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-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:46:01,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:46:01,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:46:01,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:46:01,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:46:01,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:46:01,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:46:01,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:46:01,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:46:01,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:46:01,444 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:46:01,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:46:01,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:46:01,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:46:01,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:46:01,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:46:01,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:46:01,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:46:01,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:46:01,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:46:01,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:46:01,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:46:01,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:46:01,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:46:01,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:46:01,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:46:01,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:46:01,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:46:01,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:46:01,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:46:01,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:46:01,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:46:01,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:46:01,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:46:01,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:46:01,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:46:01,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:46:01,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:46:01,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:46:01,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:46:01,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:46:01,473 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 21:46:01,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:46:01,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:46:01,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:46:01,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:46:01,489 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:46:01,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:46:01,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:46:01,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:46:01,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:46:01,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:46:01,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:46:01,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:46:01,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:46:01,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:46:01,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:46:01,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:46:01,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:46:01,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:46:01,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:46:01,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:46:01,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:46:01,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:46:01,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:46:01,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:46:01,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:46:01,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:46:01,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:46:01,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:46:01,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:46:01,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:46:01,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:46:01,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:46:01,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:46:01,541 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:46:01,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-08-22 21:46:01,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9254138d2/10199b184785413e8f21b9dd3327e24d/FLAGce7b4de8e [2019-08-22 21:46:02,195 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:46:02,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-08-22 21:46:02,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9254138d2/10199b184785413e8f21b9dd3327e24d/FLAGce7b4de8e [2019-08-22 21:46:02,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9254138d2/10199b184785413e8f21b9dd3327e24d [2019-08-22 21:46:02,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:46:02,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:46:02,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:46:02,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:46:02,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:46:02,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:46:02" (1/1) ... [2019-08-22 21:46:02,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d200ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:02, skipping insertion in model container [2019-08-22 21:46:02,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:46:02" (1/1) ... [2019-08-22 21:46:02,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:46:02,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:46:02,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:46:02,916 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:46:02,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:46:03,032 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:46:03,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03 WrapperNode [2019-08-22 21:46:03,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:46:03,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:46:03,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:46:03,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:46:03,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:46:03,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:46:03,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:46:03,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:46:03,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:46:03" (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 21:46:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:46:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:46:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:46:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:46:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:46:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:46:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:46:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:46:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:46:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:46:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:46:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:46:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:46:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:46:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:46:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:46:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:46:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:46:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:46:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:46:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:46:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:46:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:46:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:46:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:46:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:46:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:46:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:46:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:46:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:46:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:46:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:46:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:46:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:46:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:46:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:46:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:46:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:46:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:46:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:46:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:46:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:46:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:46:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:46:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:46:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:46:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:46:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:46:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:46:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:46:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:46:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:46:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:46:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:46:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:46:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:46:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:46:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:46:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:46:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:46:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:46:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:46:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:46:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:46:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:46:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:46:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:46:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:46:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:46:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:46:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:46:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:46:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:46:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:46:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:46:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:46:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:46:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:46:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:46:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:46:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:46:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:46:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:46:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:46:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:46:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:46:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:46:03,702 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:46:03,702 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-22 21:46:03,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:46:03 BoogieIcfgContainer [2019-08-22 21:46:03,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:46:03,704 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:46:03,705 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:46:03,705 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:46:03,706 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:46:03" (1/1) ... [2019-08-22 21:46:03,722 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-22 21:46:03,725 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:46:03,732 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:46:03,741 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:46:03,743 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:46:03,858 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 21:46:03,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:46:03,875 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:03,875 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:46:03,876 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:46:03,896 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:46:03,978 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 21:46:04,190 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-08-22 21:46:04,190 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.9 percent of original size [2019-08-22 21:46:04,194 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:04,194 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:117 [2019-08-22 21:46:04,237 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|, |v_#memory_int_10|], 16=[|v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.offset_20|]} [2019-08-22 21:46:04,250 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 21:46:04,965 WARN L188 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-22 21:46:04,966 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:04,982 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 21:46:05,463 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-22 21:46:05,464 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:05,485 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 21:46:05,952 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-22 21:46:05,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:05,966 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 21:46:06,686 WARN L188 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-08-22 21:46:06,687 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:06,690 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-22 21:46:06,690 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:376, output treesize:470 [2019-08-22 21:46:06,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:06,765 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 21:46:06,781 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 21:46:13,813 WARN L188 SmtUtils]: Spent 7.03 s on a formula simplification that was a NOOP. DAG size: 162 [2019-08-22 21:46:13,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:46:13,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2019-08-22 21:46:13,817 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:995, output treesize:971 [2019-08-22 21:46:13,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:13,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:13,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:13,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:13,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:46:14,111 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_9, v_prenex_21, v_prenex_31, v_prenex_40, v_prenex_35, |v_#memory_int_9|, v_prenex_17, |v_#memory_int_10|, v_prenex_15, v_prenex_7], 16=[v_prenex_8, v_prenex_32, v_prenex_30, v_prenex_14, |v_#memory_$Pointer$.offset_22|, v_prenex_46, v_prenex_39, |v_#memory_$Pointer$.base_22|, v_prenex_16, v_prenex_6]} [2019-08-22 21:46:16,142 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.