java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:12:00,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:12:01,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:12:01,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:12:01,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:12:01,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:12:01,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:12:01,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:12:01,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:12:01,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:12:01,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:12:01,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:12:01,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:12:01,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:12:01,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:12:01,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:12:01,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:12:01,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:12:01,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:12:01,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:12:01,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:12:01,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:12:01,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:12:01,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:12:01,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:12:01,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:12:01,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:12:01,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:12:01,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:12:01,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:12:01,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:12:01,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:12:01,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:12:01,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:12:01,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:12:01,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:12:01,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:12:01,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:12:01,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:12:01,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:12:01,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:12:01,059 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 [2019-09-21 09:12:01,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:12:01,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:12:01,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:12:01,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:12:01,078 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:12:01,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:12:01,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:12:01,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:12:01,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:12:01,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:12:01,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:12:01,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:12:01,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:12:01,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:12:01,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:12:01,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:12:01,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:12:01,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:12:01,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:12:01,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:12:01,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:12:01,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:12:01,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:12:01,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:12:01,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:12:01,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:12:01,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:12:01,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:12:01,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:12:01,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:12:01,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:12:01,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:12:01,136 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:12:01,137 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:12:01,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-21 09:12:01,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d8900d6/bcb8142f16d7423081163f2c542a703d/FLAG01a2c64a4 [2019-09-21 09:12:01,726 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:12:01,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-21 09:12:01,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d8900d6/bcb8142f16d7423081163f2c542a703d/FLAG01a2c64a4 [2019-09-21 09:12:02,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d8900d6/bcb8142f16d7423081163f2c542a703d [2019-09-21 09:12:02,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:12:02,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:12:02,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:02,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:12:02,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:12:02,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b98b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02, skipping insertion in model container [2019-09-21 09:12:02,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,073 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:12:02,137 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:12:02,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:02,635 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:12:02,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:02,743 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:12:02,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02 WrapperNode [2019-09-21 09:12:02,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:02,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:12:02,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:12:02,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:12:02,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (1/1) ... [2019-09-21 09:12:02,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:12:02,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:12:02,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:12:02,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:12:02,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:02" (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 [2019-09-21 09:12:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:12:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:12:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:12:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:12:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:12:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:12:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:12:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:12:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:12:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:12:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:12:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:12:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:12:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:12:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:12:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:12:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:12:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:12:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:12:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:12:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:12:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:12:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:12:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:12:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:12:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:12:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:12:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:12:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:12:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:12:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:12:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:12:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:12:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:12:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:12:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:12:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:12:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:12:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:12:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:12:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:12:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:12:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:12:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:12:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:12:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:12:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:12:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:12:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:12:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:12:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:12:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:12:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:12:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:12:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:12:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:12:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:12:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:12:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:12:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:12:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:12:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:12:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:12:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:12:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:12:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:12:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:12:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:12:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:12:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:12:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:12:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:12:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:12:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:12:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:12:03,470 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:12:03,470 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-21 09:12:03,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:03 BoogieIcfgContainer [2019-09-21 09:12:03,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:12:03,472 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:12:03,472 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:12:03,473 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:12:03,474 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:03" (1/1) ... [2019-09-21 09:12:03,475 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:12:03,501 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-21 09:12:03,501 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:12:03,509 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:12:03,518 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:12:03,520 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:12:03,680 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 09:12:06,214 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:12:06,215 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:12:06,218 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 437#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)) [2019-09-21 09:12:06,219 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 427#true [2019-09-21 09:12:06,219 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 342#(and (<= 0 main_~x~0.base) (<= main_~x~0.offset 0) (<= main_~x~0.base 0) (<= 0 main_~x~0.offset)) [2019-09-21 09:12:06,239 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:12:06,240 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:12:06,241 INFO L168 Benchmark]: Toolchain (without parser) took 4190.93 ms. Allocated memory was 130.5 MB in the beginning and 274.7 MB in the end (delta: 144.2 MB). Free memory was 85.2 MB in the beginning and 122.0 MB in the end (delta: -36.8 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:06,242 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:12:06,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.46 ms. Allocated memory was 130.5 MB in the beginning and 197.1 MB in the end (delta: 66.6 MB). Free memory was 85.0 MB in the beginning and 161.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:06,242 INFO L168 Benchmark]: Boogie Preprocessor took 66.04 ms. Allocated memory is still 197.1 MB. Free memory was 161.5 MB in the beginning and 158.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:06,244 INFO L168 Benchmark]: RCFGBuilder took 660.09 ms. Allocated memory is still 197.1 MB. Free memory was 158.9 MB in the beginning and 112.0 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:06,251 INFO L168 Benchmark]: Sifa took 2767.64 ms. Allocated memory was 197.1 MB in the beginning and 274.7 MB in the end (delta: 77.6 MB). Free memory was 112.0 MB in the beginning and 122.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:06,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.46 ms. Allocated memory was 130.5 MB in the beginning and 197.1 MB in the end (delta: 66.6 MB). Free memory was 85.0 MB in the beginning and 161.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.04 ms. Allocated memory is still 197.1 MB. Free memory was 161.5 MB in the beginning and 158.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 660.09 ms. Allocated memory is still 197.1 MB. Free memory was 158.9 MB in the beginning and 112.0 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * Sifa took 2767.64 ms. Allocated memory was 197.1 MB in the beginning and 274.7 MB in the end (delta: 77.6 MB). Free memory was 112.0 MB in the beginning and 122.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 67.6 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]: 2719, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 344, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 289, TOOLS_POST_TIME[ms]: 2269, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 292, TOOLS_QUANTIFIERELIM_TIME[ms]: 2219, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 257, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 372, FLUID_YES_ANSWERS: 14, DOMAIN_JOIN_APPLICATIONS: 129, DOMAIN_JOIN_TIME[ms]: 125, DOMAIN_ALPHA_APPLICATIONS: 14, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 71, DOMAIN_ISBOTTOM_TIME[ms]: 115, LOOP_SUMMARIZER_APPLICATIONS: 28, LOOP_SUMMARIZER_CACHE_MISSES: 28, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1455, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1454, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 28, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 103, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 67, DAG_COMPRESSION_PROCESSED_NODES: 895, DAG_COMPRESSION_RETAINED_NODES: 395 - UnprovableResult [Line: 1017]: 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 437#(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: 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 427#true. Possible FailurePath: - UnprovableResult [Line: 1012]: 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 342#(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...