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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 08:48:13,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 08:48:13,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 08:48:13,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 08:48:13,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 08:48:13,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 08:48:13,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 08:48:13,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 08:48:13,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 08:48:13,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 08:48:13,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 08:48:13,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 08:48:13,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 08:48:13,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 08:48:13,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 08:48:13,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 08:48:13,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 08:48:13,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 08:48:13,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 08:48:13,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 08:48:13,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 08:48:13,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 08:48:13,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 08:48:13,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 08:48:13,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 08:48:13,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 08:48:13,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 08:48:13,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 08:48:13,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 08:48:13,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 08:48:13,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 08:48:13,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 08:48:13,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 08:48:13,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 08:48:13,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 08:48:13,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 08:48:13,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 08:48:13,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 08:48:13,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 08:48:13,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 08:48:13,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 08:48:13,447 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 [2019-10-04 08:48:13,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 08:48:13,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 08:48:13,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 08:48:13,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 08:48:13,468 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 08:48:13,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 08:48:13,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 08:48:13,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 08:48:13,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 08:48:13,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 08:48:13,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 08:48:13,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 08:48:13,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 08:48:13,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 08:48:13,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 08:48:13,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 08:48:13,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 08:48:13,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 08:48:13,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 08:48:13,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 08:48:13,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 08:48:13,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 08:48:13,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 08:48:13,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 08:48:13,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 08:48:13,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 08:48:13,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 08:48:13,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 08:48:13,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 08:48:13,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 08:48:13,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 08:48:13,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 08:48:13,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 08:48:13,539 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 08:48:13,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-10-04 08:48:13,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc52d32a5/97a11374e8c14eaea20c6fa30c3b61b8/FLAG6758f8b50 [2019-10-04 08:48:14,207 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 08:48:14,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-10-04 08:48:14,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc52d32a5/97a11374e8c14eaea20c6fa30c3b61b8/FLAG6758f8b50 [2019-10-04 08:48:14,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc52d32a5/97a11374e8c14eaea20c6fa30c3b61b8 [2019-10-04 08:48:14,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 08:48:14,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 08:48:14,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 08:48:14,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 08:48:14,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 08:48:14,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:48:14" (1/1) ... [2019-10-04 08:48:14,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2898f0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:14, skipping insertion in model container [2019-10-04 08:48:14,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:48:14" (1/1) ... [2019-10-04 08:48:14,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 08:48:14,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 08:48:15,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:48:15,020 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 08:48:15,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:48:15,154 INFO L192 MainTranslator]: Completed translation [2019-10-04 08:48:15,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15 WrapperNode [2019-10-04 08:48:15,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 08:48:15,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 08:48:15,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 08:48:15,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 08:48:15,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 08:48:15,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 08:48:15,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 08:48:15,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 08:48:15,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:48:15" (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 [2019-10-04 08:48:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 08:48:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 08:48:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-10-04 08:48:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure open [2019-10-04 08:48:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 08:48:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2019-10-04 08:48:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2019-10-04 08:48:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 08:48:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-04 08:48:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-04 08:48:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-04 08:48:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-04 08:48:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-04 08:48:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-04 08:48:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-04 08:48:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-04 08:48:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-04 08:48:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-04 08:48:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-04 08:48:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-04 08:48:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-04 08:48:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-04 08:48:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-04 08:48:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-04 08:48:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-04 08:48:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-04 08:48:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-04 08:48:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-04 08:48:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-04 08:48:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-04 08:48:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-04 08:48:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-04 08:48:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-04 08:48:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-04 08:48:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-04 08:48:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-04 08:48:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-04 08:48:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-04 08:48:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-04 08:48:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-04 08:48:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-04 08:48:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-04 08:48:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-04 08:48:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-04 08:48:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-04 08:48:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-04 