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/alt_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:24:59,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:24:59,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:24:59,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:24:59,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:24:59,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:24:59,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:24:59,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:24:59,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:24:59,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:24:59,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:24:59,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:24:59,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:24:59,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:24:59,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:24:59,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:24:59,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:24:59,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:24:59,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:24:59,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:24:59,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:24:59,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:24:59,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:24:59,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:24:59,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:24:59,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:24:59,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:24:59,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:24:59,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:24:59,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:24:59,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:24:59,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:24:59,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:24:59,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:24:59,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:24:59,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:24:59,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:24:59,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:24:59,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:24:59,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:24:59,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:24:59,314 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 03:24:59,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:24:59,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:24:59,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:24:59,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:24:59,341 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:24:59,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:24:59,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:24:59,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:24:59,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:24:59,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:24:59,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:24:59,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:24:59,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:24:59,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:24:59,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:24:59,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:24:59,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:24:59,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:24:59,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:24:59,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:24:59,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:24:59,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:24:59,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:24:59,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:24:59,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:24:59,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:24:59,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:24:59,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:24:59,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:24:59,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:24:59,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:24:59,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:24:59,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:24:59,422 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:24:59,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alt_test.i [2019-08-31 03:24:59,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c084460/d2d8383c31944ad489af3cbff9c9a85e/FLAG6a874ee5a [2019-08-31 03:25:00,086 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:25:00,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test.i [2019-08-31 03:25:00,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c084460/d2d8383c31944ad489af3cbff9c9a85e/FLAG6a874ee5a [2019-08-31 03:25:00,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c084460/d2d8383c31944ad489af3cbff9c9a85e [2019-08-31 03:25:00,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:25:00,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:25:00,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:25:00,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:25:00,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:25:00,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:25:00" (1/1) ... [2019-08-31 03:25:00,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71195957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:00, skipping insertion in model container [2019-08-31 03:25:00,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:25:00" (1/1) ... [2019-08-31 03:25:00,347 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:25:00,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:25:00,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:25:00,885 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:25:00,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:25:01,068 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:25:01,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01 WrapperNode [2019-08-31 03:25:01,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:25:01,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:25:01,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:25:01,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:25:01,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:25:01,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:25:01,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:25:01,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:25:01,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:01" (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 03:25:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:25:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:25:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-31 03:25:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:25:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure l_malloc [2019-08-31 03:25:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure l_free [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-31 03:25:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-31 03:25:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-31 03:25:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-31 03:25:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-31 03:25:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-31 03:25:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-31 03:25:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-31 03:25:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-31 03:25:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-31 03:25:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-31 03:25:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-31 03:25:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-31 03:25:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-31 03:25:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-31 03:25:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-31 03:25:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-31 03:25:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-31 03:25:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-31 03:25:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-31 03:25:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-31 03:25:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-31 03:25:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-31 03:25:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-31 03:25:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-31 03:25:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-31 03:25:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-31 03:25:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-31 03:25:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-31 03:25:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-31 03:25:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-31 03:25:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-31 03:25:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-31 03:25:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-31 03:25:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-31 03:25:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-31 03:25:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-31 03:25:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-31 03:25:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-31 03:25:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-31 03:25:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-08-31 03:25:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-31 03:25:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-31 03:25:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-31 03:25:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-31 03:25:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-31 03:25:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-31 03:25:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-31 03:25:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-31 03:25:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-31 