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_append_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:14:51,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:14:51,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:14:51,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:14:51,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:14:51,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:14:51,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:14:51,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:14:51,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:14:51,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:14:51,324 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:14:51,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:14:51,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:14:51,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:14:51,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:14:51,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:14:51,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:14:51,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:14:51,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:14:51,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:14:51,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:14:51,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:14:51,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:14:51,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:14:51,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:14:51,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:14:51,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:14:51,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:14:51,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:14:51,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:14:51,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:14:51,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:14:51,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:14:51,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:14:51,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:14:51,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:14:51,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:14:51,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:14:51,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:14:51,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:14:51,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:14:51,357 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 07:14:51,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:14:51,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:14:51,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:14:51,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:14:51,381 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:14:51,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:14:51,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:14:51,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:14:51,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:14:51,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:14:51,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:14:51,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:14:51,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:14:51,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:14:51,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:14:51,386 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:14:51,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:14:51,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:14:51,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:14:51,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:14:51,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:14:51,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:14:51,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:14:51,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:14:51,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:14:51,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:14:51,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:14:51,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:14:51,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:14:51,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:14:51,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:14:51,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:14:51,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:14:51,462 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:14:51,463 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_append_equal.i [2019-08-18 07:14:51,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bac3b0f3/066b84c13e674aec9a48a8f04257f279/FLAG0375e76d4 [2019-08-18 07:14:52,120 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:14:52,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_append_equal.i [2019-08-18 07:14:52,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bac3b0f3/066b84c13e674aec9a48a8f04257f279/FLAG0375e76d4 [2019-08-18 07:14:52,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bac3b0f3/066b84c13e674aec9a48a8f04257f279 [2019-08-18 07:14:52,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:14:52,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:14:52,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:14:52,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:14:52,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:14:52,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:14:52" (1/1) ... [2019-08-18 07:14:52,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658b219c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:52, skipping insertion in model container [2019-08-18 07:14:52,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:14:52" (1/1) ... [2019-08-18 07:14:52,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:14:52,484 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:14:52,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:14:53,013 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:14:53,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:14:53,166 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:14:53,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53 WrapperNode [2019-08-18 07:14:53,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:14:53,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:14:53,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:14:53,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:14:53,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:14:53,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:14:53,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:14:53,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:14:53,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:53" (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 07:14:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:14:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:14:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:14:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:14:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:14:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:14:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:14:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:14:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_append [2019-08-18 07:14:53,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:14:53,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:14:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:14:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:14:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:14:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:14:53,309 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:14:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:14:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:14:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:14:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:14:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:14:53,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:14:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:14:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:14:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:14:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:14:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:14:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:14:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:14:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:14:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:14:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:14:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:14:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:14:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:14:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:14:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:14:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:14:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:14:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:14:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:14:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:14:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:14:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:14:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:14:53,314 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:14:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:14:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:14:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:14:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:14:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:14:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:14:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:14:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:14:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:14:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:14:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:14:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:14:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:14:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:14:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:14:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:14:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:14:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:14:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:14:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:14:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:14:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:14:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:14:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:14:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:14:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:14:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:14:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:14:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:14:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:14:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:14:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:14:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:14:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:14:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:14:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:14:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:14:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:14:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:14:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:14:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure sll_append [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:14:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:14:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:14:53,719 