08:48:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 08:48:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-04 08:48:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-04 08:48:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 08:48:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-04 08:48:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-04 08:48:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-04 08:48:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-04 08:48:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-10-04 08:48:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-04 08:48:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-04 08:48:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-04 08:48:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-04 08:48:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-04 08:48:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-04 08:48:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-04 08:48:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-04 08:48:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-04 08:48:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-04 08:48:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-04 08:48:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-04 08:48:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-04 08:48:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-04 08:48:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-04 08:48:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-04 08:48:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-04 08:48:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-04 08:48:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-04 08:48:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-04 08:48:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-04 08:48:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-04 08:48:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-04 08:48:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-04 08:48:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-04 08:48:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-04 08:48:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-04 08:48:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-04 08:48:15,332 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-10-04 08:48:15,333 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure chmod [2019-10-04 08:48:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod [2019-10-04 08:48:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod [2019-10-04 08:48:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat [2019-10-04 08:48:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2019-10-04 08:48:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir [2019-10-04 08:48:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat [2019-10-04 08:48:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure mknod [2019-10-04 08:48:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat [2019-10-04 08:48:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo [2019-10-04 08:48:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat [2019-10-04 08:48:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat [2019-10-04 08:48:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure futimens [2019-10-04 08:48:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat [2019-10-04 08:48:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat [2019-10-04 08:48:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat [2019-10-04 08:48:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat [2019-10-04 08:48:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod [2019-10-04 08:48:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat [2019-10-04 08:48:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2019-10-04 08:48:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure open [2019-10-04 08:48:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure openat [2019-10-04 08:48:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure openat64 [2019-10-04 08:48:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure creat [2019-10-04 08:48:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-10-04 08:48:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise [2019-10-04 08:48:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate [2019-10-04 08:48:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-04 08:48:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 08:48:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2019-10-04 08:48:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2019-10-04 08:48:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 08:48:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 08:48:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 08:48:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 08:48:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 08:48:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 08:48:15,916 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 08:48:15,916 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 08:48:15,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:48:15 BoogieIcfgContainer [2019-10-04 08:48:15,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 08:48:15,918 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 08:48:15,919 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 08:48:15,919 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 08:48:15,920 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:48:15" (1/1) ... [2019-10-04 08:48:15,921 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 08:48:15,949 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 08:48:15,950 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 08:48:15,958 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 08:48:15,967 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 08:48:15,968 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 08:48:16,242 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 39 for LOIs [2019-10-04 08:48:16,642 INFO L199 IcfgInterpreter]: Interpreting procedure l_read with input of size 57 for LOIs [2019-10-04 08:48:16,668 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 42 for LOIs [2019-10-04 08:48:16,677 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 08:48:16,678 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 08:48:16,682 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(exists ((v_prenex_1 Int)) (and (not (= 1 ~globalState~0)) (= 0 |#NULL.base|) (not (= |#t~string6.base| 0)) (<= |#NULL.base| 0) (not (= 0 v_prenex_1)) (<= 0 |#NULL.base|) (<= 0 |#t~string6.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< |#t~string6.base| |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_1)) (<= |#t~string6.offset| 0) (= (select |#length| v_prenex_1) 100) (= 8 (select |#length| |#t~string6.base|)) (< |#StackHeapBarrier| v_prenex_1) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (= 0 |#t~string6.offset|) (= (select |#valid| |#t~string6.base|) 1))) [2019-10-04 08:48:16,708 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 08:48:16,708 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 08:48:16,711 INFO L168 Benchmark]: Toolchain (without parser) took 2216.70 ms. Allocated memory was 138.9 MB in the beginning and 221.8 MB in the end (delta: 82.8 MB). Free memory was 85.4 MB in the beginning and 187.0 MB in the end (delta: -101.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 08:48:16,713 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 08:48:16,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.73 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 161.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:16,720 INFO L168 Benchmark]: Boogie Preprocessor took 77.01 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 158.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:16,722 INFO L168 Benchmark]: RCFGBuilder took 680.81 ms. Allocated memory is still 199.2 MB. Free memory was 158.7 MB in the beginning and 109.2 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-10-04 08:48:16,723 INFO L168 Benchmark]: Sifa took 789.70 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 109.2 MB in the beginning and 187.0 MB in the end (delta: -77.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 08:48:16,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.73 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 161.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.01 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 158.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 680.81 ms. Allocated memory is still 199.2 MB. Free memory was 158.7 MB in the beginning and 109.2 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Sifa took 789.70 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 109.2 MB in the beginning and 187.0 MB in the end (delta: -77.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 733, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME[ms]: 147, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 353, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 495, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 305, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 145, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 283, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 283, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 28#(exists ((v_prenex_1 Int)) (and (not (= 1 ~globalState~0)) (= 0 |#NULL.base|) (not (= |#t~string6.base| 0)) (<= |#NULL.base| 0) (not (= 0 v_prenex_1)) (<= 0 |#NULL.base|) (<= 0 |#t~string6.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< |#t~string6.base| |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_1)) (<= |#t~string6.offset| 0) (= (select |#length| v_prenex_1) 100) (= 8 (select |#length| |#t~string6.base|)) (< |#StackHeapBarrier| v_prenex_1) (= 0 (select |#valid| 0)) (= |#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...