03:25:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:25:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:25:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:25:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:25:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:25:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:25:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:25:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:25:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:25:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:25:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:25:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:25:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:25:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:25:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:25:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:25:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:25:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:25:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:25:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:25:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:25:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:25:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:25:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:25:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:25:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:25:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:25:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:25:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:25:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:25:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:25:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:25:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:25:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:25:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:25:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:25:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:25:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:25:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:25:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:25:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:25:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:25:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:25:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:25:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:25:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:25:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:25:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:25:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:25:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:25:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:25:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:25:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:25:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:25:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:25:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:25:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:25:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:25:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:25:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:25:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:25:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:25:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:25:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-08-31 03:25:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:25:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:25:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:25:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:25:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:25:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:25:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:25:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:25:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:25:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:25:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:25:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:25:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:25:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:25:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:25:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:25:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:25:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:25:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:25:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:25:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:25:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:25:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:25:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:25:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:25:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:25:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:25:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:25:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-08-31 03:25:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:25:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-31 03:25:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure l_malloc [2019-08-31 03:25:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure l_free [2019-08-31 03:25:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:25:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:25:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:25:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:25:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:25:01,798 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:25:01,798 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:25:01,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:25:01 BoogieIcfgContainer [2019-08-31 03:25:01,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:25:01,800 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:25:01,800 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:25:01,801 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:25:01,802 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:25:01" (1/1) ... [2019-08-31 03:25:01,839 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:25:01,840 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:25:01,846 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:25:01,855 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:25:01,857 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:25:01,954 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:25:01,955 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:01,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:01,983 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:01,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-31 03:25:02,002 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 03:25:02,022 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 1=[|v_#valid_18|]} [2019-08-31 03:25:02,030 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 03:25:02,030 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:02,082 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-31 03:25:02,083 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:02,109 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,109 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-31 03:25:02,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:25:02,204 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2019-08-31 03:25:02,205 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2019-08-31 03:25:02,213 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,220 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 20 treesize of output 19 [2019-08-31 03:25:02,220 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,258 INFO L567 ElimStorePlain]: treesize reduction 45, result has 25.0 percent of original size [2019-08-31 03:25:02,259 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,259 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:63, output treesize:15 [2019-08-31 03:25:02,279 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-08-31 03:25:02,280 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,377 INFO L567 ElimStorePlain]: treesize reduction 18, result has 74.6 percent of original size [2019-08-31 03:25:02,378 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:02,378 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:53 [2019-08-31 03:25:02,402 INFO L199 IcfgInterpreter]: Interpreting procedure l_free with input of size 49 for LOIs [2019-08-31 03:25:02,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:25:02,432 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 33 for LOIs [2019-08-31 03:25:02,433 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:25:02,433 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:25:02,435 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 72#(exists ((v_prenex_1 Int)) (or (and (not (= 1 ~globalState~0)) (<= |#NULL.base| 0) (= (select |#valid| v_prenex_1) 0) (not (= v_prenex_1 0)) (<= 0 |#NULL.base|) (<= 0 ~globalState~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< |#StackHeapBarrier| v_prenex_1) (= 0 ~globalState~0) (<= ~globalState~0 0) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (not (= 1 ~globalState~0)) (<= |#NULL.base| 0) (= (select |#valid| v_prenex_1) 0) (not (= v_prenex_1 0)) (<= ~globalState~0 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 ~globalState~0) (< |#StackHeapBarrier| v_prenex_1) (= 0 ~globalState~0) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)))) [2019-08-31 03:25:02,453 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:25:02,453 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:25:02,463 INFO L168 Benchmark]: Toolchain (without parser) took 2131.02 ms. Allocated memory was 130.0 MB in the beginning and 216.5 MB in the end (delta: 86.5 MB). Free memory was 84.1 MB in the beginning and 149.4 MB in the end (delta: -65.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:02,464 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:25:02,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.56 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 83.9 MB in the beginning and 142.4 MB in the end (delta: -58.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:02,471 INFO L168 Benchmark]: Boogie Preprocessor took 82.54 ms. Allocated memory is still 198.2 MB. Free memory was 142.4 MB in the beginning and 139.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:02,478 INFO L168 Benchmark]: RCFGBuilder took 646.27 ms. Allocated memory is still 198.2 MB. Free memory was 139.7 MB in the beginning and 82.6 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:02,479 INFO L168 Benchmark]: Sifa took 659.27 ms. Allocated memory was 198.2 MB in the beginning and 216.5 MB in the end (delta: 18.4 MB). Free memory was 82.6 MB in the beginning and 149.4 MB in the end (delta: -66.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 03:25:02,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.56 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 83.9 MB in the beginning and 142.4 MB in the end (delta: -58.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.54 ms. Allocated memory is still 198.2 MB. Free memory was 142.4 MB in the beginning and 139.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 646.27 ms. Allocated memory is still 198.2 MB. Free memory was 139.7 MB in the beginning and 82.6 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. * Sifa took 659.27 ms. Allocated memory was 198.2 MB in the beginning and 216.5 MB in the end (delta: 18.4 MB). Free memory was 82.6 MB in the beginning and 149.4 MB in the end (delta: -66.8 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 0.6s OVERALL_TIME, 4 ICFG_INTERPRETER_ENTERED_PROCEDURES, 32 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 22 TOOLS_POST_APPLICATIONS, 0.2s TOOLS_POST_TIME, 8 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 4 TOOLS_POST_RETURN_APPLICATIONS, 0.1s TOOLS_POST_RETURN_TIME, 0.4s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 32 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 9 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, 4 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, 4 CALL_SUMMARIZER_APPLICATIONS, 4 CALL_SUMMARIZER_CACHE_MISSES, 0.3s CALL_SUMMARIZER_OVERALL_TIME, 0.3s 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, 72 DAG_COMPRESSION_PROCESSED_NODES, 47 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 1601]: 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 72#(exists ((v_prenex_1 Int)) (or (and (not (= 1 ~globalState~0)) (<= |#NULL.base| 0) (= (select |#valid| v_prenex_1) 0) (not (= v_prenex_1 0)) (<= 0 |#NULL.base|) (<= 0 ~globalState~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< |#StackHeapBarrier| v_prenex_1) (= 0 ~globalState~0) (<= ~globalState~0 0) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (not (= 1 ~globalState~0)) (<= |#NULL.base| 0) (= (select |#valid| v_prenex_1) 0) (not (= v_prenex_1 0)) (<= ~globalState~0 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 ~globalState~0) (< |#StackHeapBarrier| v_prenex_1) (= 0 ~globalState~0) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...