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-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:46:09,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:46:09,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:46:09,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:46:09,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:46:09,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:46:09,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:46:09,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:46:09,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:46:09,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:46:09,364 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:46:09,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:46:09,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:46:09,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:46:09,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:46:09,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:46:09,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:46:09,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:46:09,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:46:09,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:46:09,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:46:09,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:46:09,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:46:09,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:46:09,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:46:09,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:46:09,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:46:09,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:46:09,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:46:09,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:46:09,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:46:09,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:46:09,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:46:09,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:46:09,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:46:09,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:46:09,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:46:09,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:46:09,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:46:09,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:46:09,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:46:09,390 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 21:46:09,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:46:09,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:46:09,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:46:09,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:46:09,406 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:46:09,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:46:09,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:46:09,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:46:09,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:46:09,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:46:09,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:46:09,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:46:09,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:46:09,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:46:09,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:46:09,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:46:09,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:46:09,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:46:09,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:46:09,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:46:09,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:46:09,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:46:09,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:46:09,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:46:09,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:46:09,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:46:09,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:46:09,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:46:09,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:46:09,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:46:09,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:46:09,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:46:09,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:46:09,457 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:46:09,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue-2.i [2019-08-22 21:46:09,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7403e567/b76cb97d309f42be9b67c896132cd7dd/FLAG6bd17a504 [2019-08-22 21:46:10,008 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:46:10,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-queue-2.i [2019-08-22 21:46:10,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7403e567/b76cb97d309f42be9b67c896132cd7dd/FLAG6bd17a504 [2019-08-22 21:46:10,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7403e567/b76cb97d309f42be9b67c896132cd7dd [2019-08-22 21:46:10,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:46:10,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:46:10,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:46:10,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:46:10,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:46:10,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd7e76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10, skipping insertion in model container [2019-08-22 21:46:10,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:46:10" (1/1) ... [2019-08-22 21:46:10,327 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:46:10,370 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:46:10,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:46:10,843 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:46:10,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:46:10,963 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:46:10,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:10 WrapperNode [2019-08-22 21:46:10,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:46:10,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:46:10,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:46:10,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:46:10,976 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 21:46:10,977 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 21:46:10,998 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 21:46:10,998 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 21:46:11,021 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 21:46:11,042 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 21:46:11,048 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 21:46:11,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:46:11,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:46:11,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:46:11,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:46:11,067 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 21:46:11,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:46:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:46:11,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:46:11,127 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:46:11,127 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:46:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:46:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:46:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:46:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:46:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:46:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:46:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:46:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:46:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:46:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:46:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:46:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:46:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:46:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:46:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:46:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:46:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:46:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:46:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:46:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:46:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:46:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:46:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:46:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:46:11,133 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:46:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:46:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:46:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:46:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:46:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:46:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:46:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:46:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:46:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:46:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:46:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:46:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:46:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:46:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:46:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:46:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:46:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:46:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:46:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:46:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:46:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:46:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:46:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:46:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:46:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:46:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:46:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:46:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:46:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:46:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:46:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:46:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:46:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:46:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:46:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:46:11,834 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:46:11,834 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-08-22 21:46:11,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:46:11 BoogieIcfgContainer [2019-08-22 21:46:11,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:46:11,836 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:46:11,837 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:46:11,837 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:46:11,838 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 21:46:11,853 INFO L148 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-08-22 21:46:11,855 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:46:11,862 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:46:11,872 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:46:11,874 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:46:11,960 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 21:46:11,961 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:46:11,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:11,982 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:46:11,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:46:12,003 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:46:13,005 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 21:46:13,233 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-08-22 21:46:13,233 INFO L567 ElimStorePlain]: treesize reduction 9, result has 94.2 percent of original size [2019-08-22 21:46:13,239 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 21:46:13,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:13,322 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 21:46:13,323 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:167, output treesize:132 [2019-08-22 21:46:13,349 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 21:46:13,367 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 21:46:14,150 WARN L188 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-22 21:46:14,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:14,179 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 21:46:14,717 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:46:14,717 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:14,730 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 21:46:15,271 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-22 21:46:15,272 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:15,287 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 21:46:16,055 WARN L188 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-22 21:46:16,056 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:16,060 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 21:46:16,061 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:383, output treesize:542 [2019-08-22 21:46:16,147 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 21:46:17,320 WARN L188 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 117 [2019-08-22 21:46:17,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:17,323 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 21:46:17,324 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:577, output treesize:565 [2019-08-22 21:46:18,987 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 21:46:18,997 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 21:46:19,844 WARN L188 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-22 21:46:19,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:19,871 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 21:46:20,554 WARN L188 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-22 21:46:20,554 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:20,574 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 21:46:21,060 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-22 21:46:21,061 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:21,087 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 21:46:21,781 WARN L188 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-22 21:46:21,782 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:21,783 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 21:46:21,783 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:383, output treesize:542 [2019-08-22 21:46:22,343 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 21:46:23,623 WARN L188 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 117 [2019-08-22 21:46:23,623 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:23,625 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 21:46:23,625 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:577, output treesize:565 [2019-08-22 21:46:23,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:23,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:23,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:23,783 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 21:46:23,792 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 21:46:23,896 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 21:46:23,907 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 21:46:23,917 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 21:46:43,183 WARN L188 SmtUtils]: Spent 19.26 s on a formula simplification. DAG size of input: 196 DAG size of output: 163 [2019-08-22 21:46:43,183 INFO L567 ElimStorePlain]: treesize reduction 12804, result has 25.0 percent of original size [2019-08-22 21:46:43,206 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 21:46:49,299 WARN L188 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-22 21:46:49,300 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:49,343 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 21:46:55,508 WARN L188 SmtUtils]: Spent 6.16 s on a formula simplification that was a NOOP. DAG size: 156 [2019-08-22 21:46:55,508 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:55,533 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 21:47:04,578 WARN L188 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 152 [2019-08-22 21:47:04,579 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:04,580 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 21:47:04,581 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:17057, output treesize:7000 [2019-08-22 21:47:04,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:47:04,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:47:04,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:47:04,620 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 21:47:04,651 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 21:47:04,753 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 21:47:04,764 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 21:47:04,772 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 21:47:22,471 WARN L188 SmtUtils]: Spent 17.70 s on a formula simplification. DAG size of input: 196 DAG size of output: 163 [2019-08-22 21:47:22,471 INFO L567 ElimStorePlain]: treesize reduction 12804, result has 25.0 percent of original size [2019-08-22 21:47:22,489 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 21:47:27,865 WARN L188 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-22 21:47:27,865 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:27,895 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 21:47:32,963 WARN L188 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 156 [2019-08-22 21:47:32,963 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:47:32,984 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.