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/dll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:46:08,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:46:08,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:46:08,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:46:08,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:46:08,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:46:08,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:46:08,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:46:08,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:46:08,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:46:08,688 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:46:08,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:46:08,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:46:08,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:46:08,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:46:08,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:46:08,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:46:08,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:46:08,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:46:08,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:46:08,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:46:08,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:46:08,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:46:08,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:46:08,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:46:08,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:46:08,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:46:08,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:46:08,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:46:08,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:46:08,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:46:08,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:46:08,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:46:08,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:46:08,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:46:08,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:46:08,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:46:08,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:46:08,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:46:08,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:46:08,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:46:08,722 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 21:46:08,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:46:08,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:46:08,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:46:08,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:46:08,749 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:46:08,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:46:08,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:46:08,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:46:08,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:46:08,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:46:08,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:46:08,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:46:08,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:46:08,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:46:08,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:46:08,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:46:08,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:46:08,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:46:08,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:46:08,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:46:08,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:46:08,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:46:08,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:46:08,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:46:08,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:46:08,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:46:08,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:46:08,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:46:08,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:46:08,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:46:08,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:46:08,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:46:08,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:46:08,805 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:46:08,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue-1.i [2019-08-22 21:46:08,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71781e01f/11fa9d2de8c94c369870112e2446a737/FLAG2bf5e340b [2019-08-22 21:46:09,481 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:46:09,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-queue-1.i [2019-08-22 21:46:09,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71781e01f/11fa9d2de8c94c369870112e2446a737/FLAG2bf5e340b [2019-08-22 21:46:09,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71781e01f/11fa9d2de8c94c369870112e2446a737 [2019-08-22 21:46:09,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:46:09,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:46:09,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:46:09,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:46:09,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:46:09,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:46:09" (1/1) ... [2019-08-22 21:46:09,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f0b2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:09, skipping insertion in model container [2019-08-22 21:46:09,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:46:09" (1/1) ... [2019-08-22 21:46:09,785 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:46:09,837 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:46:10,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:46:10,225 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:46:10,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:46:10,325 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:46:10,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10 WrapperNode [2019-08-22 21:46:10,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:46:10,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:46:10,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:46:10,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:46:10,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:46:10,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:46:10,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:46:10,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:46:10,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10" (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 21:46:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:46:10,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:46:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:46:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:46:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:46:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:46:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:46:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:46:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:46:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:46:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:46:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:46:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:46:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:46:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:46:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:46:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:46:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:46:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:46:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:46:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:46:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:46:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:46:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:46:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:46:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:46:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:46:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:46:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:46:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:46:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:46:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:46:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:46:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:46:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:46:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:46:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:46:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:46:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:46:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:46:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:46:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:46:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:46:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:46:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:46:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:46:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:46:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:46:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:46:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:46:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:46:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:46:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:46:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:46:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:46:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:46:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:46:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:46:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:46:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:46:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:46:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:46:