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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:36:13,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:36:13,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:36:13,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:36:13,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:36:13,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:36:13,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:36:13,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:36:13,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:36:13,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:36:13,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:36:13,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:36:13,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:36:13,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:36:13,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:36:13,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:36:13,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:36:13,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:36:13,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:36:13,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:36:13,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:36:13,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:36:13,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:36:13,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:36:13,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:36:13,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:36:13,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:36:13,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:36:13,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:36:13,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:36:13,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:36:13,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:36:13,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:36:13,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:36:13,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:36:13,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:36:13,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:36:13,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:36:13,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:36:13,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:36:13,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:36:13,098 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 [2019-09-17 16:36:13,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:36:13,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:36:13,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:36:13,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:36:13,115 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:36:13,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:36:13,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:36:13,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:36:13,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:36:13,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:36:13,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:36:13,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:36:13,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:36:13,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:36:13,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:36:13,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:36:13,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:36:13,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:36:13,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:36:13,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:36:13,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:36:13,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:36:13,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:36:13,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:36:13,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:36:13,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:36:13,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:36:13,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:36:13,120 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:36:13,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:36:13,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:36:13,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:36:13,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:36:13,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:36:13,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-17 16:36:13,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4298965/febca61fefe641658db340290a36d771/FLAGeb16572ce [2019-09-17 16:36:13,842 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:36:13,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-17 16:36:13,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4298965/febca61fefe641658db340290a36d771/FLAGeb16572ce [2019-09-17 16:36:14,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4298965/febca61fefe641658db340290a36d771 [2019-09-17 16:36:14,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:36:14,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:36:14,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:36:14,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:36:14,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:36:14,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b05cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14, skipping insertion in model container [2019-09-17 16:36:14,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,174 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:36:14,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:36:14,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:36:14,678 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:36:14,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:36:14,778 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:36:14,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14 WrapperNode [2019-09-17 16:36:14,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:36:14,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:36:14,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:36:14,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:36:14,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (1/1) ... [2019-09-17 16:36:14,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:36:14,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:36:14,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:36:14,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:36:14,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:36:14" (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 [2019-09-17 16:36:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:36:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:36:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:36:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:36:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:36:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:36:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:36:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:36:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:36:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:36:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:36:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:36:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:36:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:36:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:36:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:36:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:36:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:36:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:36:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:36:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:36:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:36:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:36:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:36:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:36:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:36:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:36:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:36:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:36:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:36:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:36:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:36:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:36:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:36:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:36:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:36:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:36:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:36:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:36:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:36:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:36:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:36:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:36:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:36:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:36:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:36:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:36:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:36:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:36:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:36:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:36:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:36:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:36:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:36:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:36:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:36:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:36:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:36:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:36:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:36:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:36:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:36:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:36:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:36:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:36:