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:14:53,946 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:14:53,946 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 07:14:53,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:14:53 BoogieIcfgContainer [2019-08-18 07:14:53,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:14:53,948 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:14:53,948 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:14:53,949 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:14:53,950 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:14:53" (1/1) ... [2019-08-18 07:14:53,962 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:14:53,964 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:14:53,971 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:14:53,980 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:14:53,982 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:14:54,069 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 07:14:54,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,086 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:14:54,099 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:14:54,150 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_29|]} [2019-08-18 07:14:54,158 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 07:14:54,158 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,191 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,200 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 07:14:54,201 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,237 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,237 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:14:54,239 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:14:54,251 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|, |v_#memory_int_22|], 2=[|v_#memory_int_8|]} [2019-08-18 07:14:54,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:14:54,281 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 07:14:54,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,295 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:14:54,296 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,459 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:14:54,459 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:14:54,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:14:54,475 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 07:14:54,476 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,537 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,548 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 07:14:54,548 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,597 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 11 treesize of output 7 [2019-08-18 07:14:54,598 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,640 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,641 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:14:54,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:14:54,694 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 07:14:54,695 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,753 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:14:54,755 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 07:14:54,755 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,803 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,812 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:14:54,813 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 07:14:54,814 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:54,851 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:54,852 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:14:54,879 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 07:14:54,880 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:55,127 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:14:55,127 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:14:55,138 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 07:14:55,139 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:55,266 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:14:55,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:55,277 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 07:14:55,278 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:55,385 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:14:55,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:55,395 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 07:14:55,396 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:55,520 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:14:55,520 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:55,529 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 07:14:55,530 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:55,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:55,621 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 07:14:55,621 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:14:55,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:14:55,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:14:55,655 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 07:14:55,656 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:55,841 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 07:14:55,841 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:55,861 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:14:55,867 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 07:14:55,868 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,034 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-08-18 07:14:56,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:14:56,046 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 86 [2019-08-18 07:14:56,048 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,215 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-08-18 07:14:56,215 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,224 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:14:56,230 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 07:14:56,231 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,337 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-18 07:14:56,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,345 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:14:56,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2019-08-18 07:14:56,350 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,449 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:14:56,451 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 07:14:56,453 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,540 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,541 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 07:14:56,542 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:14:56,568 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 07:14:56,569 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:14:56,615 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 07:14:56,616 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,649 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,658 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 07:14:56,659 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,689 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 07:14:56,690 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:14:56,726 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:14:56,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:14:56,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:14:56,753 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 07:14:56,753 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,761 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,791 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 13 treesize of output 9 [2019-08-18 07:14:56,791 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,798 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,801 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 13 treesize of output 9 [2019-08-18 07:14:56,802 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,807 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:56,807 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:46, output treesize:19 [2019-08-18 07:14:56,817 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 6=[|v_#memory_$Pointer$.base_34|, |v_#memory_$Pointer$.offset_34|]} [2019-08-18 07:14:56,846 INFO L341 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2019-08-18 07:14:56,846 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 23 treesize of output 19 [2019-08-18 07:14:56,847 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-08-18 07:14:56,893 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,933 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:56,934 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 57 [2019-08-18 07:14:56,936 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:57,039 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-08-18 07:14:57,039 INFO L567 ElimStorePlain]: treesize reduction 16, result has 85.2 percent of original size [2019-08-18 07:14:57,086 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:57,086 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 57 [2019-08-18 07:14:57,087 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:57,183 INFO L567 ElimStorePlain]: treesize reduction 24, result has 77.1 percent of original size [2019-08-18 07:14:57,184 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:57,184 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:81 [2019-08-18 07:14:57,206 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:14:57,207 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:14:57,209 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 134#true [2019-08-18 07:14:57,224 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:14:57,224 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:14:57,226 INFO L168 Benchmark]: Toolchain (without parser) took 4828.47 ms. Allocated memory was 140.0 MB in the beginning and 262.1 MB in the end (delta: 122.2 MB). Free memory was 86.3 MB in the beginning and 173.6 MB in the end (delta: -87.3 MB). Peak memory consumption was 126.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:14:57,227 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:14:57,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.28 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 161.3 MB in the end (delta: -75.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:14:57,228 INFO L168 Benchmark]: Boogie Preprocessor took 64.67 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 158.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:14:57,229 INFO L168 Benchmark]: RCFGBuilder took 714.16 ms. Allocated memory is still 199.8 MB. Free memory was 158.2 MB in the beginning and 111.2 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:14:57,230 INFO L168 Benchmark]: Symbolic Interpretation took 3275.69 ms. Allocated memory was 199.8 MB in the beginning and 262.1 MB in the end (delta: 62.4 MB). Free memory was 111.2 MB in the beginning and 176.0 MB in the end (delta: -64.8 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:14:57,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 620]: 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 134#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.28 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 161.3 MB in the end (delta: -75.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.67 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 158.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 714.16 ms. Allocated memory is still 199.8 MB. Free memory was 158.2 MB in the beginning and 111.2 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3275.69 ms. Allocated memory was 199.8 MB in the beginning and 262.1 MB in the end (delta: 62.4 MB). Free memory was 111.2 MB in the beginning and 176.0 MB in the end (delta: -64.8 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...