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-optional-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:59:43,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:59:43,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:59:43,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:59:43,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:59:43,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:59:43,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:59:43,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:59:43,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:59:43,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:59:43,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:59:43,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:59:43,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:59:43,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:59:43,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:59:43,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:59:43,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:59:43,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:59:43,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:59:43,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:59:43,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:59:43,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:59:43,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:59:43,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:59:43,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:59:43,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:59:43,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:59:43,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:59:43,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:59:43,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:59:43,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:59:43,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:59:43,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:59:43,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:59:43,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:59:43,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:59:43,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:59:43,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:59:43,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:59:43,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:59:43,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:59:43,124 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 08:59:43,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:59:43,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:59:43,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:59:43,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:59:43,157 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:59:43,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:59:43,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:59:43,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:59:43,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:59:43,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:59:43,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:59:43,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:59:43,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:59:43,160 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:59:43,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:59:43,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:59:43,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:59:43,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:59:43,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:59:43,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:59:43,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:59:43,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:59:43,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:59:43,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:59:43,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:59:43,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:59:43,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:59:43,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:59:43,164 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 08:59:43,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:59:43,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:59:43,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:59:43,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:59:43,231 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:59:43,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional-2.i [2019-09-06 08:59:43,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2427256/201f2f828c724963a54ec3d416253932/FLAG703e49c41 [2019-09-06 08:59:43,892 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:59:43,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-optional-2.i [2019-09-06 08:59:43,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2427256/201f2f828c724963a54ec3d416253932/FLAG703e49c41 [2019-09-06 08:59:44,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2427256/201f2f828c724963a54ec3d416253932 [2019-09-06 08:59:44,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:59:44,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:59:44,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:44,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:59:44,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:59:44,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132dda83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44, skipping insertion in model container [2019-09-06 08:59:44,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,202 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:59:44,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:59:44,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:44,749 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:59:44,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:44,861 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:59:44,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44 WrapperNode [2019-09-06 08:59:44,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:44,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:59:44,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:59:44,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:59:44,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (1/1) ... [2019-09-06 08:59:44,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:59:44,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:59:44,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:59:44,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:59:44,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:44" (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 08:59:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:59:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:59:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:59:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 08:59:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 08:59:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 08:59:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 08:59:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 08:59:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 08:59:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 08:59:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 08:59:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 08:59:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 08:59:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 08:59:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 08:59:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 08:59:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 08:59:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 08:59:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 08:59:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 08:59:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 08:59:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 08:59:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 08:59:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 08:59:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 08:59:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 08:59:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 08:59:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 08:59:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 08:59:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 08:59:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 08:59:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 08:59:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 08:59:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 08:59:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 08:59:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 08:59:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 08:59:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 08:59:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 08:59:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 08:59:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 08:59:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 08:59:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 08:59:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 08:59:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 08:59:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 08:59:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 08:59:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 08:59:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 08:59:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 08:59:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 08:59:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 08:59:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 08:59:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 08:59:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 08:59:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 08:59:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 08:59:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 08:59:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 08:59:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 08:59:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 08:59:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 08:59:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 08:59:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 08:59:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 08:59:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 08:59:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 08:59:44,995 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 08:59:44,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 08:59:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 08:59:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 08:59:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 08:59:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 08:59:44,997 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 08:59:44,998 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 08:59:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:59:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:59:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:59:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:59:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:59:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:59:45,633 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:59:45,634 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 08:59:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:45 BoogieIcfgContainer [2019-09-06 08:59:45,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:59:45,637 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:59:45,637 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:59:45,637 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:59:45,639 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:45" (1/1) ... [2019-09-06 08:59:45,639 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 08:59:45,671 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:59:45,672 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:59:45,680 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:59:45,690 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:59:45,691 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:59:45,762 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 08:59:46,378 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-06 08:59:46,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-06 08:59:46,654 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12960 conjuctions. This might take some time... [2019-09-06 08:59:49,336 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 08:59:51,141 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:59:51,142 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:59:51,144 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 113#true [2019-09-06 08:59:51,156 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:59:51,156 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:59:51,158 INFO L168 Benchmark]: Toolchain (without parser) took 6969.23 ms. Allocated memory was 132.6 MB in the beginning and 262.7 MB in the end (delta: 130.0 MB). Free memory was 87.3 MB in the beginning and 144.8 MB in the end (delta: -57.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:51,158 INFO L168 Benchmark]: CDTParser took 0.23 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:59:51,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.27 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.1 MB in the beginning and 163.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:51,159 INFO L168 Benchmark]: Boogie Preprocessor took 67.45 ms. Allocated memory is still 199.8 MB. Free memory was 163.9 MB in the beginning and 161.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:51,160 INFO L168 Benchmark]: RCFGBuilder took 705.24 ms. Allocated memory is still 199.8 MB. Free memory was 160.7 MB in the beginning and 115.5 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:51,160 INFO L168 Benchmark]: Sifa took 5519.89 ms. Allocated memory was 199.8 MB in the beginning and 262.7 MB in the end (delta: 62.9 MB). Free memory was 115.5 MB in the beginning and 144.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:51,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.27 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.1 MB in the beginning and 163.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.45 ms. Allocated memory is still 199.8 MB. Free memory was 163.9 MB in the beginning and 161.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 705.24 ms. Allocated memory is still 199.8 MB. Free memory was 160.7 MB in the beginning and 115.5 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * Sifa took 5519.89 ms. Allocated memory was 199.8 MB in the beginning and 262.7 MB in the end (delta: 62.9 MB). Free memory was 115.5 MB in the beginning and 144.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 33.6 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]: 5473, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 90, DAG_INTERPRETER_EARLY_EXITS: 10, TOOLS_POST_APPLICATIONS: 76, TOOLS_POST_TIME[ms]: 2373, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 14, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 2364, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 102, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 29, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 2920, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5158, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5158, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 21, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 179, DAG_COMPRESSION_RETAINED_NODES: 102 - UnprovableResult [Line: 998]: 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 113#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...