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:36:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:36:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:36:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:36:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:36:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:36:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:36:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:36:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:36:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:36:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:36:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:36:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:36:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:36:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:36:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:36:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:36:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:36:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:36:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:36:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:36:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:36:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:36:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:36:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:36:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:36:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:36:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:36:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:36:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:36:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:36:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:36:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:36:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:36:15,320 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:36:15,564 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:36:15,564 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 16:36:15,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:36:15 BoogieIcfgContainer [2019-09-17 16:36:15,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:36:15,567 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:36:15,567 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:36:15,567 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:36:15,569 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:36:15" (1/1) ... [2019-09-17 16:36:15,569 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 16:36:15,595 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:36:15,596 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:36:15,603 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:36:15,612 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:36:15,614 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:36:15,827 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:36:15,863 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:36:16,728 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 88 [2019-09-17 16:36:16,858 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:36:17,555 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2019-09-17 16:36:18,038 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2019-09-17 16:36:18,219 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 16:36:18,436 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 16:36:19,838 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 16:36:20,720 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:36:34,135 WARN L191 SmtUtils]: Spent 13.29 s on a formula simplification. DAG size of input: 246 DAG size of output: 162 [2019-09-17 16:36:36,702 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 214 [2019-09-17 16:36:36,932 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 16:36:37,080 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:36:37,577 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-17 16:36:37,940 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-17 16:36:38,443 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:36:38,939 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:36:39,331 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-17 16:36:39,680 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-17 16:36:40,163 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-17 16:36:40,813 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 90 [2019-09-17 16:36:40,955 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 16:36:41,587 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 100 [2019-09-17 16:36:42,016 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 128 [2019-09-17 16:36:42,200 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 16:36:42,425 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 16:36:43,746 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 153 [2019-09-17 16:36:44,575 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 16:36:57,587 WARN L191 SmtUtils]: Spent 12.85 s on a formula simplification. DAG size of input: 248 DAG size of output: 164 [2019-09-17 16:37:00,130 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 211 [2019-09-17 16:37:00,352 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 16:37:00,513 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:37:00,836 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 16:37:01,388 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-17 16:37:01,895 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2019-09-17 16:37:02,162 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-17 16:37:02,494 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-17 16:37:02,841 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-17 16:37:03,139 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 16:37:03,412 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 16:37:03,979 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-17 16:37:04,601 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2019-09-17 16:37:04,907 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:37:05,558 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-17 16:37:09,523 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2019-09-17 16:37:10,806 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 16:37:13,686 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-09-17 16:37:14,060 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2019-09-17 16:37:14,268 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:37:14,268 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:37:14,270 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 422#(and (or (and (<= main_~p~0.base 0) (<= 0 main_~hasTwo~0) (<= main_~hasTwo~0 1) (<= main_~hasSix~0 0) (<= 0 main_~p~0.base)) (and (<= main_~p~0.base 0) (<= 0 main_~hasTwo~0) (<= main_~hasTwo~0 0) (<= 0 main_~p~0.base))) (= main_~p~0.offset 0) (<= 10 main_~counter~0) (<= 0 main_~hasSix~0) (<= main_~hasSix~0 1)) [2019-09-17 16:37:14,282 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:37:14,282 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:37:14,284 INFO L168 Benchmark]: Toolchain (without parser) took 60127.49 ms. Allocated memory was 130.5 MB in the beginning and 460.3 MB in the end (delta: 329.8 MB). Free memory was 83.8 MB in the beginning and 239.8 MB in the end (delta: -156.0 MB). Peak memory consumption was 173.8 MB. Max. memory is 7.1 GB. [2019-09-17 16:37:14,284 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:37:14,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.59 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 83.6 MB in the beginning and 163.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-17 16:37:14,285 INFO L168 Benchmark]: Boogie Preprocessor took 61.39 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 160.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-17 16:37:14,286 INFO L168 Benchmark]: RCFGBuilder took 725.14 ms. Allocated memory is still 198.7 MB. Free memory was 160.2 MB in the beginning and 113.0 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:37:14,286 INFO L168 Benchmark]: Sifa took 58715.48 ms. Allocated memory was 198.7 MB in the beginning and 460.3 MB in the end (delta: 261.6 MB). Free memory was 113.0 MB in the beginning and 239.8 MB in the end (delta: -126.8 MB). Peak memory consumption was 134.8 MB. Max. memory is 7.1 GB. [2019-09-17 16:37:14,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.59 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 83.6 MB in the beginning and 163.4 MB in the end (delta: -79.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.39 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 160.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 725.14 ms. Allocated memory is still 198.7 MB. Free memory was 160.2 MB in the beginning and 113.0 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * Sifa took 58715.48 ms. Allocated memory was 198.7 MB in the beginning and 460.3 MB in the end (delta: 261.6 MB). Free memory was 113.0 MB in the beginning and 239.8 MB in the end (delta: -126.8 MB). Peak memory consumption was 134.8 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]: 58675, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 66, TOOLS_POST_TIME[ms]: 38660, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 60, TOOLS_QUANTIFIERELIM_TIME[ms]: 38647, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13403, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 90, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 11079, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 152, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 8516, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 124, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 54730, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54730, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 165, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 165, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 310, DAG_COMPRESSION_RETAINED_NODES: 106 - UnprovableResult [Line: 565]: 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 422#(and (or (and (<= main_~p~0.base 0) (<= 0 main_~hasTwo~0) (<= main_~hasTwo~0 1) (<= main_~hasSix~0 0) (<= 0 main_~p~0.base)) (and (<= main_~p~0.base 0) (<= 0 main_~hasTwo~0) (<= main_~hasTwo~0 0) (<= 0 main_~p~0.base))) (= main_~p~0.offset 0) (<= 10 main_~counter~0) (<= 0 main_~hasSix~0) (<= main_~hasSix~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...