java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:15,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:15,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:15,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:15,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:15,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:15,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:15,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:15,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:15,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:15,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:15,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:15,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:15,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:15,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:15,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:15,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:15,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:15,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:15,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:15,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:15,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:15,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:15,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:15,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:15,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:15,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:15,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:15,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:15,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:15,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:15,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:15,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:15,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:15,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:15,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:15,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:15,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:15,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:15,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:15,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:15,856 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 17:28:15,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:15,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:15,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:15,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:15,877 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:15,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:15,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:15,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:15,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:15,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:15,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:15,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:15,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:15,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:15,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:15,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:15,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:15,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:15,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:15,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:15,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:15,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:15,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:15,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:15,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:15,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:15,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:15,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:15,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:28:15,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:15,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:15,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:15,939 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:15,939 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:15,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-20 17:28:16,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd2d60e6/99fe568a4ea24a29b106e4f034785759/FLAG2bfc4e42f [2019-09-20 17:28:16,538 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:16,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-20 17:28:16,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd2d60e6/99fe568a4ea24a29b106e4f034785759/FLAG2bfc4e42f [2019-09-20 17:28:16,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcd2d60e6/99fe568a4ea24a29b106e4f034785759 [2019-09-20 17:28:16,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:16,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:16,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:16,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:16,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:16,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1950c0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:16, skipping insertion in model container [2019-09-20 17:28:16,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:16" (1/1) ... [2019-09-20 17:28:16,886 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:16,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:17,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:17,402 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:17,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:17,508 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:17,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17 WrapperNode [2019-09-20 17:28:17,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:17,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:17,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:17,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:17,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (1/1) ... [2019-09-20 17:28:17,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:17,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:17,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:17,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:17,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:17" (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 17:28:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:28:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 17:28:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 17:28:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-20 17:28:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:28:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 17:28:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:28:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:18,010 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:18,310 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:18,310 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:28:18,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:18 BoogieIcfgContainer [2019-09-20 17:28:18,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:18,314 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:18,315 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:18,315 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:18,316 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:18" (1/1) ... [2019-09-20 17:28:18,317 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:28:18,357 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:18,357 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:18,376 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:18,387 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:18,388 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:18,621 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:18,855 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:28:18,936 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:20,054 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 17:28:20,342 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-20 17:28:20,483 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:20,603 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:20,757 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:28:20,890 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:28:21,134 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:21,308 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:28:21,468 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:21,615 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:21,753 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:21,884 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:28:22,326 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-20 17:28:22,565 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-20 17:28:22,674 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:28:22,915 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-20 17:28:23,425 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2019-09-20 17:28:23,657 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:23,870 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:28:24,097 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:28:24,295 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:28:24,549 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:28:24,738 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:24,930 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:28:25,099 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 17:28:25,262 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:28:25,919 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:26,441 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:26,838 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:27,155 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:27,391 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:27,594 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:27,785 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:28:27,984 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:28:28,152 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:28,302 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:28:28,884 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-09-20 17:28:29,048 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:29,192 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:28:29,329 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:29,866 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2019-09-20 17:28:29,900 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:30,385 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 17:28:30,677 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:30,683 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:30,698 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:31,022 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-20 17:28:31,163 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-20 17:28:31,309 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-20 17:28:31,556 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-20 17:28:31,723 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:31,895 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:32,246 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-20 17:28:32,613 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-20 17:28:32,775 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:28:33,134 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-09-20 17:28:33,620 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 17:28:33,892 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:34,384 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2019-09-20 17:28:34,951 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 17:28:35,203 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:35,763 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-20 17:28:36,420 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2019-09-20 17:28:36,728 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:28:37,374 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-20 17:28:38,619 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2019-09-20 17:28:39,201 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:28:40,414 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2019-09-20 17:28:41,780 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 148 DAG size of output: 138 [2019-09-20 17:28:42,492 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 17:28:43,916 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 140 DAG size of output: 139 [2019-09-20 17:28:45,508 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2019-09-20 17:28:46,327 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 17:28:48,007 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-09-20 17:28:50,060 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 174 DAG size of output: 163 [2019-09-20 17:28:51,045 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-20 17:28:53,190 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2019-09-20 17:28:57,213 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2019-09-20 17:28:59,242 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 186