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/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 14:16:44,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 14:16:44,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 14:16:44,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 14:16:44,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 14:16:44,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 14:16:44,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 14:16:44,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 14:16:44,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 14:16:44,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 14:16:44,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 14:16:44,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 14:16:44,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 14:16:44,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 14:16:44,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 14:16:44,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 14:16:44,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 14:16:44,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 14:16:44,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 14:16:44,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 14:16:44,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 14:16:44,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 14:16:44,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 14:16:44,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 14:16:44,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-02 14:16:44,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-02 14:16:44,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-02 14:16:44,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-02 14:16:44,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-02 14:16:44,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-02 14:16:44,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 14:16:44,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 14:16:44,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 14:16:44,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 14:16:44,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 14:16:44,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 14:16:44,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 14:16:44,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 14:16:44,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 14:16:44,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 14:16:44,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 14:16:44,364 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 [2019-09-02 14:16:44,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 14:16:44,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 14:16:44,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 14:16:44,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 14:16:44,406 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 14:16:44,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 14:16:44,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 14:16:44,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 14:16:44,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 14:16:44,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 14:16:44,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 14:16:44,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 14:16:44,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 14:16:44,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 14:16:44,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 14:16:44,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 14:16:44,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 14:16:44,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 14:16:44,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 14:16:44,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 14:16:44,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 14:16:44,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 14:16:44,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 14:16:44,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 14:16:44,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 14:16:44,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 14:16:44,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 14:16:44,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 14:16:44,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-02 14:16:44,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 14:16:44,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 14:16:44,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 14:16:44,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 14:16:44,470 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 14:16:44,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-02 14:16:44,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbebe68b/5e032c71e4ee4ebcafba6ec067fb8f0e/FLAGd33f49957 [2019-09-02 14:16:45,072 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 14:16:45,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-02 14:16:45,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbebe68b/5e032c71e4ee4ebcafba6ec067fb8f0e/FLAGd33f49957 [2019-09-02 14:16:45,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbebe68b/5e032c71e4ee4ebcafba6ec067fb8f0e [2019-09-02 14:16:45,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 14:16:45,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 14:16:45,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 14:16:45,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 14:16:45,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 14:16:45,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:45,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae749e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45, skipping insertion in model container [2019-09-02 14:16:45,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:45,401 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 14:16:45,452 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 14:16:45,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 14:16:45,851 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 14:16:45,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 14:16:45,988 INFO L192 MainTranslator]: Completed translation [2019-09-02 14:16:45,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45 WrapperNode [2019-09-02 14:16:45,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 14:16:45,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 14:16:45,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 14:16:45,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 14:16:46,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (1/1) ... [2019-09-02 14:16:46,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 14:16:46,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 14:16:46,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 14:16:46,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 14:16:46,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:45" (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 [2019-09-02 14:16:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 14:16:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 14:16:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-02 14:16:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-02 14:16:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-02 14:16:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 14:16:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 14:16:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-02 14:16:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-02 14:16:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-02 14:16:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-02 14:16:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-02 14:16:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-02 14:16:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-02 14:16:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-02 14:16:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-02 14:16:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-02 14:16:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-02 14:16:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-02 14:16:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-02 14:16:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-02 14:16:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-02 14:16:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-02 14:16:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-02 14:16:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-02 14:16:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-02 14:16:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-02 14:16:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-02 14:16:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-02 14:16:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-02 14:16:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-02 14:16:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-02 14:16:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-02 14:16:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-02 14:16:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-02 14:16:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-02 14:16:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-02 14:16:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-02 14:16:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-02 14:16:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-02 14:16:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-02 14:16:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-02 14:16:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-02 14:16:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-02 14:16:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-02 14:16:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-02 14:16:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-02 14:16:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-02 14:16:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-02 14:16:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-02 14:16:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-02 14:16:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-02 14:16:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-02 14:16:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-02 14:16:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-02 14:16:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-02 14:16:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-02 14:16:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-02 14:16:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-02 14:16:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-02 14:16:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-02 14:16:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-02 14:16:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-02 14:16:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-02 14:16:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-02 14:16:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-02 14:16:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-02 14:16:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-02 14:16:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-02 14:16:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-02 14:16:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-02 14:16:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-02 14:16:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-02 14:16:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-02 14:16:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-02 14:16:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-02 14:16:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-02 14:16:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-02 14:16:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-02 14:16:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-02 14:16:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-02 14:16:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-02 14:16:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-02 14:16:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-02 14:16:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-02 14:16:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-02 14:16:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 14:16:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 14:16:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-02 14:16:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 14:16:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-02 14:16:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 14:16:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 14:16:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-02 14:16:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-02 14:16:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 14:16:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-02 14:16:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-02 14:16:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 14:16:46,656 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 14:16:46,657 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-02 14:16:46,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 02:16:46 BoogieIcfgContainer [2019-09-02 14:16:46,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 14:16:46,659 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 14:16:46,659 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 14:16:46,659 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 14:16:46,661 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 02:16:46" (1/1) ... [2019-09-02 14:16:46,662 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-02 14:16:46,699 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 14:16:46,699 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 14:16:46,707 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 14:16:46,717 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 14:16:46,719 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 14:16:46,901 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-09-02 14:16:47,236 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:273) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:129) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-02 14:16:47,245 INFO L168 Benchmark]: Toolchain (without parser) took 1859.21 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 80.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 73.7 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:47,247 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-02 14:16:47,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.34 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 163.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:47,272 INFO L168 Benchmark]: Boogie Preprocessor took 82.64 ms. Allocated memory is still 200.8 MB. Free memory was 163.8 MB in the beginning and 160.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:47,273 INFO L168 Benchmark]: RCFGBuilder took 585.56 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 118.4 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:47,279 INFO L168 Benchmark]: Sifa took 581.04 ms. Allocated memory is still 200.8 MB. Free memory was 118.4 MB in the beginning and 80.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2019-09-02 14:16:47,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 604.34 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 163.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.64 ms. Allocated memory is still 200.8 MB. Free memory was 163.8 MB in the beginning and 160.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 585.56 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 118.4 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. * Sifa took 581.04 ms. Allocated memory is still 200.8 MB. Free memory was 118.4 MB in the beginning and 80.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.sifa: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...