java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:37,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:37,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:37,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:37,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:37,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:37,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:37,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:37,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:37,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:37,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:37,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:37,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:37,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:37,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:37,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:37,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:37,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:37,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:37,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:37,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:37,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:37,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:37,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:37,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:19:37,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:19:37,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:19:37,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:19:37,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:19:37,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:19:37,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:19:37,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:19:37,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:19:37,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:19:37,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:19:37,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:19:37,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:19:37,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:19:37,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:37,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:37,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:37,559 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 [2019-09-20 23:19:37,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:37,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:37,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:37,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:37,582 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:37,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:37,583 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:37,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:37,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:37,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:37,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:37,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:37,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:37,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:37,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:37,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:37,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:37,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:37,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:37,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:37,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:37,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:37,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:37,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:37,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:37,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:37,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:37,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:37,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:19:37,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:37,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:37,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:37,651 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:37,653 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:37,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-09-20 23:19:37,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/565d4c243/810ed28cdaaa4b10864afee2bc1efe2d/FLAGc8520ebda [2019-09-20 23:19:38,202 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:38,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-09-20 23:19:38,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/565d4c243/810ed28cdaaa4b10864afee2bc1efe2d/FLAGc8520ebda [2019-09-20 23:19:38,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/565d4c243/810ed28cdaaa4b10864afee2bc1efe2d [2019-09-20 23:19:38,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:38,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:38,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:38,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:38,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:38,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:38" (1/1) ... [2019-09-20 23:19:38,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4422260d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:38, skipping insertion in model container [2019-09-20 23:19:38,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:38" (1/1) ... [2019-09-20 23:19:38,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:38,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:39,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:39,022 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:39,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:39,155 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:39,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39 WrapperNode [2019-09-20 23:19:39,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:39,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:39,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:39,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:39,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:39,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:39,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:39,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:39,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:39" (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 [2019-09-20 23:19:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 23:19:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2019-09-20 23:19:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2019-09-20 23:19:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 23:19:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 23:19:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 23:19:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 23:19:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 23:19:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 23:19:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 23:19:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 23:19:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 23:19:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 23:19:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 23:19:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 23:19:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 23:19:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 23:19:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 23:19:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 23:19:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 23:19:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 23:19:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 23:19:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 23:19:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 23:19:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 23:19:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 23:19:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 23:19:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 23:19:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 23:19:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 23:19:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 23:19:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 23:19:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 23:19:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 23:19:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 23:19:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 23:19:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 23:19:39,304 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 23:19:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 23:19:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 23:19:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 23:19:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 23:19:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 23:19:39,305 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 23:19:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 23:19:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 23:19:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 23:19:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 23:19:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 23:19:39,306 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 23:19:39,307 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 23:19:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 23:19:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 23:19:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 23:19:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 23:19:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 23:19:39,308 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-20 23:19:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 23:19:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 23:19:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 23:19:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 23:19:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 23:19:39,309 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 23:19:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 23:19:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 23:19:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 23:19:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 23:19:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 23:19:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 23:19:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 23:19:39,312 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 23:19:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:19:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:19:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:19:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:19:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:19:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-20 23:19:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:19:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-20 23:19:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-20 23:19:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-20 23:19:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-20 23:19:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-20 23:19:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-20 23:19:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-20 23:19:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-20 23:19:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-20 23:19:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-20 23:19:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-20 23:19:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:19:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:19:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:19:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:39,956 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:39,957 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:19:39,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:39 BoogieIcfgContainer [2019-09-20 23:19:39,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:39,959 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:39,959 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:39,959 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:39,960 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:39" (1/1) ... [2019-09-20 23:19:39,961 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:19:39,985 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:39,986 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:39,994 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:40,003 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:40,005 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:40,328 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-20 23:19:40,441 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 23:19:40,907 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2019-09-20 23:19:41,116 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-20 23:19:41,322 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 23:19:41,382 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 59 for LOIs [2019-09-20 23:19:41,386 INFO L199 IcfgInterpreter]: Interpreting procedure my_malloc with input of size 47 for LOIs [2019-09-20 23:19:41,388 INFO L199 IcfgInterpreter]: Interpreting procedure __getMemory with input of size 47 for LOIs [2019-09-20 23:19:41,475 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 49 for LOIs [2019-09-20 23:19:41,552 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:19:41,552 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:19:41,554 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 78#(and (= 0 |#NULL.base|) (< |~#head~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= 8 (select |#length| |~#head~0.base|)) (= (select (select |#memory_$Pointer$.base| |~#head~0.base|) |~#head~0.offset|) 0) (= |~#head~0.offset| 0) (or (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) |~#head~0.offset|)) (or (not (= 0 ~guard_malloc_counter~0.offset)) (not (= 0 ~guard_malloc_counter~0.base))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= |#NULL.offset| 0) (= 1 (select |#valid| |~#head~0.base|))) [2019-09-20 23:19:41,567 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:19:41,567 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:19:41,569 INFO L168 Benchmark]: Toolchain (without parser) took 3012.75 ms. Allocated memory was 134.2 MB in the beginning and 259.5 MB in the end (delta: 125.3 MB). Free memory was 89.4 MB in the beginning and 202.0 MB in the end (delta: -112.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:41,570 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:19:41,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.37 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.2 MB in the beginning and 164.5 MB in the end (delta: -75.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:41,572 INFO L168 Benchmark]: Boogie Preprocessor took 54.90 ms. Allocated memory is still 201.9 MB. Free memory was 164.5 MB in the beginning and 161.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:41,573 INFO L168 Benchmark]: RCFGBuilder took 746.63 ms. Allocated memory is still 201.9 MB. Free memory was 161.9 MB in the beginning and 109.6 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:41,574 INFO L168 Benchmark]: Sifa took 1608.96 ms. Allocated memory was 201.9 MB in the beginning and 259.5 MB in the end (delta: 57.7 MB). Free memory was 109.6 MB in the beginning and 202.0 MB in the end (delta: -92.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:19:41,578 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.37 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.2 MB in the beginning and 164.5 MB in the end (delta: -75.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.90 ms. Allocated memory is still 201.9 MB. Free memory was 164.5 MB in the beginning and 161.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 746.63 ms. Allocated memory is still 201.9 MB. Free memory was 161.9 MB in the beginning and 109.6 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. * Sifa took 1608.96 ms. Allocated memory was 201.9 MB in the beginning and 259.5 MB in the end (delta: 57.7 MB). Free memory was 109.6 MB in the beginning and 202.0 MB in the end (delta: -92.4 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]: 1569, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 43, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME[ms]: 297, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME[ms]: 72, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 29, TOOLS_QUANTIFIERELIM_APPLICATIONS: 50, TOOLS_QUANTIFIERELIM_TIME[ms]: 363, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 266, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 1062, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 17, 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: 9, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 592, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 591, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 117, DAG_COMPRESSION_RETAINED_NODES: 63 - 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 78#(and (= 0 |#NULL.base|) (< |~#head~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= 8 (select |#length| |~#head~0.base|)) (= (select (select |#memory_$Pointer$.base| |~#head~0.base|) |~#head~0.offset|) 0) (= |~#head~0.offset| 0) (or (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) |~#head~0.offset|)) (or (not (= 0 ~guard_malloc_counter~0.offset)) (not (= 0 ~guard_malloc_counter~0.base))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= |#NULL.offset| 0) (= 1 (select |#valid| |~#head~0.base|))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...