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 -i ../../../trunk/examples/svcomp/list-properties/list-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:12:40,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:12:40,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:12:41,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:12:41,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:12:41,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:12:41,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:12:41,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:12:41,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:12:41,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:12:41,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:12:41,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:12:41,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:12:41,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:12:41,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:12:41,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:12:41,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:12:41,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:12:41,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:12:41,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:12:41,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:12:41,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:12:41,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:12:41,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:12:41,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:12:41,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:12:41,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:12:41,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:12:41,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:12:41,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:12:41,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:12:41,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:12:41,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:12:41,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:12:41,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:12:41,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:12:41,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:12:41,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:12:41,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:12:41,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:12:41,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:12:41,057 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 [2019-08-31 03:12:41,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:12:41,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:12:41,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:12:41,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:12:41,080 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:12:41,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:12:41,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:12:41,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:12:41,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:12:41,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:12:41,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:12:41,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:12:41,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:12:41,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:12:41,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:12:41,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:12:41,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:12:41,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:12:41,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:12:41,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:12:41,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:12:41,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:12:41,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:12:41,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:12:41,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:12:41,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:12:41,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:12:41,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:12:41,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:12:41,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:12:41,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:12:41,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:12:41,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:12:41,134 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:12:41,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list-1.i [2019-08-31 03:12:41,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04c51682/7b5e8c7ac3a440e2af149782e32c3967/FLAGda1a7ad4a [2019-08-31 03:12:41,734 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:12:41,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list-1.i [2019-08-31 03:12:41,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04c51682/7b5e8c7ac3a440e2af149782e32c3967/FLAGda1a7ad4a [2019-08-31 03:12:42,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b04c51682/7b5e8c7ac3a440e2af149782e32c3967 [2019-08-31 03:12:42,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:12:42,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:12:42,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:12:42,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:12:42,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:12:42,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e198c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42, skipping insertion in model container [2019-08-31 03:12:42,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:12:42,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:12:42,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:12:42,579 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:12:42,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:12:42,693 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:12:42,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42 WrapperNode [2019-08-31 03:12:42,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:12:42,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:12:42,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:12:42,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:12:42,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (1/1) ... [2019-08-31 03:12:42,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:12:42,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:12:42,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:12:42,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:12:42,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:12:42" (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 [2019-08-31 03:12:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:12:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:12:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-31 03:12:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-31 03:12:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-08-31 03:12:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-08-31 03:12:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-08-31 03:12:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-31 03:12:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:12:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:12:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:12:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:12:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:12:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:12:42,857 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:12:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:12:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:12:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:12:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:12:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:12:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:12:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:12:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:12:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:12:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:12:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:12:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:12:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-31 03:12:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-31 03:12:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-08-31 03:12:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-08-31 03:12:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-08-31 03:12:42,860 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:12:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:12:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:12:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:12:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:12:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:12:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:12:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:12:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:12:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:12:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:12:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:12:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:12:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:12:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:12:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:12:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:12:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:12:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:12:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:12:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:12:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:12:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:12:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:12:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:12:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:12:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:12:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:12:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:12:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:12:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:12:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:12:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:12:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:12:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:12:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:12:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:12:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:12:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:12:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:12:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:12:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:12:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:12:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:12:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:12:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:12:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:12:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:12:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:12:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:12:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:12:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:12:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:12:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:12:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:12:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:12:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:12:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:12:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:12:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:12:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:12:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:12:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-31 03:12:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:12:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:12:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:12:43,275 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-31 03:12:43,443 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:12:43,443 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-31 03:12:43,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:12:43 BoogieIcfgContainer [2019-08-31 03:12:43,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:12:43,446 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:12:43,446 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:12:43,446 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:12:43,447 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:12:43" (1/1) ... [2019-08-31 03:12:43,485 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:12:43,485 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:12:43,493 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:12:43,502 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:12:43,504 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:12:43,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:12:43,589 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:12:43,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:12:43,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:12:43,604 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:12:43,620 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:12:43,692 WARN L98 DagInterpreter]: A function never reaches its return [2019-08-31 03:12:43,814 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:43,839 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:43,863 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:43,885 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:44,460 WARN L188 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2019-08-31 03:12:44,461 INFO L567 ElimStorePlain]: treesize reduction 645, result has 20.7 percent of original size [2019-08-31 03:12:44,468 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:44,581 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-31 03:12:44,582 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:12:44,583 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:44,583 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:861, output treesize:156 [2019-08-31 03:12:44,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:12:44,632 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:45,954 WARN L188 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 129 DAG size of output: 120 [2019-08-31 03:12:45,955 INFO L567 ElimStorePlain]: treesize reduction 175, result has 67.0 percent of original size [2019-08-31 03:12:45,959 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-08-31 03:12:45,960 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:527, output treesize:356 [2019-08-31 03:12:46,030 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:46,040 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:46,055 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:46,078 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:49,599 WARN L188 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2019-08-31 03:12:49,599 INFO L567 ElimStorePlain]: treesize reduction 451, result has 49.2 percent of original size [2019-08-31 03:12:49,613 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:49,629 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:12:50,621 WARN L188 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-31 03:12:50,621 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:12:50,624 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 9 dim-0 vars, and 2 xjuncts. [2019-08-31 03:12:50,625 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:935, output treesize:412 [2019-08-31 03:12:50,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:12:50,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:12:50,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:12:50,740 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:22,256 WARN L188 SmtUtils]: Spent 31.51 s on a formula simplification. DAG size of input: 221 DAG size of output: 212 [2019-08-31 03:13:22,257 INFO L567 ElimStorePlain]: treesize reduction 196, result has 83.4 percent of original size [2019-08-31 03:13:22,309 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:36,265 WARN L188 SmtUtils]: Spent 13.95 s on a formula simplification that was a NOOP. DAG size: 209 [2019-08-31 03:13:36,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:13:36,290 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:50,369 WARN L188 SmtUtils]: Spent 14.08 s on a formula simplification that was a NOOP. DAG size: 206 [2019-08-31 03:13:50,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:13:50,373 INFO L496 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 3 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2019-08-31 03:13:50,374 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 14 variables, input treesize:1154, output treesize:996 [2019-08-31 03:13:50,452 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:50,461 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:50,835 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:50,940 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:50,952 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:51,128 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:51,140 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:13:51,408 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:16:14,190 WARN L188 SmtUtils]: Spent 2.38 m on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2019-08-31 03:16:14,191 INFO L567 ElimStorePlain]: treesize reduction 1163, result has 49.3 percent of original size [2019-08-31 03:16:14,510 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:16:14,600 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:16:14,667 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:16:14,779 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:17:06,542 WARN L188 SmtUtils]: Spent 51.76 s on a formula simplification that was a NOOP. DAG size: 239 [2019-08-31 03:17:06,543 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:17:06,549 INFO L496 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 2 dim-2 vars, End of recursive call: 26 dim-0 vars, and 4 xjuncts. [2019-08-31 03:17:06,549 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 18 variables, input treesize:2391, output treesize:1084 [2019-08-31 03:17:07,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:17:07,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:17:07,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:17:07,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:17:07,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-31 03:17:09,560 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.