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_QUICK -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:54:50,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:54:50,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:54:50,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:54:50,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:54:50,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:54:50,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:54:50,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:54:50,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:54:50,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:54:50,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:54:50,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:54:50,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:54:50,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:54:50,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:54:50,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:54:50,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:54:50,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:54:50,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:54:50,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:54:50,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:54:50,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:54:50,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:54:50,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:54:50,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:54:50,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:54:50,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:54:50,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:54:50,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:54:50,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:54:50,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:54:50,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:54:50,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:54:50,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:54:50,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:54:50,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:54:50,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:54:50,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:54:50,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:54:50,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:54:50,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:54:50,105 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 [2019-09-21 09:54:50,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:54:50,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:54:50,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:54:50,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:54:50,129 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:54:50,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:54:50,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:54:50,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:54:50,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:54:50,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:54:50,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:54:50,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:54:50,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:54:50,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:54:50,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:54:50,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:54:50,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:54:50,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:54:50,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:54:50,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:54:50,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:54:50,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:54:50,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:54:50,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:54:50,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:54:50,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:54:50,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:54:50,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:54:50,136 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_QUICK [2019-09-21 09:54:50,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:54:50,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:54:50,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:54:50,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:54:50,208 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:54:50,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-21 09:54:50,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d278f205b/5e295864e95b490180f4276409f45f80/FLAG253a1ce7d [2019-09-21 09:54:50,824 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:54:50,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-21 09:54:50,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d278f205b/5e295864e95b490180f4276409f45f80/FLAG253a1ce7d [2019-09-21 09:54:51,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d278f205b/5e295864e95b490180f4276409f45f80 [2019-09-21 09:54:51,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:54:51,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:54:51,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:51,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:54:51,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:54:51,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df72a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51, skipping insertion in model container [2019-09-21 09:54:51,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:54:51,184 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:54:51,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:51,619 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:54:51,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:51,767 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:54:51,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51 WrapperNode [2019-09-21 09:54:51,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:51,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:54:51,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:54:51,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:54:51,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (1/1) ... [2019-09-21 09:54:51,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:54:51,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:54:51,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:54:51,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:54:51,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:51" (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 [2019-09-21 09:54:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:54:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:54:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:54:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:54:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 09:54:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 09:54:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-21 09:54:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-21 09:54:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-21 09:54:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-21 09:54:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:54:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:54:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:54:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:54:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:54:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:54:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:54:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:54:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:54:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:54:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:54:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:54:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:54:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:54:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:54:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:54:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:54:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:54:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:54:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:54:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:54:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:54:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:54:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:54:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:54:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:54:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:54:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:54:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:54:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:54:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:54:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:54:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:54:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:54:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:54:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:54:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:54:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:54:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:54:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:54:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:54:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:54:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:54:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:54:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:54:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:54:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:54:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:54:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:54:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:54:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:54:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:54:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:54:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:54:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:54:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:54:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 09:54:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 09:54:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:54:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:54:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:54:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:54:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:54:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:54:52,434 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 09:54:52,688 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:54:52,688 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-21 09:54:52,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:52 BoogieIcfgContainer [2019-09-21 09:54:52,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:54:52,690 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:54:52,691 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:54:52,691 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:54:52,692 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:52" (1/1) ... [2019-09-21 09:54:52,693 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:54:52,717 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:54:52,717 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:54:52,724 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:54:52,731 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:54:52,733 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:54:52,913 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-21 09:54:52,988 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:54:53,088 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:53,751 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:54,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:55,915 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:56,918 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:56,935 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:56,953 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:57,001 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:57,013 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:57,066 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:57,080 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:57,260 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:01,106 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:01,190 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:01,256 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:03,701 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 203 [2019-09-21 09:55:04,063 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-09-21 09:55:04,233 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-09-21 09:55:04,478 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2019-09-21 09:55:04,645 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 269 [2019-09-21 09:55:04,750 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2019-09-21 09:55:04,939 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 262 [2019-09-21 09:55:05,156 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2019-09-21 09:55:05,378 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2019-09-21 09:55:05,693 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 413 [2019-09-21 09:55:05,989 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 350 [2019-09-21 09:55:06,171 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2019-09-21 09:55:06,475 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 335 [2019-09-21 09:55:06,878 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 574 [2019-09-21 09:55:07,216 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 574 [2019-09-21 09:55:07,785 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 573 [2019-09-21 09:55:08,162 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 444 [2019-09-21 09:55:08,447 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-09-21 09:55:08,853 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 424 [2019-09-21 09:55:09,505 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 795 [2019-09-21 09:55:10,187 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 795 [2019-09-21 09:55:11,116 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 791 [2019-09-21 09:55:11,608 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 565 [2019-09-21 09:55:12,025 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-21 09:55:12,737 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 545 [2019-09-21 09:55:13,923 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 1078 [2019-09-21 09:55:15,090 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 1078 [2019-09-21 09:55:17,508 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1079 DAG size of output: 1069 [2019-09-21 09:55:18,497 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 747 [2019-09-21 09:55:19,292 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 747 [2019-09-21 09:55:20,937 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 721 [2019-09-21 09:55:23,263 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 1509 [2019-09-21 09:55:25,594 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 1509 [2019-09-21 09:55:29,392 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 1510 DAG size of output: 1500