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_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:15:08,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:15:08,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:15:08,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:15:08,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:15:08,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:15:08,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:15:08,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:15:08,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:15:08,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:15:08,238 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:15:08,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:15:08,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:15:08,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:15:08,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:15:08,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:15:08,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:15:08,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:15:08,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:15:08,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:15:08,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:15:08,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:15:08,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:15:08,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:15:08,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:15:08,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:15:08,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:15:08,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:15:08,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:15:08,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:15:08,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:15:08,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:15:08,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:15:08,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:15:08,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:15:08,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:15:08,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:15:08,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:15:08,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:15:08,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:15:08,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:15:08,279 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 07:15:08,308 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:15:08,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:15:08,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:15:08,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:15:08,311 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:15:08,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:15:08,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:15:08,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:15:08,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:15:08,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:15:08,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:15:08,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:15:08,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:15:08,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:15:08,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:15:08,315 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:15:08,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:15:08,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:15:08,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:15:08,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:15:08,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:15:08,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:08,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:15:08,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:15:08,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:15:08,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:15:08,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:15:08,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:15:08,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:15:08,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:15:08,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:15:08,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:15:08,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:15:08,380 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:15:08,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-08-18 07:15:08,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc0eaf2/a7b67ba0954c4f8b9e30087642532dae/FLAG3164e6f8e [2019-08-18 07:15:09,111 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:15:09,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-08-18 07:15:09,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc0eaf2/a7b67ba0954c4f8b9e30087642532dae/FLAG3164e6f8e [2019-08-18 07:15:09,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc0eaf2/a7b67ba0954c4f8b9e30087642532dae [2019-08-18 07:15:09,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:15:09,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:15:09,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:09,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:15:09,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:15:09,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:09,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ad5b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09, skipping insertion in model container [2019-08-18 07:15:09,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:09,360 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:15:09,414 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:15:09,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:09,868 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:15:09,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:09,986 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:15:09,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09 WrapperNode [2019-08-18 07:15:09,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:09,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:15:09,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:15:09,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:15:10,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (1/1) ... [2019-08-18 07:15:10,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:15:10,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:15:10,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:15:10,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:15:10,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:09" (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 07:15:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:15:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:15:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:15:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-08-18 07:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-08-18 07:15:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:15:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:15:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:15:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:15:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:15:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:15:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:15:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:15:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:15:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:15:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:15:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:15:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:15:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:15:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:15:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:15:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:15:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:15:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:15:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:15:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:15:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:15:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-08-18 07:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-08-18 07:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:15:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:15:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:15:10,546 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:15:10,722 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:15:10,722 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-18 07:15:10,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:10 BoogieIcfgContainer [2019-08-18 07:15:10,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:15:10,724 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:15:10,724 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:15:10,725 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:15:10,726 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,738 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:15:10,741 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:15:10,748 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:15:10,757 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:15:10,759 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:15:10,845 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 07:15:10,846 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,861 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,861 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:15:10,872 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:15:10,905 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 1=[|v_#valid_18|]} [2019-08-18 07:15:10,918 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 07:15:10,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,966 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 07:15:10,967 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:10,998 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:10,999 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:15:11,000 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:15:11,023 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|, |v_#memory_int_18|], 2=[|v_#memory_int_11|]} [2019-08-18 07:15:11,055 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:11,055 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:11,080 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 07:15:11,083 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,240 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:15:11,241 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:15:11,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:11,262 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 07:15:11,263 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,348 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 07:15:11,348 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,401 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 07:15:11,401 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,446 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,446 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,447 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:11,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:11,500 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 07:15:11,501 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,560 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:11,563 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 07:15:11,564 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,615 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:11,618 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 07:15:11,619 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,660 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,662 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:11,717 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 07:15:11,718 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,952 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:11,952 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:11,964 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 07:15:11,965 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,085 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:12,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,101 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 07:15:12,102 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,224 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:12,225 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,234 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 07:15:12,235 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,351 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:12,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,360 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 07:15:12,361 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,453 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,454 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 07:15:12,454 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:12,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:12,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:12,501 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 07:15:12,503 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,706 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 07:15:12,706 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,718 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:12,727 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2019-08-18 07:15:12,728 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,895 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-08-18 07:15:12,896 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,907 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:12,912 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 07:15:12,913 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,044 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-18 07:15:13,044 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,053 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:13,058 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 07:15:13,059 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,179 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-18 07:15:13,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:13,195 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 91 treesize of output 75 [2019-08-18 07:15:13,197 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,282 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,290 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:13,298 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 07:15:13,299 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,390 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 07:15:13,391 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:13,426 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 07:15:13,427 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,471 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,478 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 07:15:13,478 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,526 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:13,536 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 07:15:13,538 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,576 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,577 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 07:15:13,578 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:13,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:13,628 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 07:15:13,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,638 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,643 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 07:15:13,643 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,665 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 07:15:13,665 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,673 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,674 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,674 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:46, output treesize:12 [2019-08-18 07:15:13,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:13,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:13,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:13,867 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:15:13,867 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:15:13,870 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 170#(exists ((v_sll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) main_~expected~0)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647))) [2019-08-18 07:15:13,882 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:15:13,882 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:15:13,885 INFO L168 Benchmark]: Toolchain (without parser) took 4541.55 ms. Allocated memory was 140.5 MB in the beginning and 260.6 MB in the end (delta: 120.1 MB). Free memory was 86.8 MB in the beginning and 200.9 MB in the end (delta: -114.1 MB). Peak memory consumption was 122.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:13,888 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:13,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.63 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.4 MB in the beginning and 165.0 MB in the end (delta: -78.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:13,896 INFO L168 Benchmark]: Boogie Preprocessor took 79.89 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 161.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:13,900 INFO L168 Benchmark]: RCFGBuilder took 655.70 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 116.6 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:13,901 INFO L168 Benchmark]: Symbolic Interpretation took 3157.89 ms. Allocated memory was 200.3 MB in the beginning and 260.6 MB in the end (delta: 60.3 MB). Free memory was 116.0 MB in the beginning and 200.9 MB in the end (delta: -84.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:13,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 619]: 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 170#(exists ((v_sll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) main_~expected~0)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.63 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.4 MB in the beginning and 165.0 MB in the end (delta: -78.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.89 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 161.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 655.70 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 116.6 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3157.89 ms. Allocated memory was 200.3 MB in the beginning and 260.6 MB in the end (delta: 60.3 MB). Free memory was 116.0 MB in the beginning and 200.9 MB in the end (delta: -84.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...