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 -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:00:06,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:00:06,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:00:06,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:00:06,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:00:06,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:00:06,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:00:06,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:00:06,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:00:06,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:00:06,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:00:06,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:00:06,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:00:06,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:00:06,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:00:06,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:00:06,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:00:06,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:00:06,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:00:06,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:00:06,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:00:06,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:00:06,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:00:06,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:00:06,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:00:06,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:00:06,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:00:06,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:00:06,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:00:06,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:00:06,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:00:06,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:00:06,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:00:06,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:00:06,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:00:06,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:00:06,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:00:06,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:00:06,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:00:06,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:00:06,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:00:06,887 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 [2019-09-06 09:00:06,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:00:06,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:00:06,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:00:06,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:00:06,905 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:00:06,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:00:06,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:00:06,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:00:06,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:00:06,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:00:06,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:00:06,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:00:06,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:00:06,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:00:06,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:00:06,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:00:06,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:00:06,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:00:06,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:00:06,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:00:06,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:00:06,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:00:06,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:00:06,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:00:06,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:00:06,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:00:06,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:00:06,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:00:06,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 09:00:06,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:00:06,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:00:06,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:00:06,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:00:06,965 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:00:06,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i [2019-09-06 09:00:07,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45164a11f/aff0e9c0f0454327a72690a3cceb6c98/FLAG108dfb354 [2019-09-06 09:00:07,645 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:00:07,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i [2019-09-06 09:00:07,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45164a11f/aff0e9c0f0454327a72690a3cceb6c98/FLAG108dfb354 [2019-09-06 09:00:07,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45164a11f/aff0e9c0f0454327a72690a3cceb6c98 [2019-09-06 09:00:07,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:00:07,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:00:07,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:00:07,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:00:07,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:00:07,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:00:07" (1/1) ... [2019-09-06 09:00:07,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3959b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:07, skipping insertion in model container [2019-09-06 09:00:07,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:00:07" (1/1) ... [2019-09-06 09:00:07,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:00:08,014 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:00:08,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:00:08,440 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:00:08,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:00:08,560 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:00:08,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08 WrapperNode [2019-09-06 09:00:08,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:00:08,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:00:08,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:00:08,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:00:08,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (1/1) ... [2019-09-06 09:00:08,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:00:08,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:00:08,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:00:08,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:00:08,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:00:08" (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 [2019-09-06 09:00:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:00:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:00:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:00:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:00:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:00:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:00:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:00:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:00:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:00:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:00:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:00:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:00:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:00:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:00:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:00:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:00:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:00:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:00:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:00:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:00:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:00:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:00:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:00:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:00:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:00:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:00:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:00:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:00:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:00:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:00:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:00:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:00:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:00:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:00:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:00:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:00:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:00:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:00:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:00:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:00:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:00:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:00:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:00:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:00:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:00:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:00:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:00:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:00:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:00:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:00:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:00:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:00:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:00:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:00:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:00:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:00:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:00:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:00:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:00:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:00:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:00:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:00:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:00:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:00:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:00:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:00:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:00:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:00:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:00:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:00:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:00:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:00:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:00:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:00:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:00:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:00:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:00:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:00:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:00:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:00:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:00:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:00:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:00:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:00:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:00:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:00:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:00:09,336 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:00:09,336 INFO L283 CfgBuilder]: Removed 17 assume(true) statements. [2019-09-06 09:00:09,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:00:09 BoogieIcfgContainer [2019-09-06 09:00:09,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:00:09,339 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:00:09,339 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:00:09,339 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:00:09,341 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:00:09" (1/1) ... [2019-09-06 09:00:09,342 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 09:00:09,372 INFO L162 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-09-06 09:00:09,372 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:00:09,382 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:00:09,394 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:00:09,395 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:00:09,458 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:00:12,035 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:00:12,231 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:12,407 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:37,335 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:00:37,530 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:37,682 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:01:26,493 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:01:26,717 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:01:26,885 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:02:12,129 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:02:12,345 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:02:37,195 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:02:37,410 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:02:57,846 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:02:58,056 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:03:22,082 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:03:22,278 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:03:22,420 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:03:31,549 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:03:31,740 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:03:31,875 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:03:47,535 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:03:47,719 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:03:47,848 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:04:03,166 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:04:03,370 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:04:03,503 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:04:24,699 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:04:24,886 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:04:25,016 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:04:46,053 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:04:46,258 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:04:46,406 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:04:56,516 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:04:56,709 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:04:56,836 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:05:02,296 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-06 09:05:02,497 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:05:30,342 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:05:30,343 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:05:30,344 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 1801#true [2019-09-06 09:05:30,345 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 1335#true [2019-09-06 09:05:30,345 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 1735#true [2019-09-06 09:05:30,345 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 1222#true [2019-09-06 09:05:30,345 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1498#true [2019-09-06 09:05:30,345 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 1594#true [2019-09-06 09:05:30,345 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 1076#true [2019-09-06 09:05:30,361 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:05:30,361 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:05:30,362 INFO L168 Benchmark]: Toolchain (without parser) took 322419.81 ms. Allocated memory was 132.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 86.5 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 339.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:30,362 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-06 09:05:30,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.57 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 164.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:30,363 INFO L168 Benchmark]: Boogie Preprocessor took 64.80 ms. Allocated memory is still 200.3 MB. Free memory was 164.8 MB in the beginning and 161.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:30,364 INFO L168 Benchmark]: RCFGBuilder took 712.02 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 110.9 MB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:30,364 INFO L168 Benchmark]: Sifa took 321022.17 ms. Allocated memory was 200.3 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 110.9 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 296.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:05:30,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.57 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 164.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.80 ms. Allocated memory is still 200.3 MB. Free memory was 164.8 MB in the beginning and 161.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 712.02 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 110.9 MB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. * Sifa took 321022.17 ms. Allocated memory was 200.3 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 110.9 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 296.6 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]: 320974, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1553, DAG_INTERPRETER_EARLY_EXITS: 74, TOOLS_POST_APPLICATIONS: 1258, TOOLS_POST_TIME[ms]: 319911, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 319266, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 1710, FLUID_YES_ANSWERS: 28, DOMAIN_JOIN_APPLICATIONS: 505, DOMAIN_JOIN_TIME[ms]: 53, DOMAIN_ALPHA_APPLICATIONS: 28, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 157, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 369, DOMAIN_ISBOTTOM_TIME[ms]: 683, LOOP_SUMMARIZER_APPLICATIONS: 152, LOOP_SUMMARIZER_CACHE_MISSES: 152, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 297648, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 297645, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 157, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 16, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 96, DAG_COMPRESSION_PROCESSED_NODES: 2389, DAG_COMPRESSION_RETAINED_NODES: 1162 - UnprovableResult [Line: 1022]: 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 1801#true. Possible FailurePath: - UnprovableResult [Line: 1031]: 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 1335#true. Possible FailurePath: - UnprovableResult [Line: 1023]: 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 1735#true. Possible FailurePath: - UnprovableResult [Line: 1037]: 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 1222#true. Possible FailurePath: - UnprovableResult [Line: 1021]: 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 1498#true. Possible FailurePath: - UnprovableResult [Line: 1030]: 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 1594#true. Possible FailurePath: - UnprovableResult [Line: 1038]: 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 1076#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...