/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:06:01,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:06:01,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:06:01,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:06:01,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:06:01,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:06:01,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:06:01,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:06:01,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:06:01,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:06:01,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:06:01,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:06:01,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:06:01,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:06:01,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:06:01,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:06:01,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:06:01,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:06:01,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:06:01,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:06:01,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:06:01,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:06:01,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:06:01,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:06:01,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:06:01,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:06:01,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:06:01,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:06:01,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:06:01,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:06:01,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:06:01,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:06:01,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:06:01,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:06:01,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:06:01,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:06:01,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:06:01,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:06:01,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:06:01,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:06:01,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:06:01,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 10:06:01,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:06:01,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:06:01,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:06:01,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:06:01,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:06:01,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:06:01,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:06:01,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:06:01,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:06:01,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:06:01,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:06:01,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:06:01,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:06:01,148 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:06:01,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:06:01,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:06:01,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:06:01,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:06:01,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:06:01,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:06:01,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:06:01,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:06:01,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:06:01,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:06:01,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:06:01,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:06:01,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:06:01,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:06:01,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:06:01,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:06:01,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:06:01,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:06:01,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:06:01,421 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:06:01,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-2.i [2019-11-07 10:06:01,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33e0c272/e02455e6f1dd465ea9f01d026e49de91/FLAG898df7a68 [2019-11-07 10:06:02,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:06:02,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-2.i [2019-11-07 10:06:02,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33e0c272/e02455e6f1dd465ea9f01d026e49de91/FLAG898df7a68 [2019-11-07 10:06:02,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33e0c272/e02455e6f1dd465ea9f01d026e49de91 [2019-11-07 10:06:02,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:06:02,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:06:02,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:06:02,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:06:02,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:06:02,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:02,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be7f586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02, skipping insertion in model container [2019-11-07 10:06:02,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:02,344 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:06:02,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:06:02,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:06:02,867 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:06:02,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:06:02,988 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:06:02,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02 WrapperNode [2019-11-07 10:06:02,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:06:02,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:06:02,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:06:02,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:06:03,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (1/1) ... [2019-11-07 10:06:03,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:06:03,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:06:03,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:06:03,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:06:03,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:06:02" (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 [2019-11-07 10:06:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:06:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:06:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 10:06:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 10:06:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 10:06:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-11-07 10:06:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:06:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:06:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 10:06:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 10:06:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 10:06:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 10:06:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 10:06:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 10:06:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 10:06:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 10:06:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 10:06:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 10:06:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 10:06:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 10:06:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 10:06:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 10:06:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 10:06:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 10:06:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 10:06:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 10:06:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 10:06:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 10:06:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 10:06:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 10:06:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 10:06:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 10:06:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 10:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 10:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 10:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 10:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 10:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 10:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 10:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 10:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 10:06:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 10:06:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:06:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 10:06:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 10:06:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:06:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 10:06:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 10:06:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 10:06:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 10:06:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 10:06:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 10:06:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 10:06:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 10:06:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 10:06:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 10:06:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 10:06:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 10:06:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 10:06:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 10:06:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 10:06:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 10:06:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 10:06:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 10:06:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 10:06:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 10:06:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 10:06:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 10:06:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 10:06:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 10:06:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 10:06:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 10:06:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-11-07 10:06:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:06:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:06:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:06:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:06:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:06:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:06:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:06:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:06:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:06:03,512 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 10:06:04,018 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:06:04,018 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 10:06:04,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:06:04 BoogieIcfgContainer [2019-11-07 10:06:04,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:06:04,020 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:06:04,020 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:06:04,020 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:06:04,021 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:06:04" (1/1) ... [2019-11-07 10:06:04,022 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:06:04,051 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:06:04,051 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:06:04,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:06:04,067 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:06:04,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:06:04,223 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 10:06:04,522 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:05,132 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:05,400 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:07,661 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:08,336 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:08,349 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:08,869 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:10,008 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:10,255 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:10,266 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:10,278 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:10,400 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:06:12,653 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:06:12,665 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:06:12,665 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:06:12,667 INFO L168 Benchmark]: Toolchain (without parser) took 10336.74 ms. Allocated memory was 138.9 MB in the beginning and 271.6 MB in the end (delta: 132.6 MB). Free memory was 100.8 MB in the beginning and 181.1 MB in the end (delta: -80.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:12,667 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:06:12,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.31 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 170.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:12,668 INFO L168 Benchmark]: Boogie Preprocessor took 70.75 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 167.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:12,669 INFO L168 Benchmark]: RCFGBuilder took 957.86 ms. Allocated memory is still 203.9 MB. Free memory was 167.1 MB in the beginning and 105.9 MB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:06:12,669 INFO L168 Benchmark]: Sifa took 8645.50 ms. Allocated memory was 203.9 MB in the beginning and 271.6 MB in the end (delta: 67.6 MB). Free memory was 105.9 MB in the beginning and 181.1 MB in the end (delta: -75.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:06:12,671 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 138.9 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.31 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 170.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.75 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 167.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 957.86 ms. Allocated memory is still 203.9 MB. Free memory was 167.1 MB in the beginning and 105.9 MB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * Sifa took 8645.50 ms. Allocated memory was 203.9 MB in the beginning and 271.6 MB in the end (delta: 67.6 MB). Free memory was 105.9 MB in the beginning and 181.1 MB in the end (delta: -75.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 8604, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 7, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 44, TOOLS_POST_TIME[ms]: 8106, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 33, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 57, TOOLS_QUANTIFIERELIM_TIME[ms]: 8114, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2340, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 79, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 223, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 9, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 92, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 15, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5980, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5979, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 8296, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8296, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 99, DAG_COMPRESSION_RETAINED_NODES: 53 - UnprovableResult [Line: 604]: 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 149#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...