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/forester-heap/sll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:49:15,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:49:15,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:49:15,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:49:15,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:49:15,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:49:15,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:49:15,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:49:15,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:49:15,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:49:15,615 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:49:15,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:49:15,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:49:15,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:49:15,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:49:15,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:49:15,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:49:15,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:49:15,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:49:15,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:49:15,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:49:15,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:49:15,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:49:15,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:49:15,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:49:15,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:49:15,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:49:15,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:49:15,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:49:15,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:49:15,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:49:15,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:49:15,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:49:15,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:49:15,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:49:15,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:49:15,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:49:15,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:49:15,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:49:15,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:49:15,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:49:15,640 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 [2019-08-22 21:49:15,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:49:15,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:49:15,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:49:15,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:49:15,656 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:49:15,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:49:15,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:49:15,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:49:15,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:49:15,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:49:15,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:49:15,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:49:15,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:49:15,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:49:15,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:49:15,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:49:15,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:49:15,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:49:15,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:49:15,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:49:15,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:49:15,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:49:15,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:49:15,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:49:15,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:49:15,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:49:15,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:49:15,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:49:15,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:49:15,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:49:15,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:49:15,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:49:15,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:49:15,706 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:49:15,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token-2.i [2019-08-22 21:49:15,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc4578e6/5d466ded3f6746879ca52191042f0850/FLAG3f802bd82 [2019-08-22 21:49:16,240 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:49:16,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i [2019-08-22 21:49:16,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc4578e6/5d466ded3f6746879ca52191042f0850/FLAG3f802bd82 [2019-08-22 21:49:16,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc4578e6/5d466ded3f6746879ca52191042f0850 [2019-08-22 21:49:16,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:49:16,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:49:16,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:49:16,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:49:16,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:49:16,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:49:16" (1/1) ... [2019-08-22 21:49:16,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e63e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:16, skipping insertion in model container [2019-08-22 21:49:16,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:49:16" (1/1) ... [2019-08-22 21:49:16,616 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:49:16,654 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:49:17,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:49:17,174 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:49:17,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:49:17,297 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:49:17,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17 WrapperNode [2019-08-22 21:49:17,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:49:17,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:49:17,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:49:17,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:49:17,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (1/1) ... [2019-08-22 21:49:17,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:49:17,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:49:17,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:49:17,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:49:17,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:17" (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 [2019-08-22 21:49:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:49:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:49:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:49:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:49:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:49:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:49:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:49:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:49:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:49:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:49:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:49:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:49:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:49:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:49:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:49:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:49:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:49:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:49:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:49:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:49:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:49:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:49:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:49:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:49:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:49:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:49:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:49:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:49:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:49:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:49:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:49:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:49:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:49:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:49:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:49:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:49:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:49:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:49:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:49:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:49:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:49:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:49:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:49:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:49:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:49:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:49:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:49:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:49:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:49:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:49:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:49:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:49:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:49:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:49:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:49:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:49:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:49:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:49:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:49:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:49:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:49:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:49:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:49:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:49:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:49:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:49:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:49:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:49:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:49:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:49:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:49:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:49:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:49:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:49:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:49:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:49:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:49:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:49:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:49:18,056 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:49:18,056 INFO L283 CfgBuilder]: Removed 15 assume(true) statements. [2019-08-22 21:49:18,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:18 BoogieIcfgContainer [2019-08-22 21:49:18,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:49:18,058 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:49:18,058 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:49:18,059 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:49:18,060 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:18" (1/1) ... [2019-08-22 21:49:18,074 INFO L148 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-08-22 21:49:18,077 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:49:18,084 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:49:18,093 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:49:18,094 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:49:18,183 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 [2019-08-22 21:49:18,184 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:18,202 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:18,203 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:49:18,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:49:18,223 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:49:18,327 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:18,507 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-08-22 21:49:18,508 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.7 percent of original size [2019-08-22 21:49:18,509 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:18,510 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:114 [2019-08-22 21:49:18,550 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_10|], 4=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|]} [2019-08-22 21:49:18,566 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:18,911 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-22 21:49:18,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:18,923 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:19,299 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-22 21:49:19,299 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:19,308 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:19,623 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-22 21:49:19,624 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:19,625 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:19,626 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:228, output treesize:225 [2019-08-22 21:49:19,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:19,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:19,702 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_2, |v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.offset_20|, |v_#memory_int_10|], 4=[v_prenex_1, v_prenex_3]} [2019-08-22 21:49:19,785 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:24,803 WARN L188 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 166 [2019-08-22 21:49:24,803 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:24,868 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:29,739 WARN L188 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 162 [2019-08-22 21:49:29,740 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:29,769 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:33,945 WARN L188 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 158 [2019-08-22 21:49:33,946 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:33,987 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:38,028 WARN L188 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 155 [2019-08-22 21:49:38,029 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:38,072 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:41,810 WARN L188 SmtUtils]: Spent 3.74 s on a formula simplification that was a NOOP. DAG size: 151 [2019-08-22 21:49:41,810 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:41,833 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:44,869 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 147 [2019-08-22 21:49:44,870 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:44,873 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-2 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2019-08-22 21:49:44,874 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:558, output treesize:637 [2019-08-22 21:49:45,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:45,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:45,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:45,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:45,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:45,124 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_8, v_prenex_9, v_prenex_21, |v_#memory_$Pointer$.offset_21|, v_prenex_23, v_prenex_22, v_prenex_16, v_prenex_7, |v_#memory_int_10|, |v_#memory_$Pointer$.base_21|], 4=[v_prenex_17, v_prenex_15]} [2019-08-22 21:49:47,174 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.