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:03,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:03,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:03,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:03,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:03,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:03,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:03,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:03,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:03,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:03,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:03,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:03,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:03,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:03,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:03,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:03,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:03,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:03,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:03,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:03,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:03,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:03,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:03,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:03,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:03,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:03,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:03,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:03,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:03,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:03,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:03,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:03,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:03,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:03,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:03,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:03,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:03,425 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 16:29:03,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:03,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:03,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:03,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:03,441 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:03,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:03,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:03,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:03,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:03,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:03,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:03,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:03,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:03,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:03,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:03,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:03,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:03,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:03,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:03,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:03,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:03,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:03,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:03,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:03,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:03,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:03,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:03,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:03,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:29:03,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:03,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:03,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:03,517 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:03,517 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:03,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 16:29:03,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cb807e0/426ee4c9f3f64f66a6a45e74f127d632/FLAG4032499e7 [2019-09-20 16:29:04,110 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:04,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 16:29:04,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cb807e0/426ee4c9f3f64f66a6a45e74f127d632/FLAG4032499e7 [2019-09-20 16:29:04,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39cb807e0/426ee4c9f3f64f66a6a45e74f127d632 [2019-09-20 16:29:04,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:04,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:04,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:04,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:04,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:04,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:04" (1/1) ... [2019-09-20 16:29:04,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260a8ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:04, skipping insertion in model container [2019-09-20 16:29:04,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:04" (1/1) ... [2019-09-20 16:29:04,466 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:04,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:04,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:04,965 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:05,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:05,092 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:05,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05 WrapperNode [2019-09-20 16:29:05,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:05,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:05,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:05,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:05,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:05,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:05,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:05,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:05,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (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 16:29:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 16:29:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 16:29:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-20 16:29:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2019-09-20 16:29:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2019-09-20 16:29:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2019-09-20 16:29:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2019-09-20 16:29:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2019-09-20 16:29:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2019-09-20 16:29:05,258 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2019-09-20 16:29:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2019-09-20 16:29:05,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 16:29:05,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 16:29:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 16:29:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 16:29:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 16:29:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 16:29:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 16:29:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 16:29:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 16:29:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 16:29:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 16:29:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 16:29:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 16:29:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 16:29:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 16:29:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 16:29:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 16:29:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 16:29:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 16:29:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 16:29:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 16:29:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 16:29:05,265 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 16:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 16:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 16:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 16:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 16:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 16:29:05,266 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 16:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 16:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 16:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 16:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 16:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 16:29:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:29:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 16:29:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 16:29:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:29:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 16:29:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 16:29:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 16:29:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 16:29:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 16:29:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 16:29:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 16:29:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 16:29:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 16:29:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 16:29:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 16:29:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 16:29:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 16:29:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 16:29:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 16:29:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 16:29:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 16:29:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 16:29:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 16:29:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 16:29:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 16:29:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 16:29:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 16:29:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 16:29:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 16:29:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 16:29:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 16:29:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 16:29:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:29:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-20 16:29:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2019-09-20 16:29:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:29:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2019-09-20 16:29:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2019-09-20 16:29:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2019-09-20 16:29:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2019-09-20 16:29:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:06,203 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:06,204 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-09-20 16:29:06,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:06 BoogieIcfgContainer [2019-09-20 16:29:06,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:06,206 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:06,206 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:06,206 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:06,208 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:06" (1/1) ... [2019-09-20 16:29:06,208 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:29:06,243 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:06,243 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:06,255 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:06,272 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:06,274 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:06,442 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 16:29:06,847 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 16:29:08,816 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 16:29:08,997 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 16:29:11,447 INFO L199 IcfgInterpreter]: Interpreting procedure check_seq_prev with input of size 1 for LOIs [2019-09-20 16:29:11,553 INFO L199 IcfgInterpreter]: Interpreting procedure check_seq_next with input of size 1 for LOIs [2019-09-20 16:29:11,589 INFO L199 IcfgInterpreter]: Interpreting procedure fail with input of size 1 for LOIs [2019-09-20 16:29:11,590 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:11,590 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:11,592 INFO L193 IcfgInterpreter]: Reachable states at location failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1025#true [2019-09-20 16:29:11,604 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:11,605 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:11,606 INFO L168 Benchmark]: Toolchain (without parser) took 7155.92 ms. Allocated memory was 134.2 MB in the beginning and 315.1 MB in the end (delta: 180.9 MB). Free memory was 88.8 MB in the beginning and 211.3 MB in the end (delta: -122.5 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:11,607 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:11,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.24 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 160.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:11,607 INFO L168 Benchmark]: Boogie Preprocessor took 84.85 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 156.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:11,608 INFO L168 Benchmark]: RCFGBuilder took 1023.16 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 156.7 MB in the beginning and 198.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:11,609 INFO L168 Benchmark]: Sifa took 5399.03 ms. Allocated memory was 228.1 MB in the beginning and 315.1 MB in the end (delta: 87.0 MB). Free memory was 198.6 MB in the beginning and 211.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:11,611 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 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.24 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 160.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.85 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 156.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1023.16 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 156.7 MB in the beginning and 198.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * Sifa took 5399.03 ms. Allocated memory was 228.1 MB in the beginning and 315.1 MB in the end (delta: 87.0 MB). Free memory was 198.6 MB in the beginning and 211.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 74.3 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]: 5350, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 833, DAG_INTERPRETER_EARLY_EXITS: 61, TOOLS_POST_APPLICATIONS: 532, TOOLS_POST_TIME[ms]: 1967, TOOLS_POST_CALL_APPLICATIONS: 132, TOOLS_POST_CALL_TIME[ms]: 2174, TOOLS_POST_RETURN_APPLICATIONS: 117, TOOLS_POST_RETURN_TIME[ms]: 275, TOOLS_QUANTIFIERELIM_APPLICATIONS: 641, TOOLS_QUANTIFIERELIM_TIME[ms]: 4298, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 409, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 960, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 236, DOMAIN_JOIN_TIME[ms]: 550, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 127, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 141, DOMAIN_ISBOTTOM_TIME[ms]: 118, LOOP_SUMMARIZER_APPLICATIONS: 152, LOOP_SUMMARIZER_CACHE_MISSES: 121, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2866, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2864, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 127, CALL_SUMMARIZER_APPLICATIONS: 117, CALL_SUMMARIZER_CACHE_MISSES: 10, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2537, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2536, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 80, DAG_COMPRESSION_PROCESSED_NODES: 1975, DAG_COMPRESSION_RETAINED_NODES: 737 - UnprovableResult [Line: 554]: 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 1025#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...