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/heap-data/min_max.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:54:41,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:54:41,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:54:41,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:54:41,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:54:41,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:54:41,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:54:41,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:54:41,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:54:41,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:54:41,474 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:54:41,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:54:41,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:54:41,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:54:41,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:54:41,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:54:41,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:54:41,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:54:41,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:54:41,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:54:41,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:54:41,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:54:41,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:54:41,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:54:41,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:54:41,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:54:41,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:54:41,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:54:41,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:54:41,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:54:41,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:54:41,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:54:41,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:54:41,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:54:41,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:54:41,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:54:41,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:54:41,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:54:41,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:54:41,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:54:41,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:54:41,501 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 21:54:41,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:54:41,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:54:41,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:54:41,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:54:41,521 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:54:41,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:54:41,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:54:41,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:54:41,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:54:41,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:54:41,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:54:41,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:54:41,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:54:41,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:54:41,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:54:41,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:54:41,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:54:41,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:54:41,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:54:41,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:54:41,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:54:41,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:54:41,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:54:41,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:54:41,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:54:41,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:54:41,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:54:41,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:54:41,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:54:41,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:54:41,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:54:41,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:54:41,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:54:41,605 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:54:41,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/min_max.i [2019-08-22 21:54:41,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0496b25/43718e3ea2ce42748f51ba8ee4bc8e81/FLAG1fdd3b9cf [2019-08-22 21:54:42,270 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:54:42,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/min_max.i [2019-08-22 21:54:42,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0496b25/43718e3ea2ce42748f51ba8ee4bc8e81/FLAG1fdd3b9cf [2019-08-22 21:54:42,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0496b25/43718e3ea2ce42748f51ba8ee4bc8e81 [2019-08-22 21:54:42,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:54:42,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:54:42,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:54:42,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:54:42,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:54:42,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:54:42" (1/1) ... [2019-08-22 21:54:42,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b45e892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:42, skipping insertion in model container [2019-08-22 21:54:42,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:54:42" (1/1) ... [2019-08-22 21:54:42,563 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:54:42,619 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:54:43,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:54:43,073 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:54:43,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:54:43,173 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:54:43,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43 WrapperNode [2019-08-22 21:54:43,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:54:43,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:54:43,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:54:43,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:54:43,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:54:43,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:54:43,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:54:43,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:54:43,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:54:43" (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 21:54:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:54:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:54:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-22 21:54:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-22 21:54:43,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:54:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:54:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:54:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-22 21:54:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-22 21:54:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:54:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:54:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:54:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:54:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:54:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:54:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:54:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:54:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:54:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:54:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:54:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:54:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:54:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:54:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:54:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:54:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:54:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:54:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:54:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:54:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:54:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:54:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:54:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:54:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:54:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:54:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:54:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:54:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:54:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:54:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:54:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:54:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:54:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:54:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:54:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:54:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:54:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:54:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:54:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:54:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:54:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:54:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:54:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:54:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:54:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:54:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:54:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:54:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:54:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:54:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:54:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:54:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:54:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:54:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:54:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:54:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:54:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:54:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:54:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:54:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:54:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:54:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:54:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:54:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:54:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:54:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:54:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:54:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:54:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:54:43,883 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:54:43,883 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-22 21:54:43,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:54:43 BoogieIcfgContainer [2019-08-22 21:54:43,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:54:43,886 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:54:43,887 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:54:43,888 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:54:43,889 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:54:43" (1/1) ... [2019-08-22 21:54:43,910 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-22 21:54:43,914 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:54:43,927 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:54:43,937 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:54:43,939 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:54:44,044 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 21:54:44,044 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:54:44,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:54:44,063 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:54:44,063 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:54:44,091 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:54:44,162 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 21:54:44,456 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-08-22 21:54:44,457 INFO L567 ElimStorePlain]: treesize reduction 9, result has 94.1 percent of original size [2019-08-22 21:54:44,465 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 21:54:44,583 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-22 21:54:44,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:54:44,586 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-22 21:54:44,587 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:166, output treesize:129 [2019-08-22 21:54:44,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:54:44,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:54:44,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:54:44,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-22 21:54:44,866 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_8, v_prenex_9, |v_#memory_$Pointer$.base_4|, v_prenex_31, v_prenex_14, v_prenex_13, v_prenex_23, |v_#memory_$Pointer$.offset_4|, v_prenex_22, v_prenex_28], 8=[v_prenex_10, v_prenex_20, v_prenex_30, |v_#memory_int_12|]} [2019-08-22 21:54:45,083 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 21:55:38,508 WARN L188 SmtUtils]: Spent 53.42 s on a formula simplification. DAG size of input: 374 DAG size of output: 151 [2019-08-22 21:55:38,509 INFO L567 ElimStorePlain]: treesize reduction 882, result has 31.4 percent of original size [2019-08-22 21:55:38,521 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 21:55:39,931 WARN L188 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 147 [2019-08-22 21:55:39,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:55:39,958 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 21:55:41,027 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 143 [2019-08-22 21:55:41,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:55:41,027 INFO L464 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2019-08-22 21:55:41,028 INFO L464 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2019-08-22 21:55:41,028 INFO L464 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2019-08-22 21:55:41,028 INFO L464 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2019-08-22 21:55:41,045 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 21:55:42,079 WARN L188 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 139 [2019-08-22 21:55:42,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:55:42,080 INFO L464 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2019-08-22 21:55:42,080 INFO L464 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2019-08-22 21:55:42,080 INFO L464 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2019-08-22 21:55:42,081 INFO L464 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2019-08-22 21:55:42,081 INFO L464 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2019-08-22 21:55:42,093 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 21:55:43,153 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 136 [2019-08-22 21:55:43,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:55:43,157 INFO L496 ElimStorePlain]: Start of recursive call 1: 21 dim-0 vars, 14 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2019-08-22 21:55:43,157 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 35 variables, input treesize:1299, output treesize:377 [2019-08-22 21:55:43,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:55:45,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:55:45,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:55:45,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:55:45,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:55:45,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-22 21:55:45,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-22 21:55:45,294 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_65, v_prenex_64, v_prenex_86, v_prenex_85, v_prenex_69, v_prenex_68, v_prenex_131, v_prenex_155, v_prenex_157, v_prenex_138, v_prenex_116, v_prenex_94, |v_#memory_$Pointer$.base_4|, v_prenex_75, v_prenex_95, v_prenex_58, v_prenex_79, |v_#memory_$Pointer$.offset_4|, v_prenex_59, v_prenex_140, v_prenex_121, v_prenex_100, v_prenex_145, v_prenex_147, v_prenex_105, v_prenex_128], 8=[v_prenex_83, v_prenex_91, v_prenex_130, v_prenex_120, |v_#memory_int_13|, v_prenex_156, v_prenex_56, v_prenex_78, v_prenex_66, v_prenex_146, v_prenex_103, v_prenex_139]} [2019-08-22 21:55:47,365 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.