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/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:25:34,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:25:34,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:25:34,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:25:34,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:25:34,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:25:34,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:25:34,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:25:34,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:25:34,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:25:34,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:25:34,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:25:34,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:25:34,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:25:34,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:25:34,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:25:34,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:25:34,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:25:34,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:25:34,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:25:34,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:25:34,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:25:34,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:25:34,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:25:34,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:25:34,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:25:34,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:25:34,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:25:34,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:25:34,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:25:34,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:25:34,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:25:34,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:25:34,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:25:34,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:25:34,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:25:34,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:25:34,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:25:34,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:25:34,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:25:34,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:25:34,496 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 [2019-08-31 03:25:34,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:25:34,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:25:34,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:25:34,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:25:34,527 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:25:34,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:25:34,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:25:34,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:25:34,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:25:34,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:25:34,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:25:34,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:25:34,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:25:34,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:25:34,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:25:34,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:25:34,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:25:34,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:25:34,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:25:34,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:25:34,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:25:34,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:25:34,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:25:34,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:25:34,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:25:34,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:25:34,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:25:34,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:25:34,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:25:34,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:25:34,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:25:34,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:25:34,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:25:34,609 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:25:34,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-08-31 03:25:34,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df07aa9f7/83c33662d676442291c887ef893f27bc/FLAG9a69f1a09 [2019-08-31 03:25:35,231 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:25:35,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-08-31 03:25:35,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df07aa9f7/83c33662d676442291c887ef893f27bc/FLAG9a69f1a09 [2019-08-31 03:25:35,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df07aa9f7/83c33662d676442291c887ef893f27bc [2019-08-31 03:25:35,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:25:35,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:25:35,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:25:35,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:25:35,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:25:35,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:25:35" (1/1) ... [2019-08-31 03:25:35,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222b50c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:35, skipping insertion in model container [2019-08-31 03:25:35,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:25:35" (1/1) ... [2019-08-31 03:25:35,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:25:35,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:25:36,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:25:36,103 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:25:36,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:25:36,205 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:25:36,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36 WrapperNode [2019-08-31 03:25:36,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:25:36,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:25:36,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:25:36,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:25:36,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:25:36,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:25:36,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:25:36,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:25:36,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:36" (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 [2019-08-31 03:25:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:25:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:25:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-31 03:25:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure open [2019-08-31 03:25:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:25:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2019-08-31 03:25:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:25:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:25:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:25:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:25:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:25:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:25:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:25:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:25:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:25:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:25:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:25:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:25:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:25:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:25:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:25:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:25:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:25:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:25:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:25:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:25:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:25:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:25:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:25:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:25:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:25:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:25:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:25:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:25:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:25:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:25:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:25:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:25:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:25:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:25:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:25:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:25:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:25:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:25:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:25:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:25:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:25:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:25:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:25:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:25:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:25:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:25:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:25:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:25:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:25:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:25:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:25:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:25:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:25:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-08-31 