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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 05:46:24,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 05:46:24,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 05:46:24,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 05:46:24,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 05:46:24,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 05:46:24,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 05:46:24,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 05:46:24,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 05:46:24,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 05:46:24,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 05:46:24,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 05:46:24,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 05:46:24,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 05:46:24,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 05:46:24,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 05:46:24,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 05:46:24,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 05:46:24,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 05:46:24,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 05:46:24,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 05:46:24,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 05:46:24,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 05:46:24,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 05:46:24,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 05:46:24,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 05:46:24,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 05:46:24,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 05:46:24,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 05:46:24,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 05:46:24,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 05:46:24,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 05:46:24,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 05:46:24,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 05:46:24,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 05:46:24,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 05:46:24,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 05:46:24,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 05:46:24,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 05:46:24,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 05:46:24,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 05:46:24,324 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 [2019-09-17 05:46:24,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 05:46:24,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 05:46:24,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 05:46:24,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 05:46:24,340 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 05:46:24,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 05:46:24,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 05:46:24,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 05:46:24,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 05:46:24,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 05:46:24,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 05:46:24,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 05:46:24,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 05:46:24,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 05:46:24,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 05:46:24,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 05:46:24,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 05:46:24,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 05:46:24,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 05:46:24,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 05:46:24,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 05:46:24,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 05:46:24,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 05:46:24,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 05:46:24,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 05:46:24,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 05:46:24,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 05:46:24,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 05:46:24,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 05:46:24,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 05:46:24,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 05:46:24,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 05:46:24,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 05:46:24,395 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 05:46:24,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-09-17 05:46:24,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a8f8624/df7406476d954e5bae0d91af9c44cc7e/FLAG205a7f0b6 [2019-09-17 05:46:24,952 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 05:46:24,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-09-17 05:46:24,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a8f8624/df7406476d954e5bae0d91af9c44cc7e/FLAG205a7f0b6 [2019-09-17 05:46:25,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a8f8624/df7406476d954e5bae0d91af9c44cc7e [2019-09-17 05:46:25,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 05:46:25,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 05:46:25,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 05:46:25,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 05:46:25,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 05:46:25,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:25,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f08ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25, skipping insertion in model container [2019-09-17 05:46:25,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:25,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 05:46:25,370 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 05:46:25,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 05:46:25,849 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 05:46:25,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 05:46:25,968 INFO L192 MainTranslator]: Completed translation [2019-09-17 05:46:25,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25 WrapperNode [2019-09-17 05:46:25,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 05:46:25,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 05:46:25,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 05:46:25,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 05:46:25,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:25,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:26,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:26,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:26,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:26,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:26,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (1/1) ... [2019-09-17 05:46:26,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 05:46:26,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 05:46:26,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 05:46:26,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 05:46:26,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:46:25" (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 [2019-09-17 05:46:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 05:46:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 05:46:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-17 05:46:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure open [2019-09-17 05:46:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 05:46:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2019-09-17 05:46:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2019-09-17 05:46:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 05:46:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 05:46:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 05:46:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 05:46:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 05:46:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 05:46:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 05:46:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 05:46:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 05:46:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 05:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 05:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 05:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 05:46:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 05:46:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 05:46:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 05:46:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 05:46:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 05:46:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 05:46:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 05:46:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 05:46:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 05:46:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 05:46:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 05:46:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 05:46:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 05:46:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 05:46:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 05:46:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 05:46:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 05:46:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 