java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:15:05,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:15:05,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:15:05,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:15:05,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:15:05,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:15:05,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:15:05,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:15:05,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:15:05,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:15:05,183 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:15:05,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:15:05,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:15:05,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:15:05,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:15:05,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:15:05,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:15:05,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:15:05,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:15:05,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:15:05,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:15:05,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:15:05,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:15:05,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:15:05,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:15:05,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:15:05,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:15:05,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:15:05,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:15:05,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:15:05,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:15:05,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:15:05,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:15:05,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:15:05,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:15:05,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:15:05,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:15:05,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:15:05,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:15:05,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:15:05,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:15:05,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 07:15:05,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:15:05,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:15:05,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:15:05,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:15:05,242 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:15:05,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:15:05,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:15:05,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:15:05,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:15:05,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:15:05,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:15:05,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:15:05,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:15:05,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:15:05,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:15:05,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:15:05,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:15:05,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:15:05,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:15:05,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:15:05,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:15:05,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:05,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:15:05,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:15:05,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:15:05,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:15:05,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:15:05,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:15:05,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:15:05,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:15:05,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:15:05,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:15:05,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:15:05,293 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:15:05,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-08-18 07:15:05,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f02500ad/14af77694c6947389912970148c43c3c/FLAG1e2c2634e [2019-08-18 07:15:05,916 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:15:05,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-08-18 07:15:05,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f02500ad/14af77694c6947389912970148c43c3c/FLAG1e2c2634e [2019-08-18 07:15:06,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f02500ad/14af77694c6947389912970148c43c3c [2019-08-18 07:15:06,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:15:06,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:15:06,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:06,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:15:06,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:15:06,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31602756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06, skipping insertion in model container [2019-08-18 07:15:06,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:15:06,251 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:15:06,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:06,678 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:15:06,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:06,784 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:15:06,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06 WrapperNode [2019-08-18 07:15:06,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:06,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:15:06,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:15:06,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:15:06,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:15:06,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:15:06,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:15:06,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:15:06,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:15:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:15:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:15:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:15:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:15:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:15:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:15:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_last [2019-08-18 07:15:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:15:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:15:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:15:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:15:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:15:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:15:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:15:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:15:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:15:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:15:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:15:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:15:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:15:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:15:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:15:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:15:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:15:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:15:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:15:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:15:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:15:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:15:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:15:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:15:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:15:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:15:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:15:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:15:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:15:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:15:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:15:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:15:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:15:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:15:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:15:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:15:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:15:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:15:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:15:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:15:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:15:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:15:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:15:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:15:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:15:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:15:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:15:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:15:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:15:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:15:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:15:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:15:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:15:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:15:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:15:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:15:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:15:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:15:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:15:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:15:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:15:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:15:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:15:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:15:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:15:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_last [2019-08-18 07:15:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:15:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:15:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:15:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:15:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:15:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:15:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:15:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:15:07,290 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:15:07,445 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:15:07,445 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-18 07:15:07,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:07 BoogieIcfgContainer [2019-08-18 07:15:07,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:15:07,447 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:15:07,448 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:15:07,448 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:15:07,449 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:07" (1/1) ... [2019-08-18 07:15:07,460 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:15:07,463 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:15:07,469 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:15:07,477 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:15:07,479 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:15:07,553 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:15:07,554 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,569 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,570 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,572 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:15:07,595 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:15:07,630 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_27|]} [2019-08-18 07:15:07,638 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:15:07,639 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,671 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,680 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:15:07,681 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,705 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,706 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:15:07,707 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:15:07,724 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_$Pointer$.base_24|, |v_#memory_$Pointer$.offset_24|], 2=[|v_#memory_int_8|]} [2019-08-18 07:15:07,742 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:07,742 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,756 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 91 [2019-08-18 07:15:07,757 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,860 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-08-18 07:15:07,860 INFO L567 ElimStorePlain]: treesize reduction 4, result has 95.6 percent of original size [2019-08-18 07:15:07,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:07,875 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:15:07,876 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,938 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:07,947 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:15:07,948 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,996 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:15:07,997 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,040 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:08,073 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:08,075 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2019-08-18 07:15:08,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,129 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:08,132 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2019-08-18 07:15:08,132 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:08,180 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:08,181 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,225 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,225 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,226 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:08,266 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 107 [2019-08-18 07:15:08,268 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,484 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:08,484 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:08,494 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 97 [2019-08-18 07:15:08,496 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,601 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:08,601 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,610 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 88 [2019-08-18 07:15:08,611 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,713 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:08,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,722 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 79 [2019-08-18 07:15:08,724 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,838 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:08,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,847 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 72 [2019-08-18 07:15:08,848 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,939 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,940 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:08,940 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:08,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:08,973 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:08,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2019-08-18 07:15:08,979 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,148 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-18 07:15:09,149 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,174 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:09,177 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 83 [2019-08-18 07:15:09,178 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,303 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-18 07:15:09,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,318 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:09,321 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 103 [2019-08-18 07:15:09,322 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,441 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-18 07:15:09,441 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:09,464 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 84 [2019-08-18 07:15:09,465 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,561 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,582 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:09,584 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 73 [2019-08-18 07:15:09,585 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,680 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:09,689 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 64 [2019-08-18 07:15:09,690 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,769 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:09,771 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:09,807 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-18 07:15:09,808 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,842 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,850 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-18 07:15:09,851 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:09,887 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:09,888 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,914 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:09,938 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2019-08-18 07:15:09,938 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,961 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,963 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_23|], 6=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|]} [2019-08-18 07:15:09,969 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 07:15:09,970 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,026 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,027 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 105 [2019-08-18 07:15:10,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:15:10,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:15:10,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,054 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:15:10,110 INFO L567 ElimStorePlain]: treesize reduction 42, result has 63.8 percent of original size [2019-08-18 07:15:10,112 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:242) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:232) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:130) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools.post(SymbolicTools.java:106) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretInternal(DagInterpreter.java:200) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:182) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:95) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:67) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:62) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:193) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:180) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:95) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:101) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:85) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretLoop(DagInterpreter.java:144) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpret(IcfgInterpreter.java:116) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:77) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:69) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-18 07:15:10,116 INFO L168 Benchmark]: Toolchain (without parser) took 3917.42 ms. Allocated memory was 133.2 MB in the beginning and 262.1 MB in the end (delta: 129.0 MB). Free memory was 86.8 MB in the beginning and 222.9 MB in the end (delta: -136.1 MB). Peak memory consumption was 133.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,117 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.19 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.6 MB in the beginning and 162.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,119 INFO L168 Benchmark]: Boogie Preprocessor took 69.47 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 159.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,119 INFO L168 Benchmark]: RCFGBuilder took 592.32 ms. Allocated memory is still 199.2 MB. Free memory was 159.4 MB in the beginning and 115.0 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,120 INFO L168 Benchmark]: Symbolic Interpretation took 2667.20 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 115.0 MB in the beginning and 222.9 MB in the end (delta: -107.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 585.19 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.6 MB in the beginning and 162.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.47 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 159.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 592.32 ms. Allocated memory is still 199.2 MB. Free memory was 159.4 MB in the beginning and 115.0 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2667.20 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 115.0 MB in the beginning and 222.9 MB in the end (delta: -107.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...