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:46:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:46:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:46:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:46:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:46:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:46:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:46:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:46:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:46:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:46:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:46:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:46:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:46:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:46:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:46:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:46:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:46:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:46:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:46:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:46:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:46:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:46:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:46:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:46:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:46:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:46:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:46:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:46:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:46:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:46:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:46:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:46:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:46:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:46:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:46:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:46:11,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:46:11,215 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-08-22 21:46:11,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:46:11 BoogieIcfgContainer [2019-08-22 21:46:11,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:46:11,218 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:46:11,219 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:46:11,219 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:46:11,220 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:46:11" (1/1) ... [2019-08-22 21:46:11,239 INFO L148 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-08-22 21:46:11,242 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:46:11,251 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:46:11,259 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:46:11,261 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:46:11,336 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 21:46:11,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:46:11,369 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:11,369 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:46:11,370 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:46:11,389 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:46:12,366 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 21:46:12,636 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-08-22 21:46:12,636 INFO L567 ElimStorePlain]: treesize reduction 9, result has 94.2 percent of original size [2019-08-22 21:46:12,644 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 21:46:12,743 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:12,745 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:12,745 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:167, output treesize:132 [2019-08-22 21:46:12,783 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_12|, |v_#memory_int_13|], 16=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|]} [2019-08-22 21:46:12,800 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 21:46:13,411 WARN L188 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-22 21:46:13,411 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:13,423 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 21:46:14,225 WARN L188 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:46:14,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:14,240 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 21:46:14,867 WARN L188 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-22 21:46:14,868 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:14,880 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 21:46:15,647 WARN L188 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-22 21:46:15,648 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:15,650 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:15,651 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:383, output treesize:542 [2019-08-22 21:46:15,694 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 21:46:16,842 WARN L188 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 117 [2019-08-22 21:46:16,842 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:16,844 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:16,845 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:577, output treesize:565 [2019-08-22 21:46:16,870 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_12|, |v_#memory_int_13|], 16=[|v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.offset_30|]} [2019-08-22 21:46:16,887 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:17,635 WARN L188 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-22 21:46:17,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:17,649 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 21:46:18,402 WARN L188 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:46:18,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:18,417 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 21:46:19,099 WARN L188 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-22 21:46:19,100 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:19,111 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 21:46:19,902 WARN L188 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-22 21:46:19,903 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:19,905 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:19,905 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:383, output treesize:542 [2019-08-22 21:46:20,629 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 21:46:21,823 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 117 [2019-08-22 21:46:21,824 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:21,825 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:21,826 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:577, output treesize:565 [2019-08-22 21:46:22,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:22,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:22,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:22,052 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_12|, |v_#memory_int_13|], 16=[|v_#memory_$Pointer$.base_36|, |v_#memory_$Pointer$.offset_36|]} [2019-08-22 21:46:22,062 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 21:46:22,135 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 21:46:22,145 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 21:46:22,156 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 21:46:40,965 WARN L188 SmtUtils]: Spent 18.81 s on a formula simplification. DAG size of input: 196 DAG size of output: 163 [2019-08-22 21:46:40,966 INFO L567 ElimStorePlain]: treesize reduction 12804, result has 25.0 percent of original size [2019-08-22 21:46:40,990 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 21:46:47,421 WARN L188 SmtUtils]: Spent 6.43 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-22 21:46:47,422 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:47,456 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 21:46:53,479 WARN L188 SmtUtils]: Spent 6.02 s on a formula simplification that was a NOOP. DAG size: 156 [2019-08-22 21:46:53,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:53,497 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:47:00,524 WARN L188 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 152 [2019-08-22 21:47:00,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:00,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 12 dim-0 vars, and 1 xjuncts. [2019-08-22 21:47:00,527 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:17057, output treesize:7000 [2019-08-22 21:47:00,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:47:00,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:47:00,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:47:00,574 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_12|, |v_#memory_int_13|], 16=[|v_#memory_$Pointer$.base_38|, |v_#memory_$Pointer$.offset_38|]} [2019-08-22 21:47:00,582 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 21:47:00,655 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 21:47:00,667 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 21:47:00,676 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 21:47:19,407 WARN L188 SmtUtils]: Spent 18.73 s on a formula simplification. DAG size of input: 196 DAG size of output: 163 [2019-08-22 21:47:19,407 INFO L567 ElimStorePlain]: treesize reduction 12804, result has 25.0 percent of original size [2019-08-22 21:47:19,428 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 21:47:24,297 WARN L188 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-22 21:47:24,297 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:24,336 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 21:47:29,375 WARN L188 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 156 [2019-08-22 21:47:29,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:29,401 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:47:34,673 WARN L188 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 152 [2019-08-22 21:47:34,674 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:34,676 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 12 dim-0 vars, and 1 xjuncts. [2019-08-22 21:47:34,676 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:17057, output treesize:7000 [2019-08-22 21:47:34,727 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.