05:46:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 05:46:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 05:46:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 05:46:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 05:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 05:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 05:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 05:46:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 05:46:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 05:46:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 05:46:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 05:46:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 05:46:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 05:46:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 05:46:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 05:46:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 05:46:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 05:46:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 05:46:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 05:46:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 05:46:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 05:46:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-09-17 05:46:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 05:46:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 05:46:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 05:46:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 05:46:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 05:46:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 05:46:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 05:46:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 05:46:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 05:46:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 05:46:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 05:46:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 05:46:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 05:46:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 05:46:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 05:46:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 05:46:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 05:46:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 05:46:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 05:46:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 05:46:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 05:46:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 05:46:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-09-17 05:46:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 05:46:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-17 05:46:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2019-09-17 05:46:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2019-09-17 05:46:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat [2019-09-17 05:46:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2019-09-17 05:46:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure chmod [2019-09-17 05:46:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod [2019-09-17 05:46:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod [2019-09-17 05:46:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat [2019-09-17 05:46:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2019-09-17 05:46:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir [2019-09-17 05:46:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat [2019-09-17 05:46:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure mknod [2019-09-17 05:46:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure futimens [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat [2019-09-17 05:46:26,121 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat [2019-09-17 05:46:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat [2019-09-17 05:46:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod [2019-09-17 05:46:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat [2019-09-17 05:46:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2019-09-17 05:46:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure open [2019-09-17 05:46:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure openat [2019-09-17 05:46:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure openat64 [2019-09-17 05:46:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure creat [2019-09-17 05:46:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-09-17 05:46:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise [2019-09-17 05:46:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate [2019-09-17 05:46:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-17 05:46:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 05:46:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2019-09-17 05:46:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2019-09-17 05:46:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 05:46:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 05:46:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 05:46:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 05:46:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 05:46:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 05:46:26,861 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 05:46:26,862 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 05:46:26,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:46:26 BoogieIcfgContainer [2019-09-17 05:46:26,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 05:46:26,864 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 05:46:26,865 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 05:46:26,866 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 05:46:26,867 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:46:26" (1/1) ... [2019-09-17 05:46:26,868 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 05:46:26,912 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 05:46:26,912 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 05:46:26,922 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 05:46:26,934 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 05:46:26,936 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 05:46:27,171 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-17 05:46:27,463 INFO L199 IcfgInterpreter]: Interpreting procedure l_read with input of size 49 for LOIs [2019-09-17 05:46:27,478 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 36 for LOIs [2019-09-17 05:46:27,485 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 05:46:27,486 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 05:46:27,491 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 22#(exists ((v_prenex_1 Int)) (and (not (= 1 ~globalState~0)) (= 0 |#NULL.base|) (not (= |#t~string6.base| 0)) (not (= 0 v_prenex_1)) (< |#t~string6.base| |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_1)) (= (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))) [2019-09-17 05:46:27,525 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 05:46:27,525 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 05:46:27,530 INFO L168 Benchmark]: Toolchain (without parser) took 2233.05 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 82.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2019-09-17 05:46:27,531 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 05:46:27,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.13 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 161.5 MB in the end (delta: -75.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-17 05:46:27,535 INFO L168 Benchmark]: Boogie Preprocessor took 58.57 ms. Allocated memory is still 200.8 MB. Free memory was 161.5 MB in the beginning and 158.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-17 05:46:27,540 INFO L168 Benchmark]: RCFGBuilder took 835.03 ms. Allocated memory is still 200.8 MB. Free memory was 158.7 MB in the beginning and 110.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2019-09-17 05:46:27,542 INFO L168 Benchmark]: Sifa took 660.88 ms. Allocated memory is still 200.8 MB. Free memory was 110.4 MB in the beginning and 82.3 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-17 05:46:27,553 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 133.2 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.13 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 161.5 MB in the end (delta: -75.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.57 ms. Allocated memory is still 200.8 MB. Free memory was 161.5 MB in the beginning and 158.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 835.03 ms. Allocated memory is still 200.8 MB. Free memory was 158.7 MB in the beginning and 110.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. * Sifa took 660.88 ms. Allocated memory is still 200.8 MB. Free memory was 110.4 MB in the beginning and 82.3 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 581, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 7, TOOLS_POST_TIME[ms]: 158, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 295, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 444, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 260, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 36, 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]: 189, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 189, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, 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 22#(exists ((v_prenex_1 Int)) (and (not (= 1 ~globalState~0)) (= 0 |#NULL.base|) (not (= |#t~string6.base| 0)) (not (= 0 v_prenex_1)) (< |#t~string6.base| |#StackHeapBarrier|) (= 1 (select |#valid| v_prenex_1)) (= (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...