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-ext2-properties/simple_and_skiplist_2lvl-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 04:00:35,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 04:00:35,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 04:00:35,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 04:00:35,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 04:00:35,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 04:00:35,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 04:00:35,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 04:00:35,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 04:00:35,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 04:00:35,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 04:00:35,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 04:00:35,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 04:00:35,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 04:00:35,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 04:00:35,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 04:00:35,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 04:00:35,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 04:00:35,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 04:00:35,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 04:00:35,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 04:00:35,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 04:00:35,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 04:00:35,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 04:00:35,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 04:00:35,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 04:00:35,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 04:00:35,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 04:00:35,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 04:00:35,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 04:00:35,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 04:00:35,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 04:00:35,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 04:00:35,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 04:00:35,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 04:00:35,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 04:00:35,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 04:00:35,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 04:00:35,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 04:00:35,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 04:00:35,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 04:00:35,195 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 [2019-08-31 04:00:35,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 04:00:35,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 04:00:35,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 04:00:35,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 04:00:35,212 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 04:00:35,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 04:00:35,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 04:00:35,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 04:00:35,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 04:00:35,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 04:00:35,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 04:00:35,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 04:00:35,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 04:00:35,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 04:00:35,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 04:00:35,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 04:00:35,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 04:00:35,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 04:00:35,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 04:00:35,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 04:00:35,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 04:00:35,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 04:00:35,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 04:00:35,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 04:00:35,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 04:00:35,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 04:00:35,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 04:00:35,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 04:00:35,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 04:00:35,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 04:00:35,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 04:00:35,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 04:00:35,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 04:00:35,278 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 04:00:35,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i [2019-08-31 04:00:35,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4833f2cf6/7bdbef14327c443f838dadd4c6e98c96/FLAG17cc5245d [2019-08-31 04:00:35,911 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 04:00:35,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i [2019-08-31 04:00:35,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4833f2cf6/7bdbef14327c443f838dadd4c6e98c96/FLAG17cc5245d [2019-08-31 04:00:36,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4833f2cf6/7bdbef14327c443f838dadd4c6e98c96 [2019-08-31 04:00:36,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 04:00:36,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 04:00:36,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 04:00:36,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 04:00:36,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 04:00:36,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:36,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cea3662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36, skipping insertion in model container [2019-08-31 04:00:36,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:36,250 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 04:00:36,297 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 04:00:36,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 04:00:36,831 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 04:00:36,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 04:00:36,968 INFO L192 MainTranslator]: Completed translation [2019-08-31 04:00:36,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36 WrapperNode [2019-08-31 04:00:36,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 04:00:36,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 04:00:36,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 04:00:36,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 04:00:36,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:36,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:37,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:37,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:37,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:37,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:37,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (1/1) ... [2019-08-31 04:00:37,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 04:00:37,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 04:00:37,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 04:00:37,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 04:00:37,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:00:36" (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 [2019-08-31 04:00:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 04:00:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 04:00:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-31 04:00:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-31 04:00:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-08-31 04:00:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-08-31 04:00:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-08-31 04:00:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-08-31 04:00:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-31 04:00:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 04:00:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 04:00:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 04:00:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 04:00:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 04:00:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 04:00:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 04:00:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 04:00:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 04:00:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 04:00:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 04:00:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 04:00:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 04:00:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 04:00:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 04:00:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 04:00:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 04:00:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 04:00:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 04:00:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-31 04:00:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-31 04:00:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 04:00:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 04:00:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 04:00:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 04:00:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 04:00:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 04:00:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 04:00:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 04:00:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 04:00:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 04:00:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 04:00:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 04:00:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 04:00:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 04:00:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 04:00:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 04:00:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 04:00:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 04:00:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 04:00:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 04:00:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 