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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:15:05,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:15:05,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:15:05,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:15:05,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:15:05,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:15:05,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:15:05,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:15:05,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:15:05,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:15:05,282 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:15:05,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:15:05,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:15:05,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:15:05,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:15:05,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:15:05,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:15:05,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:15:05,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:15:05,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:15:05,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:15:05,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:15:05,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:15:05,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:15:05,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:15:05,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:15:05,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:15:05,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:15:05,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:15:05,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:15:05,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:15:05,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:15:05,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:15:05,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:15:05,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:15:05,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:15:05,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:15:05,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:15:05,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:15:05,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:15:05,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:15:05,335 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 07:15:05,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:15:05,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:15:05,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:15:05,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:15:05,360 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:15:05,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:15:05,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:15:05,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:15:05,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:15:05,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:15:05,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:15:05,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:15:05,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:15:05,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:15:05,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:15:05,364 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:15:05,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:15:05,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:15:05,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:15:05,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:15:05,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:15:05,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:05,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:15:05,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:15:05,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:15:05,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:15:05,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:15:05,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:15:05,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:15:05,413 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:15:05,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:15:05,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:15:05,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:15:05,431 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:15:05,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2019-08-18 07:15:05,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5983cce13/b7d29d0c82224e2183a95815287a2f36/FLAG490a4330a [2019-08-18 07:15:06,122 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:15:06,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2019-08-18 07:15:06,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5983cce13/b7d29d0c82224e2183a95815287a2f36/FLAG490a4330a [2019-08-18 07:15:06,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5983cce13/b7d29d0c82224e2183a95815287a2f36 [2019-08-18 07:15:06,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:15:06,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:15:06,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:06,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:15:06,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:15:06,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4886e694 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 07:15:06,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:06" (1/1) ... [2019-08-18 07:15:06,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:15:06,437 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:15:06,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:06,869 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:15:06,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:06,976 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:15:06,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:06 WrapperNode [2019-08-18 07:15:06,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:06,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:15:06,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:15:06,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:15:06,992 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 07:15:06,992 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 07:15:07,010 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 07:15:07,011 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 07:15:07,028 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 07:15:07,034 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 07:15:07,038 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 07:15:07,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:15:07,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:15:07,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:15:07,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:15:07,054 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 07:15:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:15:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:15:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:15:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:15:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:15:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:15:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:15:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_first [2019-08-18 07:15:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:15:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:15:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:15:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:15:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:15:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:15:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:15:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:15:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:15:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:15:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:15:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:15:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:15:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:15:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:15:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:15:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:15:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:15:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:15:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:15:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:15:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:15:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:15:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:15:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:15:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:15:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:15:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:15:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:15:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:15:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:15:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:15:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:15:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:15:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:15:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:15:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:15:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:15:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:15:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:15:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:15:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:15:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:15:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:15:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:15:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:15:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:15:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:15:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:15:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:15:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:15:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:15:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:15:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:15:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:15:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:15:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:15:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:15:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:15:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:15:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:15:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:15:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:15:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:15:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:15:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:15:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:15:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:15:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:15:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:15:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:15:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_first [2019-08-18 07:15:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:15:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:15:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:15:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:15:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:15:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:15:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:15:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:15:07,483 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:15:07,660 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:15:07,661 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-18 07:15:07,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:07 BoogieIcfgContainer [2019-08-18 07:15:07,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:15:07,664 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:15:07,664 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:15:07,664 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:15:07,665 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 07:15:07,681 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:15:07,684 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:15:07,691 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:15:07,701 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:15:07,703 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:15:07,793 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 07:15:07,794 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,814 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,814 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:15:07,827 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:15:07,851 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_25|]} [2019-08-18 07:15:07,861 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 07:15:07,861 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,894 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,903 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 07:15:07,904 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:07,932 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:07,933 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:15:07,935 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:15:07,948 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_18|, |v_#memory_int_17|, |v_#memory_$Pointer$.base_18|], 2=[|v_#memory_int_8|]} [2019-08-18 07:15:07,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:07,992 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 99 [2019-08-18 07:15:07,994 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,013 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:08,013 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,321 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:15:08,322 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:15:08,333 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 19 treesize of output 1 [2019-08-18 07:15:08,334 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,382 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:08,397 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 07:15:08,397 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,462 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,470 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 07:15:08,471 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,506 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,506 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,507 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:08,546 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:08,551 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 07:15:08,551 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,614 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:08,617 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 07:15:08,618 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,667 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:08,683 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 07:15:08,684 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:08,729 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:08,730 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:08,760 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 07:15:08,761 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,019 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:09,020 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:09,031 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 07:15:09,032 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,143 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:09,144 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,154 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 07:15:09,155 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,258 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:09,259 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,270 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 07:15:09,271 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,380 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:09,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,390 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 07:15:09,391 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,495 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-18 07:15:09,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,497 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 07:15:09,497 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:09,501 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:09,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:09,546 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 102 treesize of output 86 [2019-08-18 07:15:09,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,722 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 07:15:09,723 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:09,738 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 95 [2019-08-18 07:15:09,740 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:09,892 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-18 07:15:09,893 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:09,903 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:09,914 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 92 treesize of output 84 [2019-08-18 07:15:09,915 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,041 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-08-18 07:15:10,041 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,052 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:10,058 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 07:15:10,059 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,194 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-18 07:15:10,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,202 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:10,205 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 83 treesize of output 75 [2019-08-18 07:15:10,206 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,300 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,311 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:10,316 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 72 treesize of output 64 [2019-08-18 07:15:10,317 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,407 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 07:15:10,407 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:10,441 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 07:15:10,442 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:10,495 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 07:15:10,496 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,528 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,535 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 07:15:10,536 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,563 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 07:15:10,563 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:10,582 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 07:15:10,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,613 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_21|], 6=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.base_22|]} [2019-08-18 07:15:10,620 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 07:15:10,621 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,641 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,688 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,689 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 46 treesize of output 92 [2019-08-18 07:15:10,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,697 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:15:10,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:10,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:15:10,703 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 07:15:10,810 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-08-18 07:15:10,811 INFO L567 ElimStorePlain]: treesize reduction 42, result has 65.0 percent of original size [2019-08-18 07:15:10,812 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 07:15:10,818 INFO L168 Benchmark]: Toolchain (without parser) took 4449.74 ms. Allocated memory was 131.6 MB in the beginning and 264.2 MB in the end (delta: 132.6 MB). Free memory was 86.3 MB in the beginning and 232.6 MB in the end (delta: -146.2 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,819 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.83 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 86.1 MB in the beginning and 164.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,821 INFO L168 Benchmark]: Boogie Preprocessor took 71.38 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 160.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,821 INFO L168 Benchmark]: RCFGBuilder took 613.67 ms. Allocated memory is still 200.3 MB. Free memory was 160.6 MB in the beginning and 118.7 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,822 INFO L168 Benchmark]: Symbolic Interpretation took 3152.82 ms. Allocated memory was 200.3 MB in the beginning and 264.2 MB in the end (delta: 64.0 MB). Free memory was 118.7 MB in the beginning and 232.6 MB in the end (delta: -113.9 MB). Peak memory consumption was 102.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:10,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.83 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 86.1 MB in the beginning and 164.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.38 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 160.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 613.67 ms. Allocated memory is still 200.3 MB. Free memory was 160.6 MB in the beginning and 118.7 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3152.82 ms. Allocated memory was 200.3 MB in the beginning and 264.2 MB in the end (delta: 64.0 MB). Free memory was 118.7 MB in the beginning and 232.6 MB in the end (delta: -113.9 MB). Peak memory consumption was 102.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...