/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:06:04,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:06:04,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:06:04,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:06:04,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:06:04,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:06:04,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:06:04,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:06:04,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:06:04,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:06:04,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:06:04,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:06:04,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:06:04,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:06:04,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:06:04,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:06:04,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:06:04,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:06:04,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:06:04,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:06:04,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:06:04,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:06:04,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:06:04,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:06:04,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:06:04,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:06:04,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:06:04,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:06:04,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:06:04,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:06:04,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:06:04,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:06:04,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:06:04,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:06:04,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:06:04,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:06:04,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:06:04,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:06:04,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:06:04,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:06:04,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:06:04,756 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 [2019-11-07 10:06:04,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:06:04,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:06:04,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:06:04,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:06:04,774 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:06:04,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:06:04,775 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:06:04,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:06:04,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:06:04,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:06:04,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:06:04,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:06:04,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:06:04,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:06:04,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:06:04,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:06:04,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:06:04,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:06:04,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:06:04,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:06:04,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:06:04,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:06:04,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:06:04,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:06:04,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:06:04,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:06:04,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:06:04,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:06:04,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:06:05,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:06:05,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:06:05,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:06:05,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:06:05,078 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:06:05,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i [2019-11-07 10:06:05,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93abe4fab/b74612ab758d4c789ad21c5f8ff208b2/FLAGb15822f3b [2019-11-07 10:06:05,718 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:06:05,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i [2019-11-07 10:06:05,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93abe4fab/b74612ab758d4c789ad21c5f8ff208b2/FLAGb15822f3b [2019-11-07 10:06:05,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93abe4fab/b74612ab758d4c789ad21c5f8ff208b2 [2019-11-07 10:06:05,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:06:05,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:06:05,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:06:05,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:06:05,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:06:05,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:06:05" (1/1) ... [2019-11-07 10:06:05,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0d63e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:05, skipping insertion in model container [2019-11-07 10:06:05,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:06:05" (1/1) ... [2019-11-07 10:06:06,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:06:06,061 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:06:06,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:06:06,489 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:06:06,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:06:06,600 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:06:06,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06 WrapperNode [2019-11-07 10:06:06,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:06:06,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:06:06,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:06:06,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:06:06,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (1/1) ... [2019-11-07 10:06:06,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:06:06,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:06:06,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:06:06,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:06:06,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:06" (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 [2019-11-07 10:06:06,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:06:06,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:06:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 10:06:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 10:06:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 10:06:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-07 10:06:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-11-07 10:06:06,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-07 10:06:06,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:06:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:06:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:06:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 10:06:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 10:06:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 10:06:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 10:06:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 10:06:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 10:06:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 10:06:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 10:06:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 10:06:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 10:06:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 10:06:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 10:06:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 10:06:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 10:06:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 10:06:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 10:06:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 10:06:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 10:06:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 10:06:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 10:06:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 10:06:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 10:06:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 10:06:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 10:06:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 10:06:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 10:06:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 10:06:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 10:06:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 10:06:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 10:06:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 10:06:06,761 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 10:06:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 10:06:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 10:06:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 10:06:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 10:06:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 10:06:06,762 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 10:06:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 10:06:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 10:06:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:06:06,763 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 10:06:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 10:06:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:06:06,764 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 10:06:06,765 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 10:06:06,765 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 10:06:06,765 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 10:06:06,765 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 10:06:06,765 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 10:06:06,766 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 10:06:06,766 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 10:06:06,766 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 10:06:06,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 10:06:06,767 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 10:06:06,767 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 10:06:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 10:06:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 10:06:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 10:06:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 10:06:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 10:06:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 10:06:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 10:06:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 10:06:06,770 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 10:06:06,770 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 10:06:06,771 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 10:06:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 10:06:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 10:06:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 10:06:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-07 10:06:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:06:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:06:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-11-07 10:06:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:06:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-07 10:06:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:06:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:06:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:06:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:06:07,116 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 10:06:07,376 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:06:07,376 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 10:06:07,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:06:07 BoogieIcfgContainer [2019-11-07 10:06:07,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:06:07,379 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:06:07,379 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:06:07,379 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:06:07,380 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:06:07" (1/1) ... [2019-11-07 10:06:07,381 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:06:07,407 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:06:07,408 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:06:07,416 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:06:07,424 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:06:07,425 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:06:07,566 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-11-07 10:06:08,048 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:08,397 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:06:08,411 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:06:08,411 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:06:08,413 INFO L168 Benchmark]: Toolchain (without parser) took 2429.38 ms. Allocated memory was 144.2 MB in the beginning and 233.3 MB in the end (delta: 89.1 MB). Free memory was 99.6 MB in the beginning and 155.1 MB in the end (delta: -55.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:08,414 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:06:08,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.41 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.4 MB in the beginning and 169.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:08,416 INFO L168 Benchmark]: Boogie Preprocessor took 69.02 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 166.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:08,417 INFO L168 Benchmark]: RCFGBuilder took 706.51 ms. Allocated memory is still 202.4 MB. Free memory was 166.2 MB in the beginning and 118.5 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:08,417 INFO L168 Benchmark]: Sifa took 1032.95 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 118.5 MB in the beginning and 155.1 MB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:06:08,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.41 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.4 MB in the beginning and 169.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.02 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 166.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 706.51 ms. Allocated memory is still 202.4 MB. Free memory was 166.2 MB in the beginning and 118.5 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. * Sifa took 1032.95 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 118.5 MB in the beginning and 155.1 MB in the end (delta: -36.6 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]: 991, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME[ms]: 429, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 34, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME[ms]: 445, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 133, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 63, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 163, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 212, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 28, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 613, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 613, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 603, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 603, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 133, DAG_COMPRESSION_RETAINED_NODES: 55 - UnprovableResult [Line: 602]: 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 106#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 2 main_~len~1) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (or (<= main_~len~1 2147483646) (and (<= 1 main_~len~1) (<= 0 (+ main_~len~1 2147483647)))) (or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (<= 0 main_~s~0.offset) (<= 0 main_~len~1) (<= main_~s~0.offset 0)) (and (<= main_~len~1 0) (= main_~s~0.offset 0) (= 0 main_~s~0.base) (<= 0 (+ main_~len~1 1)))) (<= 0 main_~s~0.offset) (<= 0 main_~len~1) (<= main_~s~0.offset 0)) (and (<= 0 main_~s~0.base) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (<= 0 main_~s~0.offset) (<= 0 main_~len~1) (<= main_~s~0.offset 0)) (and (<= main_~len~1 0) (= main_~s~0.offset 0) (= 0 main_~s~0.base))) (<= main_~s~0.base 0) (<= 0 main_~s~0.offset) (<= main_~s~0.offset 0))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...