04:00:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 04:00:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 04:00:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 04:00:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 04:00:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 04:00:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 04:00:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 04:00:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 04:00:37,135 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 04:00:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 04:00:37,136 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 04:00:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 04:00:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 04:00:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 04:00:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 04:00:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 04:00:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 04:00:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 04:00:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 04:00:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 04:00:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 04:00:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 04:00:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 04:00:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 04:00:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 04:00:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 04:00:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 04:00:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 04:00:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 04:00:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 04:00:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 04:00:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 04:00:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 04:00:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 04:00:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 04:00:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 04:00:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 04:00:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 04:00:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 04:00:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 04:00:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 04:00:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 04:00:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-08-31 04:00:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 04:00:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-08-31 04:00:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 04:00:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 04:00:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-08-31 04:00:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-08-31 04:00:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 04:00:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-31 04:00:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 04:00:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 04:00:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 04:00:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 04:00:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 04:00:37,554 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-31 04:00:37,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 04:00:37,902 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-31 04:00:37,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:00:37 BoogieIcfgContainer [2019-08-31 04:00:37,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 04:00:37,905 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 04:00:37,905 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 04:00:37,905 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 04:00:37,906 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:00:37" (1/1) ... [2019-08-31 04:00:37,946 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 04:00:37,947 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 04:00:37,955 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 04:00:37,963 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 04:00:37,965 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 04:00:38,063 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 [2019-08-31 04:00:38,064 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:38,078 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:38,079 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 04:00:38,079 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 04:00:38,096 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 04:00:38,128 WARN L98 DagInterpreter]: A function never reaches its return [2019-08-31 04:00:38,204 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:38,228 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:38,704 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-08-31 04:00:38,706 INFO L567 ElimStorePlain]: treesize reduction 199, result has 46.4 percent of original size [2019-08-31 04:00:38,715 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:38,844 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-31 04:00:38,845 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:38,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:38,847 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:369, output treesize:173 [2019-08-31 04:00:38,887 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:38,896 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,267 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-08-31 04:00:39,267 INFO L567 ElimStorePlain]: treesize reduction 171, result has 48.6 percent of original size [2019-08-31 04:00:39,276 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,380 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-31 04:00:39,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:39,383 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,383 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:357, output treesize:150 [2019-08-31 04:00:39,421 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,618 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-31 04:00:39,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:39,620 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,621 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:220, output treesize:224 [2019-08-31 04:00:39,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:39,736 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,775 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,801 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:39,823 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,096 WARN L188 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2019-08-31 04:00:43,097 INFO L567 ElimStorePlain]: treesize reduction 430, result has 49.1 percent of original size [2019-08-31 04:00:43,113 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,127 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,911 WARN L188 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-31 04:00:43,911 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:43,914 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2019-08-31 04:00:43,914 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:893, output treesize:391 [2019-08-31 04:00:43,945 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:43,978 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:00:46,281 WARN L188 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 153 [2019-08-31 04:00:46,282 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:46,284 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2019-08-31 04:00:46,285 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:586, output treesize:620 [2019-08-31 04:00:46,425 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 68 treesize of output 64 [2019-08-31 04:00:46,426 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,435 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 68 treesize of output 64 [2019-08-31 04:00:46,436 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:46,504 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 64 treesize of output 60 [2019-08-31 04:00:46,504 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,510 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 64 treesize of output 60 [2019-08-31 04:00:46,511 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,558 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:46,565 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 60 treesize of output 41 [2019-08-31 04:00:46,565 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,576 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 60 treesize of output 41 [2019-08-31 04:00:46,577 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,601 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:46,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 04:00:46,606 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83 [2019-08-31 04:00:46,619 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_23|], 1=[|v_#valid_34|]} [2019-08-31 04:00:46,635 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 103 treesize of output 102 [2019-08-31 04:00:46,636 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,648 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 103 treesize of output 102 [2019-08-31 04:00:46,649 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,759 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-08-31 04:00:46,760 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:46,777 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 102 treesize of output 99 [2019-08-31 04:00:46,778 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,797 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 102 treesize of output 99 [2019-08-31 04:00:46,797 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,911 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-31 04:00:46,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:46,916 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_48|], 6=[|v_#memory_$Pointer$.base_48|, |v_#memory_$Pointer$.offset_48|]} [2019-08-31 04:00:46,929 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 96 treesize of output 92 [2019-08-31 04:00:46,930 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:46,953 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 96 treesize of output 92 [2019-08-31 04:00:46,954 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,067 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-08-31 