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 IntervalDomain -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:57:44,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:57:44,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:57:44,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:57:44,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:57:44,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:57:44,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:57:44,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:57:44,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:57:44,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:57:44,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:57:44,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:57:44,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:57:44,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:57:44,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:57:44,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:57:44,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:57:44,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:57:44,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:57:44,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:57:44,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:57:44,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:57:44,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:57:44,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:57:44,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:57:44,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:57:44,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:57:44,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:57:44,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:57:44,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:57:44,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:57:44,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:57:44,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:57:44,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:57:44,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:57:44,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:57:44,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:57:44,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:57:44,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:57:44,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:57:44,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:57:44,490 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 [2019-09-06 08:57:44,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:57:44,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:57:44,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:57:44,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:57:44,508 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:57:44,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:57:44,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:57:44,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:57:44,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:57:44,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:57:44,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:57:44,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:57:44,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:57:44,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:57:44,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:57:44,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:57:44,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:57:44,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:57:44,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:57:44,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:57:44,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:57:44,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:57:44,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:57:44,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:57:44,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:57:44,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:57:44,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:57:44,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:57:44,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:57:44,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:57:44,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:57:44,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:57:44,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:57:44,573 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:57:44,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.c_1.i [2019-09-06 08:57:44,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a8892a0/a84b0eedf4044f0d821edbd527eed01f/FLAG4dcc86d67 [2019-09-06 08:57:45,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:57:45,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.c_1.i [2019-09-06 08:57:45,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a8892a0/a84b0eedf4044f0d821edbd527eed01f/FLAG4dcc86d67 [2019-09-06 08:57:45,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99a8892a0/a84b0eedf4044f0d821edbd527eed01f [2019-09-06 08:57:45,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:57:45,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:57:45,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:57:45,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:57:45,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:57:45,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:57:45" (1/1) ... [2019-09-06 08:57:45,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98c357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:45, skipping insertion in model container [2019-09-06 08:57:45,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:57:45" (1/1) ... [2019-09-06 08:57:45,479 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:57:45,530 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:57:46,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:57:46,035 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:57:46,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:57:46,155 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:57:46,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46 WrapperNode [2019-09-06 08:57:46,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:57:46,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:57:46,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:57:46,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:57:46,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:57:46,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:57:46,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:57:46,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:57:46,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:46" (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 [2019-09-06 08:57:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:57:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:57:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-06 08:57:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2019-09-06 08:57:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2019-09-06 08:57:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-06 08:57:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-06 08:57:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:57:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-06 08:57:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-06 08:57:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-06 08:57:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-06 08:57:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-06 08:57:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-06 08:57:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-06 08:57:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-06 08:57:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-06 08:57:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-06 08:57:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-06 08:57:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-06 08:57:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-06 08:57:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-06 08:57:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-06 08:57:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-06 08:57:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-06 08:57:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-06 08:57:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-06 08:57:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-06 08:57:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-06 08:57:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-06 08:57:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-06 08:57:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-06 08:57:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-06 08:57:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-06 08:57:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-06 08:57:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-06 08:57:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-06 08:57:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-06 08:57:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-06 08:57:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-06 08:57:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-06 08:57:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-06 08:57:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-06 08:57:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-06 08:57:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-06 08:57:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-06 08:57:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-06 08:57:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-06 08:57:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-06 08:57:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-06 08:57:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-06 08:57:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-06 08:57:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-06 08:57:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-06 08:57:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-06 08:57:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-06 08:57:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-06 08:57:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-06 08:57:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-06 08:57:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-06 08:57:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-06 08:57:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-06 08:57:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-06 08:57:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-06 08:57:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-06 08:57:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-06 08:57:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-06 08:57:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-06 08:57:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-06 08:57:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-06 08:57:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-06 08:57:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-06 08:57:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-06 08:57:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-06 08:57:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-06 08:57:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-06 08:57:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-06 08:57:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-06 08:57:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 08:57:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 08:57:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-06 08:57:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 08:57:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-06 08:57:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-06 08:57:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-06 08:57:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-06 08:57:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-06 08:57:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:57:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2019-09-06 08:57:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2019-09-06 08:57:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-06 08:57:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-06 08:57:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:57:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:57:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:57:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 08:57:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:57:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:57:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:57:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:57:46,862 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:57:46,862 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:57:46,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:57:46 BoogieIcfgContainer [2019-09-06 08:57:46,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:57:46,865 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:57:46,865 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:57:46,865 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:57:46,867 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:57:46" (1/1) ... [2019-09-06 08:57:46,867 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-06 08:57:46,893 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:57:46,893 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:57:46,903 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:57:46,913 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:57:46,915 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:57:47,002 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-06 08:57:47,648 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 45 for LOIs [2019-09-06 08:57:47,654 INFO L199 IcfgInterpreter]: Interpreting procedure my_malloc with input of size 40 for LOIs [2019-09-06 08:57:47,658 INFO L199 IcfgInterpreter]: Interpreting procedure __getMemory with input of size 37 for LOIs [2019-09-06 08:57:47,662 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 25 for LOIs [2019-09-06 08:57:47,663 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:57:47,664 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:57:47,668 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 132#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 ~elem~0.offset) (<= 0 ~guard_malloc_counter~0.base) (<= ~elem~0.offset 2) (<= 2 ~guard_malloc_counter~0.offset) (<= |~#head~0.offset| 0) (<= ~guard_malloc_counter~0.offset 2) (<= 0 ~elem~0.base) (<= ~elem~0.base 0) (<= ~guard_malloc_counter~0.base 0)) [2019-09-06 08:57:47,682 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:57:47,682 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:57:47,687 INFO L168 Benchmark]: Toolchain (without parser) took 2223.63 ms. Allocated memory was 136.3 MB in the beginning and 220.2 MB in the end (delta: 83.9 MB). Free memory was 84.3 MB in the beginning and 163.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:47,688 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:57:47,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.68 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 84.1 MB in the beginning and 163.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:47,691 INFO L168 Benchmark]: Boogie Preprocessor took 91.22 ms. Allocated memory is still 199.2 MB. Free memory was 163.2 MB in the beginning and 160.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:47,692 INFO L168 Benchmark]: RCFGBuilder took 615.92 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 116.4 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:57:47,698 INFO L168 Benchmark]: Sifa took 817.71 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 116.4 MB in the beginning and 163.1 MB in the end (delta: -46.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:57:47,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.68 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 84.1 MB in the beginning and 163.2 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.22 ms. Allocated memory is still 199.2 MB. Free memory was 163.2 MB in the beginning and 160.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 615.92 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 116.4 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. * Sifa took 817.71 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 116.4 MB in the beginning and 163.1 MB in the end (delta: -46.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 775, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 90, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 63, TOOLS_POST_TIME[ms]: 60, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME[ms]: 229, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 293, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 90, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 168, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 18, DOMAIN_ISBOTTOM_TIME[ms]: 86, 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: 14, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 368, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 150, DAG_COMPRESSION_RETAINED_NODES: 79 - UnprovableResult [Line: 6]: 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 132#(and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 ~elem~0.offset) (<= 0 ~guard_malloc_counter~0.base) (<= ~elem~0.offset 2) (<= 2 ~guard_malloc_counter~0.offset) (<= |~#head~0.offset| 0) (<= ~guard_malloc_counter~0.offset 2) (<= 0 ~elem~0.base) (<= ~elem~0.base 0) (<= ~guard_malloc_counter~0.base 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...