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-simple/sll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:35:45,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:35:45,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:35:46,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:35:46,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:35:46,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:35:46,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:35:46,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:35:46,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:35:46,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:35:46,009 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:35:46,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:35:46,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:35:46,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:35:46,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:35:46,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:35:46,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:35:46,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:35:46,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:35:46,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:35:46,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:35:46,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:35:46,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:35:46,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:35:46,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:35:46,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:35:46,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:35:46,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:35:46,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:35:46,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:35:46,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:35:46,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:35:46,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:35:46,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:35:46,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:35:46,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:35:46,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:35:46,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:35:46,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:35:46,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:35:46,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:35:46,040 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 [2019-08-14 20:35:46,055 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:35:46,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:35:46,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:35:46,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:35:46,061 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:35:46,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:35:46,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:35:46,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:35:46,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:35:46,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:35:46,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:35:46,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:35:46,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:35:46,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:35:46,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:35:46,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:35:46,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:35:46,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:35:46,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:35:46,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:35:46,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:35:46,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:35:46,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:35:46,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:35:46,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:35:46,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:35:46,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:35:46,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:35:46,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:35:46,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:35:46,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:35:46,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:35:46,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:35:46,118 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:35:46,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-08-14 20:35:46,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8d6a6f5/fe8d3a7c90d34d629a0615efe53fef79/FLAG28d3179c2 [2019-08-14 20:35:46,747 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:35:46,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-08-14 20:35:46,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8d6a6f5/fe8d3a7c90d34d629a0615efe53fef79/FLAG28d3179c2 [2019-08-14 20:35:47,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8d6a6f5/fe8d3a7c90d34d629a0615efe53fef79 [2019-08-14 20:35:47,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:35:47,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:35:47,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:35:47,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:35:47,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:35:47,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d2cb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47, skipping insertion in model container [2019-08-14 20:35:47,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,070 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:35:47,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:35:47,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:35:47,638 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:35:47,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:35:47,744 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:35:47,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47 WrapperNode [2019-08-14 20:35:47,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:35:47,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:35:47,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:35:47,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:35:47,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (1/1) ... [2019-08-14 20:35:47,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:35:47,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:35:47,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:35:47,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:35:47,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:35:47" (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 [2019-08-14 20:35:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:35:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:35:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-14 20:35:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-14 20:35:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-14 20:35:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-14 20:35:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-14 20:35:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_last [2019-08-14 20:35:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:35:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:35:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-14 20:35:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-14 20:35:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-14 20:35:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-14 20:35:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-14 20:35:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-14 20:35:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-14 20:35:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-14 20:35:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-14 20:35:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-14 20:35:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-14 20:35:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-14 20:35:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-14 20:35:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-14 20:35:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-14 20:35:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-14 20:35:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-14 20:35:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-14 20:35:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-14 20:35:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-14 20:35:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-14 20:35:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-14 20:35:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-14 20:35:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-14 20:35:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-14 20:35:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-14 20:35:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-14 20:35:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-14 20:35:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-14 20:35:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-14 20:35:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-14 20:35:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-14 20:35:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-14 20:35:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-14 20:35:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-14 20:35:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 20:35:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-14 20:35:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-14 20:35:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-14 20:35:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-14 20:35:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-14 20:35:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-14 20:35:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-14 20:35:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-14 20:35:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-14 20:35:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-14 20:35:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-14 20:35:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-14 20:35:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-14 20:35:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-14 20:35:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-14 20:35:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-14 20:35:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_last [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-14 20:35:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:35:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:35:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:35:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-14 20:35:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:35:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:35:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:35:48,304 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-14 20:35:48,514 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:35:48,514 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-14 20:35:48,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:35:48 BoogieIcfgContainer [2019-08-14 20:35:48,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:35:48,517 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:35:48,517 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:35:48,517 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:35:48,518 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:35:48" (1/1) ... [2019-08-14 20:35:48,886 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-14 20:35:48,918 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:35:49,089 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-08-14 20:35:49,753 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-14 20:35:49,892 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-14 20:35:50,026 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-14 20:35:50,146 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-14 20:35:50,472 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-14 20:35:50,655 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:35:50,788 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-14 20:35:50,926 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-14 20:35:51,050 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-08-14 20:35:51,522 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:224) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:214) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:136) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools.post(SymbolicTools.java:98) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretInternal(DagInterpreter.java:200) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:182) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:95) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:67) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:62) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:193) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:180) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:95) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:105) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:89) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretLoop(DagInterpreter.java:144) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpret(IcfgInterpreter.java:116) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:77) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:69) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-14 20:35:51,528 INFO L168 Benchmark]: Toolchain (without parser) took 4477.15 ms. Allocated memory was 142.6 MB in the beginning and 253.2 MB in the end (delta: 110.6 MB). Free memory was 90.4 MB in the beginning and 203.0 MB in the end (delta: -112.6 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:51,529 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:35:51,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.57 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 90.2 MB in the beginning and 166.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:51,530 INFO L168 Benchmark]: Boogie Preprocessor took 71.43 ms. Allocated memory is still 201.9 MB. Free memory was 166.7 MB in the beginning and 163.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:51,531 INFO L168 Benchmark]: RCFGBuilder took 698.04 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 119.5 MB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:51,532 INFO L168 Benchmark]: Symbolic Interpretation took 3009.41 ms. Allocated memory was 201.9 MB in the beginning and 253.2 MB in the end (delta: 51.4 MB). Free memory was 119.5 MB in the beginning and 203.0 MB in the end (delta: -83.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:35:51,536 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.57 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 90.2 MB in the beginning and 166.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.43 ms. Allocated memory is still 201.9 MB. Free memory was 166.7 MB in the beginning and 163.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.04 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 119.5 MB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3009.41 ms. Allocated memory was 201.9 MB in the beginning and 253.2 MB in the end (delta: 51.4 MB). Free memory was 119.5 MB in the beginning and 203.0 MB in the end (delta: -83.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...