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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:27:15,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:27:15,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:27:15,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:27:15,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:27:15,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:27:15,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:27:15,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:27:15,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:27:15,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:27:15,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:27:15,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:27:15,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:27:15,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:27:15,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:27:15,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:27:15,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:27:15,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:27:15,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:27:15,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:27:15,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:27:15,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:27:15,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:27:15,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:27:15,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:27:15,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:27:15,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:27:15,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:27:15,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:27:15,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:27:15,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:27:15,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:27:15,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:27:15,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:27:15,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:27:15,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:27:15,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:27:15,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:27:15,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:27:15,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:27:15,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:27:15,980 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 [2019-09-20 21:27:16,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:27:16,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:27:16,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:27:16,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:27:16,005 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:27:16,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:27:16,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:27:16,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:27:16,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:27:16,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:27:16,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:27:16,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:27:16,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:27:16,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:27:16,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:27:16,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:27:16,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:27:16,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:27:16,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:27:16,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:27:16,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:27:16,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:16,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:27:16,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:27:16,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:27:16,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:27:16,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:27:16,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:27:16,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> InterpretCallSummarizer 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 [2019-09-20 21:27:16,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:16,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:16,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:16,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:16,087 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:16,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-09-20 21:27:16,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6438483/d31d25ae34f24365bbd7b24f944ccedb/FLAG17268820a [2019-09-20 21:27:16,622 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:16,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_remove_all_reverse.i [2019-09-20 21:27:16,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6438483/d31d25ae34f24365bbd7b24f944ccedb/FLAG17268820a [2019-09-20 21:27:16,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6438483/d31d25ae34f24365bbd7b24f944ccedb [2019-09-20 21:27:16,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:17,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:17,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:17,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:17,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:17,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:16" (1/1) ... [2019-09-20 21:27:17,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22416d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17, skipping insertion in model container [2019-09-20 21:27:17,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:16" (1/1) ... [2019-09-20 21:27:17,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:17,055 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:17,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:17,488 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:17,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:17,597 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:17,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17 WrapperNode [2019-09-20 21:27:17,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:17,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:17,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:17,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:17,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (1/1) ... [2019-09-20 21:27:17,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:17,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:17,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:17,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:17,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:17" (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 [2019-09-20 21:27:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 21:27:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_remove_last [2019-09-20 21:27:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:17,739 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:17,744 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure dll_remove_last [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:27:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:27:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:18,163 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:18,435 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:18,436 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 21:27:18,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:18 BoogieIcfgContainer [2019-09-20 21:27:18,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:18,438 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:18,438 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:18,439 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:18,440 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:18" (1/1) ... [2019-09-20 21:27:18,441 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:27:18,465 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:18,465 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:18,473 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:18,481 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:18,483 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:18,631 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:18,855 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 21:27:19,493 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-20 21:27:19,653 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 21:27:19,779 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:27:30,349 WARN L191 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 189 DAG size of output: 175 [2019-09-20 21:27:33,167 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-20 21:27:36,125 WARN L191 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-20 21:27:38,463 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 21:27:40,580 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 21:27:42,827 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 189 [2019-09-20 21:27:42,951 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:43,001 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:43,035 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:45,536 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 21:27:46,422 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:27:47,216 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:27:48,045 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:27:48,732 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:27:49,549 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-20 21:27:50,210 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-20 21:27:50,666 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2019-09-20 21:27:50,729 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:50,733 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:51,097 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:27:51,240 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:27:51,528 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2019-09-20 21:27:51,664 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 21:27:52,161 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-20 21:27:52,940 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-20 21:27:53,053 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 21:27:53,352 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-20 21:27:53,616 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-20 21:27:53,755 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:53,761 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:53,767 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:53,915 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-20 21:27:54,122 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:27:54,272 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:27:54,698 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-20 21:27:54,907 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 21:27:55,432 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-20 21:27:55,654 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 21:27:56,217 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2019-09-20 21:27:56,481 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 21:27:57,168 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-20 21:27:57,482 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:27:58,666 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-09-20 21:27:59,226 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 21:28:00,514 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2019-09-20 21:28:01,158 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 21:28:02,658 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2019-09-20 21:28:03,383 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 121