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-rb-sentinel-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:55:52,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:55:52,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:55:52,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:55:52,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:55:52,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:55:52,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:55:52,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:55:52,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:55:52,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:55:52,649 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:55:52,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:55:52,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:55:52,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:55:52,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:55:52,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:55:52,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:55:52,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:55:52,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:55:52,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:55:52,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:55:52,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:55:52,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:55:52,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:55:52,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:55:52,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:55:52,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:55:52,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:55:52,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:55:52,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:55:52,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:55:52,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:55:52,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:55:52,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:55:52,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:55:52,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:55:52,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:55:52,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:55:52,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:55:52,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:55:52,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:55:52,675 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 06:55:52,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:55:52,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:55:52,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:55:52,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:55:52,700 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:55:52,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:55:52,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:55:52,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:55:52,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:55:52,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:55:52,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:55:52,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:55:52,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:55:52,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:55:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:55:52,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:55:52,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:55:52,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:55:52,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:55:52,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:55:52,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:55:52,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:55:52,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:55:52,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:55:52,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:55:52,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:55:52,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:55:52,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:55:52,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:55:52,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:55:52,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:55:52,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:55:52,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:55:52,783 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:55:52,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel-2.i [2019-08-18 06:55:52,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53fd8adc/d7eb20781f1d416e9a09b5b8daff73ce/FLAG7a3610918 [2019-08-18 06:55:53,358 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:55:53,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-rb-sentinel-2.i [2019-08-18 06:55:53,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53fd8adc/d7eb20781f1d416e9a09b5b8daff73ce/FLAG7a3610918 [2019-08-18 06:55:53,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c53fd8adc/d7eb20781f1d416e9a09b5b8daff73ce [2019-08-18 06:55:53,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:55:53,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:55:53,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:55:53,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:55:53,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:55:53,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:55:53" (1/1) ... [2019-08-18 06:55:53,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3638e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:53, skipping insertion in model container [2019-08-18 06:55:53,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:55:53" (1/1) ... [2019-08-18 06:55:53,739 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:55:53,788 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:55:54,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:55:54,200 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:55:54,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:55:54,322 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:55:54,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54 WrapperNode [2019-08-18 06:55:54,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:55:54,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:55:54,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:55:54,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:55:54,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (1/1) ... [2019-08-18 06:55:54,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:55:54,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:55:54,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:55:54,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:55:54,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:54" (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 06:55:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:55:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:55:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:55:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 06:55:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 06:55:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 06:55:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 06:55:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 06:55:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 06:55:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 06:55:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 06:55:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 06:55:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 06:55:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 06:55:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 06:55:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 06:55:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 06:55:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 06:55:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 06:55:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 06:55:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 06:55:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 06:55:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 06:55:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 06:55:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 06:55:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 06:55:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 06:55:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 06:55:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 06:55:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 06:55:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 06:55:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 06:55:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 06:55:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 06:55:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 06:55:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 06:55:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 06:55:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 06:55:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 06:55:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 06:55:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 06:55:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 06:55:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 06:55:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 06:55:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 06:55:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 06:55:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 06:55:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 06:55:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 06:55:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 06:55:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 06:55:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 06:55:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 06:55:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 06:55:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 06:55:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 06:55:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 06:55:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 06:55:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 06:55:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 06:55:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 06:55:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 06:55:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 06:55:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 06:55:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:55:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:55:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:55:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:55:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:55:55,054 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:55:55,055 INFO L283 CfgBuilder]: Removed 17 assume(true) statements. [2019-08-18 06:55:55,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:55:55 BoogieIcfgContainer [2019-08-18 06:55:55,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:55:55,057 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:55:55,057 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:55:55,057 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:55:55,058 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:55:55" (1/1) ... [2019-08-18 06:55:55,070 INFO L148 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-08-18 06:55:55,073 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:55:55,079 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:55:55,087 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:55:55,089 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:55:55,185 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 06:55:55,185 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:55:55,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:55,204 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:55:55,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:55:55,215 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 06:55:55,354 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_11|, |v_#memory_int_9|, |v_#memory_int_8|], 4=[|v_#memory_int_10|], 6=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|]} [2019-08-18 06:55:55,374 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:55,861 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-08-18 06:55:55,862 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:55,875 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:56,407 WARN L188 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-18 06:55:56,408 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:56,421 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:56,791 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-18 06:55:56,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:56,807 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:57,046 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-08-18 06:55:57,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:57,053 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:57,355 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-18 06:55:57,355 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:57,367 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:57,655 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-08-18 06:55:57,656 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:57,657 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:57,658 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:290, output treesize:264 [2019-08-18 06:55:57,696 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_16|, |v_#memory_int_17|], 16=[|v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.offset_30|]} [2019-08-18 06:55:57,722 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:59,607 WARN L188 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-18 06:55:59,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:59,626 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:56:01,415 WARN L188 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 157 [2019-08-18 06:56:01,416 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:56:01,438 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:56:03,720 WARN L188 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 153 [2019-08-18 06:56:03,721 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:56:03,735 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:56:06,950 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 149 [2019-08-18 06:56:06,950 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:56:06,953 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2019-08-18 06:56:06,953 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:526, output treesize:1153 [2019-08-18 06:56:06,984 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|, |v_#memory_int_28|, |v_#memory_int_29|], 4=[|v_#memory_int_38|], 20=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_21|]} [2019-08-18 06:56:07,198 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:56:28,710 WARN L188 SmtUtils]: Spent 21.51 s on a formula simplification that was a NOOP. DAG size: 214 [2019-08-18 06:56:28,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:56:28,841 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:56:48,669 WARN L188 SmtUtils]: Spent 19.83 s on a formula simplification that was a NOOP. DAG size: 211 [2019-08-18 06:56:48,670 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:56:48,827 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:57:11,399 WARN L188 SmtUtils]: Spent 22.57 s on a formula simplification that was a NOOP. DAG size: 208 [2019-08-18 06:57:11,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:57:11,464 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:57:26,354 WARN L188 SmtUtils]: Spent 14.89 s on a formula simplification that was a NOOP. DAG size: 204 [2019-08-18 06:57:26,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:57:26,400 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:57:52,705 WARN L188 SmtUtils]: Spent 26.30 s on a formula simplification that was a NOOP. DAG size: 200 [2019-08-18 06:57:52,706 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:57:52,817 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:18,434 WARN L188 SmtUtils]: Spent 25.62 s on a formula simplification that was a NOOP. DAG size: 196 [2019-08-18 06:58:18,434 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:58:18,437 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 6 dim-2 vars, End of recursive call: 16 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:18,438 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 16 variables, input treesize:10048, output treesize:16030 [2019-08-18 06:58:18,473 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:22,170 WARN L188 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 150 [2019-08-18 06:58:22,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:58:22,172 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 11 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:22,173 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:1180, output treesize:1168 [2019-08-18 06:58:22,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:58:22,331 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_16|], 6=[|v_#memory_int_17|], 82=[|v_#memory_$Pointer$.offset_33|, |v_#memory_$Pointer$.base_33|]} [2019-08-18 06:58:22,351 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:22,368 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:24,396 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:58:26,443 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:32,347 WARN L188 SmtUtils]: Spent 11.10 m on a formula simplification. DAG size of input: 392 DAG size of output: 360 [2019-08-18 07:09:32,348 INFO L567 ElimStorePlain]: treesize reduction 185293, result has 46.7 percent of original size [2019-08-18 07:09:34,319 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:36,355 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.