04:00:47,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:47,107 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 04:00:47,108 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 90 [2019-08-31 04:00:47,109 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,169 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 04:00:47,170 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 84 [2019-08-31 04:00:47,171 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,274 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-31 04:00:47,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:47,314 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 04:00:47,315 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 1 case distinctions, treesize of input 81 treesize of output 79 [2019-08-31 04:00:47,316 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,348 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 04:00:47,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2019-08-31 04:00:47,350 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,459 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-31 04:00:47,459 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:47,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:47,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:47,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:47,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:47,464 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 04:00:47,464 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 9 variables, input treesize:207, output treesize:77 [2019-08-31 04:00:47,507 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 68 treesize of output 49 [2019-08-31 04:00:47,507 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,512 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 68 treesize of output 49 [2019-08-31 04:00:47,513 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,544 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:47,551 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 49 treesize of output 45 [2019-08-31 04:00:47,552 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,558 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 49 treesize of output 45 [2019-08-31 04:00:47,559 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,586 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:47,592 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 45 treesize of output 41 [2019-08-31 04:00:47,593 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,597 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 45 treesize of output 41 [2019-08-31 04:00:47,598 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:47,624 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:00:47,626 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 04:00:47,626 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83 [2019-08-31 04:00:47,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:00:47,668 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_50|], 24=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_21|]} [2019-08-31 04:00:48,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 04:00:48,360 INFO L235 Elim1Store]: Index analysis took 429 ms [2019-08-31 04:00:49,011 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 239 treesize of output 200 [2019-08-31 04:00:49,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 04:00:49,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 04:00:49,329 INFO L235 Elim1Store]: Index analysis took 127 ms [2019-08-31 04:00:49,713 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 239 treesize of output 200 [2019-08-31 04:00:49,714 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:06,102 WARN L188 SmtUtils]: Spent 16.39 s on a formula simplification. DAG size of input: 163 DAG size of output: 155 [2019-08-31 04:01:06,103 INFO L567 ElimStorePlain]: treesize reduction 188, result has 75.0 percent of original size [2019-08-31 04:01:06,129 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:06,193 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:06,224 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:08,586 WARN L188 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 145 [2019-08-31 04:01:08,587 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:01:08,613 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:08,692 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:01:08,693 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 170 [2019-08-31 04:01:08,694 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:08,758 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:01:08,759 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 170 [2019-08-31 04:01:08,760 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:11,153 WARN L188 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 144 DAG size of output: 134 [2019-08-31 04:01:11,153 INFO L567 ElimStorePlain]: treesize reduction 72, result has 82.8 percent of original size [2019-08-31 04:01:11,261 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size [2019-08-31 04:01:11,262 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 139 [2019-08-31 04:01:11,265 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:11,277 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:11,386 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size [2019-08-31 04:01:11,387 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 139 [2019-08-31 04:01:11,390 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:12,113 WARN L188 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2019-08-31 04:01:12,114 INFO L567 ElimStorePlain]: treesize reduction 84, result has 78.8 percent of original size [2019-08-31 04:01:12,170 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:01:12,171 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 1 case distinctions, treesize of input 96 treesize of output 129 [2019-08-31 04:01:12,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:01:12,173 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:12,180 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 04:01:12,219 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 04:01:12,220 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 129 [2019-08-31 04:01:12,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:01:12,222 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-31 04:01:12,700 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-08-31 04:01:12,700 INFO L567 ElimStorePlain]: treesize reduction 44, result has 87.7 percent of original size [2019-08-31 04:01:12,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 04:01:12,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 04:01:12,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 04:01:12,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 04:01:12,706 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-08-31 04:01:12,706 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:829, output treesize:181 [2019-08-31 04:01:12,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 04:01:12,790 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 04:01:12,790 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 04:01:12,794 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 163#(and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (or (not (= main_~p~0.offset 0)) (not (= 0 main_~p~0.base)))) [2019-08-31 04:01:12,809 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 04:01:12,810 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 04:01:12,811 INFO L168 Benchmark]: Toolchain (without parser) took 36578.85 ms. Allocated memory was 134.7 MB in the beginning and 295.7 MB in the end (delta: 161.0 MB). Free memory was 89.1 MB in the beginning and 158.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-08-31 04:01:12,812 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 134.7 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 04:01:12,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.19 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 163.9 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-08-31 04:01:12,813 INFO L168 Benchmark]: Boogie Preprocessor took 85.83 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 161.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-31 04:01:12,814 INFO L168 Benchmark]: RCFGBuilder took 847.20 ms. Allocated memory is still 201.9 MB. Free memory was 160.5 MB in the beginning and 105.1 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-08-31 04:01:12,815 INFO L168 Benchmark]: Sifa took 34905.20 ms. Allocated memory was 201.9 MB in the beginning and 295.7 MB in the end (delta: 93.8 MB). Free memory was 105.1 MB in the beginning and 158.9 MB in the end (delta: -53.9 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2019-08-31 04:01:12,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 134.7 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.19 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 163.9 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.83 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 161.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 847.20 ms. Allocated memory is still 201.9 MB. Free memory was 160.5 MB in the beginning and 105.1 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. * Sifa took 34905.20 ms. Allocated memory was 201.9 MB in the beginning and 295.7 MB in the end (delta: 93.8 MB). Free memory was 105.1 MB in the beginning and 158.9 MB in the end (delta: -53.9 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 34.8s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 64 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 52 TOOLS_POST_APPLICATIONS, 34.5s TOOLS_POST_TIME, 7 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 6 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 34.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 70 FLUID_QUERIES, 2 FLUID_YES_ANSWERS, 17 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 2 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 4 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 6 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.2s DOMAIN_ISSUBSETEQ_TIME, 13 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 8.7s LOOP_SUMMARIZER_OVERALL_TIME, 8.7s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 6 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 6 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 185 DAG_COMPRESSION_PROCESSED_NODES, 85 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 163#(and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (or (not (= main_~p~0.offset 0)) (not (= 0 main_~p~0.base)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...