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-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:59:36,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:59:36,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:59:36,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:59:36,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:59:36,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:59:36,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:59:36,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:59:36,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:59:36,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:59:36,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:59:36,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:59:36,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:59:36,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:59:36,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:59:36,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:59:36,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:59:36,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:59:36,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:59:36,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:59:36,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:59:36,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:59:36,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:59:36,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:59:36,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:59:36,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:59:36,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:59:36,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:59:36,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:59:36,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:59:36,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:59:36,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:59:36,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:59:36,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:59:36,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:59:36,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:59:36,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:59:36,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:59:36,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:59:36,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:59:36,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:59:36,072 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 08:59:36,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:59:36,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:59:36,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:59:36,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:59:36,089 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:59:36,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:59:36,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:59:36,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:59:36,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:59:36,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:59:36,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:59:36,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:59:36,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:59:36,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:59:36,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:59:36,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:59:36,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:59:36,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:59:36,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:59:36,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:59:36,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:59:36,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:59:36,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:59:36,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:59:36,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:59:36,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:59:36,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:59:36,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:59:36,094 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 08:59:36,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:59:36,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:59:36,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:59:36,146 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:59:36,147 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:59:36,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-09-06 08:59:36,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2682b38b4/a5badf10d20d4a5a8ff680d05dca280d/FLAG110a58606 [2019-09-06 08:59:36,752 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:59:36,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-09-06 08:59:36,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2682b38b4/a5badf10d20d4a5a8ff680d05dca280d/FLAG110a58606 [2019-09-06 08:59:37,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2682b38b4/a5badf10d20d4a5a8ff680d05dca280d [2019-09-06 08:59:37,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:59:37,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:59:37,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:37,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:59:37,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:59:37,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5c848a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37, skipping insertion in model container [2019-09-06 08:59:37,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,117 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:59:37,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:59:37,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:37,622 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:59:37,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:37,744 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:59:37,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37 WrapperNode [2019-09-06 08:59:37,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:37,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:59:37,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:59:37,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:59:37,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (1/1) ... [2019-09-06 08:59:37,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:59:37,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:59:37,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:59:37,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:59:37,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:37" (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 08:59:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:59:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:59:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:59:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 08:59:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 08:59:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 08:59:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 08:59:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 08:59:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 08:59:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 08:59:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 08:59:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 08:59:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 08:59:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 08:59:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 08:59:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 08:59:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 08:59:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 08:59:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 08:59:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 08:59:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 08:59:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 08:59:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 08:59:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 08:59:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 08:59:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 08:59:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 08:59:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 08:59:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 08:59:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 08:59:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 08:59:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 08:59:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 08:59:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 08:59:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 08:59:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 08:59:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 08:59:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 08:59:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 08:59:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 08:59:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 08:59:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 08:59:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 08:59:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 08:59:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 08:59:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 08:59:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 08:59:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 08:59:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 08:59:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 08:59:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 08:59:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 08:59:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:59:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:59:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:59:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:59:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:59:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:59:38,498 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:59:38,499 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-06 08:59:38,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:38 BoogieIcfgContainer [2019-09-06 08:59:38,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:59:38,501 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:59:38,501 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:59:38,502 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:59:38,503 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:38" (1/1) ... [2019-09-06 08:59:38,503 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 08:59:38,531 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-06 08:59:38,531 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:59:38,540 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:59:38,550 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:59:38,553 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:59:38,645 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 08:59:39,316 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-09-06 08:59:39,454 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-06 08:59:40,645 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:59:40,648 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:59:40,652 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 333#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)) [2019-09-06 08:59:40,653 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 303#true [2019-09-06 08:59:40,654 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 323#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)) [2019-09-06 08:59:40,672 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:59:40,673 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:59:40,675 INFO L168 Benchmark]: Toolchain (without parser) took 3574.94 ms. Allocated memory was 138.9 MB in the beginning and 263.7 MB in the end (delta: 124.8 MB). Free memory was 85.5 MB in the beginning and 147.1 MB in the end (delta: -61.7 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:40,680 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:59:40,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.00 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 164.9 MB in the end (delta: -79.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:40,681 INFO L168 Benchmark]: Boogie Preprocessor took 66.61 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 161.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:40,682 INFO L168 Benchmark]: RCFGBuilder took 688.44 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 117.9 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:40,687 INFO L168 Benchmark]: Sifa took 2171.89 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 117.9 MB in the beginning and 147.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:40,690 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.00 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 164.9 MB in the end (delta: -79.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.61 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 161.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 688.44 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 117.9 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. * Sifa took 2171.89 ms. Allocated memory was 199.2 MB in the beginning and 263.7 MB in the end (delta: 64.5 MB). Free memory was 117.9 MB in the beginning and 147.1 MB in the end (delta: -29.2 MB). Peak memory consumption was 35.2 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]: 2123, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 263, DAG_INTERPRETER_EARLY_EXITS: 13, TOOLS_POST_APPLICATIONS: 226, TOOLS_POST_TIME[ms]: 1671, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 1639, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 286, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 37, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 85, DOMAIN_ISBOTTOM_TIME[ms]: 172, LOOP_SUMMARIZER_APPLICATIONS: 22, LOOP_SUMMARIZER_CACHE_MISSES: 22, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1161, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1160, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, 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]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 92, DAG_COMPRESSION_PROCESSED_NODES: 724, DAG_COMPRESSION_RETAINED_NODES: 326 - UnprovableResult [Line: 1014]: 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 333#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)). 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 303#true. Possible FailurePath: - UnprovableResult [Line: 1019]: 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 323#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...