03:25:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure chmod [2019-08-31 03:25:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod [2019-08-31 03:25:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod [2019-08-31 03:25:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat [2019-08-31 03:25:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2019-08-31 03:25:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir [2019-08-31 03:25:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat [2019-08-31 03:25:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure mknod [2019-08-31 03:25:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat [2019-08-31 03:25:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo [2019-08-31 03:25:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat [2019-08-31 03:25:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat [2019-08-31 03:25:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure futimens [2019-08-31 03:25:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat [2019-08-31 03:25:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat [2019-08-31 03:25:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat [2019-08-31 03:25:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat [2019-08-31 03:25:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod [2019-08-31 03:25:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat [2019-08-31 03:25:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2019-08-31 03:25:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure open [2019-08-31 03:25:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure openat [2019-08-31 03:25:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure openat64 [2019-08-31 03:25:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure creat [2019-08-31 03:25:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-08-31 03:25:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise [2019-08-31 03:25:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate [2019-08-31 03:25:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 03:25:36,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:25:36,359 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2019-08-31 03:25:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2019-08-31 03:25:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:25:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:25:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:25:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:25:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:25:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:25:36,868 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:25:36,868 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:25:36,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:25:36 BoogieIcfgContainer [2019-08-31 03:25:36,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:25:36,870 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:25:36,870 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:25:36,871 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:25:36,872 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:25:36" (1/1) ... [2019-08-31 03:25:36,905 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:25:36,905 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:25:36,913 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:25:36,924 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:25:36,925 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:25:37,004 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 3=[|v_#valid_10|]} [2019-08-31 03:25:37,034 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-31 03:25:37,034 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,075 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:37,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:25:37,090 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-31 03:25:37,091 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,146 INFO L567 ElimStorePlain]: treesize reduction 4, result has 88.6 percent of original size [2019-08-31 03:25:37,146 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,147 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:31 [2019-08-31 03:25:37,192 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 37 for LOIs [2019-08-31 03:25:37,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:25:37,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:25:37,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:25:37,326 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_2|], 6=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-31 03:25:37,343 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 03:25:37,344 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:25:37,381 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 101 [2019-08-31 03:25:37,386 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:25:37,430 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 93 [2019-08-31 03:25:37,433 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,455 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:25:37,463 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 99 [2019-08-31 03:25:37,465 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,875 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-08-31 03:25:37,876 INFO L567 ElimStorePlain]: treesize reduction 143, result has 49.8 percent of original size [2019-08-31 03:25:37,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:25:37,916 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:37,917 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 83 [2019-08-31 03:25:37,920 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:37,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:25:37,946 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:37,947 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 80 [2019-08-31 03:25:37,951 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:38,162 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-08-31 03:25:38,162 INFO L567 ElimStorePlain]: treesize reduction 32, result has 79.2 percent of original size [2019-08-31 03:25:38,163 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-31 03:25:38,163 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:381, output treesize:122 [2019-08-31 03:25:38,164 INFO L199 IcfgInterpreter]: Interpreting procedure l_read with input of size 48 for LOIs [2019-08-31 03:25:38,175 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 33 for LOIs [2019-08-31 03:25:38,177 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:25:38,177 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:25:38,179 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 37#(exists ((|v_l_read_#in~cbuf.base_BEFORE_CALL_1| Int)) (and (= 1 (select |#valid| |v_l_read_#in~cbuf.base_BEFORE_CALL_1|)) (< |#t~string6.base| |#StackHeapBarrier|) (< |#StackHeapBarrier| |v_l_read_#in~cbuf.base_BEFORE_CALL_1|) (not (= 1 ~globalState~0)) (= (select |#length| |v_l_read_#in~cbuf.base_BEFORE_CALL_1|) 100) (<= |#NULL.base| 0) (= 8 (select |#length| |#t~string6.base|)) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 |#t~string6.offset|) (= (select |#valid| |#t~string6.base|) 1))) [2019-08-31 03:25:38,199 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:25:38,199 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:25:38,201 INFO L168 Benchmark]: Toolchain (without parser) took 2604.11 ms. Allocated memory was 133.2 MB in the beginning and 226.5 MB in the end (delta: 93.3 MB). Free memory was 88.0 MB in the beginning and 106.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:38,202 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:25:38,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.20 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.7 MB in the beginning and 162.0 MB in the end (delta: -74.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:38,204 INFO L168 Benchmark]: Boogie Preprocessor took 58.63 ms. Allocated memory is still 201.3 MB. Free memory was 162.0 MB in the beginning and 159.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:38,205 INFO L168 Benchmark]: RCFGBuilder took 604.42 ms. Allocated memory is still 201.3 MB. Free memory was 159.5 MB in the beginning and 115.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:38,206 INFO L168 Benchmark]: Sifa took 1329.06 ms. Allocated memory was 201.3 MB in the beginning and 226.5 MB in the end (delta: 25.2 MB). Free memory was 115.2 MB in the beginning and 106.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:38,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.20 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.7 MB in the beginning and 162.0 MB in the end (delta: -74.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.63 ms. Allocated memory is still 201.3 MB. Free memory was 162.0 MB in the beginning and 159.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 604.42 ms. Allocated memory is still 201.3 MB. Free memory was 159.5 MB in the beginning and 115.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Sifa took 1329.06 ms. Allocated memory was 201.3 MB in the beginning and 226.5 MB in the end (delta: 25.2 MB). Free memory was 115.2 MB in the beginning and 106.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.3s OVERALL_TIME, 4 ICFG_INTERPRETER_ENTERED_PROCEDURES, 18 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 12 TOOLS_POST_APPLICATIONS, 0.2s TOOLS_POST_TIME, 5 TOOLS_POST_CALL_APPLICATIONS, 0.9s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 1.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 18 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.2s CALL_SUMMARIZER_OVERALL_TIME, 0.2s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 59 DAG_COMPRESSION_PROCESSED_NODES, 43 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 37#(exists ((|v_l_read_#in~cbuf.base_BEFORE_CALL_1| Int)) (and (= 1 (select |#valid| |v_l_read_#in~cbuf.base_BEFORE_CALL_1|)) (< |#t~string6.base| |#StackHeapBarrier|) (< |#StackHeapBarrier| |v_l_read_#in~cbuf.base_BEFORE_CALL_1|) (not (= 1 ~globalState~0)) (= (select |#length| |v_l_read_#in~cbuf.base_BEFORE_CALL_1|) 100) (<= |#NULL.base| 0) (= 8 (select |#length| |#t~string6.base|)) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 |#t~string6.offset|) (= (select |#valid| |#t~string6.base|) 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...