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_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:26:34,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:26:34,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:26:34,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:26:34,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:26:34,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:26:34,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:26:34,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:26:34,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:26:34,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:26:34,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:26:34,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:26:34,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:26:34,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:26:34,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:26:34,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:26:34,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:26:34,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:26:34,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:26:34,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:26:34,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:26:34,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:26:34,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:26:34,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:26:34,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:26:34,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:26:34,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:26:34,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:26:34,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:26:34,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:26:34,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:26:34,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:26:34,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:26:34,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:26:34,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:26:34,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:26:34,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:26:34,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:26:34,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:26:34,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:26:34,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:26:34,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 03:26:34,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:26:34,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:26:34,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:26:34,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:26:34,476 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:26:34,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:26:34,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:26:34,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:26:34,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:26:34,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:26:34,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:26:34,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:26:34,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:26:34,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:26:34,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:26:34,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:26:34,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:26:34,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:26:34,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:26:34,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:26:34,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:26:34,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:26:34,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:26:34,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:26:34,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:26:34,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:26:34,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:26:34,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:26:34,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:26:34,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:26:34,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:26:34,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:26:34,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:26:34,536 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:26:34,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-08-31 03:26:34,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45e9a1bee/4b78f101cd424c68b240d10cf68e88bd/FLAGbc9989d86 [2019-08-31 03:26:35,207 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:26:35,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-08-31 03:26:35,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45e9a1bee/4b78f101cd424c68b240d10cf68e88bd/FLAGbc9989d86 [2019-08-31 03:26:35,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45e9a1bee/4b78f101cd424c68b240d10cf68e88bd [2019-08-31 03:26:35,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:26:35,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:26:35,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:35,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:26:35,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:26:35,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:35" (1/1) ... [2019-08-31 03:26:35,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55abf9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:35, skipping insertion in model container [2019-08-31 03:26:35,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:35" (1/1) ... [2019-08-31 03:26:35,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:26:35,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:26:35,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:36,009 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:26:36,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:36,157 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:26:36,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36 WrapperNode [2019-08-31 03:26:36,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:36,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:26:36,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:26:36,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:26:36,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:26:36,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:26:36,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:26:36,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:26:36,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:26:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:26:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:26:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-31 03:26:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2019-08-31 03:26:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2019-08-31 03:26:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-08-31 03:26:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-08-31 03:26:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:26:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:26:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-31 03:26:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-31 03:26:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-31 03:26:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-31 03:26:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-31 03:26:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-31 03:26:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-31 03:26:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-31 03:26:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-31 03:26:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-31 03:26:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-31 03:26:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-31 03:26:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-31 03:26:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-31 03:26:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-31 03:26:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-31 03:26:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-31 03:26:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-31 03:26:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-31 03:26:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-31 03:26:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-31 03:26:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-31 03:26:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-31 03:26:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-31 03:26:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-31 03:26:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-31 03:26:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-31 03:26:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-31 03:26:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-31 03:26:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-31 03:26:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-31 03:26:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-31 03:26:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-31 03:26:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-31 03:26:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-31 03:26:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-31 03:26:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-31 03:26:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-31 03:26:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-31 03:26:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-31 03:26:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-31 03:26:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-31 03:26:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-31 03:26:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-31 03:26:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-31 03:26:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-31 03:26:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-31 03:26:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-31 03:26:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-31 03:26:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-31 03:26:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-31 03:26:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-08-31 03:26:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-31 03:26:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-31 03:26:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-31 03:26:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-31 03:26:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-31 03:26:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-31 03:26:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-31 03:26:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-31 03:26:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-31 03:26:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-31 03:26:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-31 03:26:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-31 03:26:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-31 03:26:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-31 03:26:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-31 03:26:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-31 03:26:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:26:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:26:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:26:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-08-31 03:26:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:26:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-08-31 03:26:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-08-31 03:26:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-08-31 03:26:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-08-31 03:26:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-08-31 03:26:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-08-31 03:26:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-08-31 03:26:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-08-31 03:26:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-08-31 03:26:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-08-31 03:26:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-08-31 03:26:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:26:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2019-08-31 03:26:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2019-08-31 03:26:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:26:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:26:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:26:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:26:36,830 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:26:36,831 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:26:36,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:36 BoogieIcfgContainer [2019-08-31 03:26:36,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:26:36,833 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:26:36,833 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:26:36,833 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:26:36,834 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:36" (1/1) ... [2019-08-31 03:26:36,871 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:26:36,871 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:26:36,879 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:26:36,888 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:26:36,890 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:26:36,975 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_5|], 3=[|v_#valid_6|]} [2019-08-31 03:26:37,001 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:26:37,001 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:37,077 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:37,084 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:37,104 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-31 03:26:37,106 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:37,219 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-31 03:26:37,220 INFO L567 ElimStorePlain]: treesize reduction 4, result has 94.7 percent of original size [2019-08-31 03:26:37,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:37,223 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:72 [2019-08-31 03:26:37,283 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-08-31 03:26:37,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:37,548 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 81 for LOIs [2019-08-31 03:26:37,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:37,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:37,571 INFO L199 IcfgInterpreter]: Interpreting procedure my_malloc with input of size 75 for LOIs [2019-08-31 03:26:37,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:37,584 INFO L199 IcfgInterpreter]: Interpreting procedure __getMemory with input of size 71 for LOIs [2019-08-31 03:26:37,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:26:37,593 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 67 for LOIs [2019-08-31 03:26:37,596 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:26:37,597 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:26:37,601 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 155#(and (or (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 ~elem~0.offset) (<= ~elem~0.offset 0) (<= 0 |~#head~0.offset|) (<= 0 ~elem~0.base) (<= ~elem~0.base 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (or (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (or (and (<= |#NULL.base| 0) (= ~elem~0.base 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (= ~elem~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |~#head~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#head~0.base|) (+ |~#head~0.offset| 4))) (<= 0 |#NULL.base|) (= 8 (select |#length| |~#head~0.base|)) (= (select (select |#memory_$Pointer$.base| |~#head~0.base|) |~#head~0.offset|) 0) (= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.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 (and (= ~elem~0.base 0) (= ~elem~0.offset 0)) (and (= ~elem~0.base ~guard_malloc_counter~0.base) (= ~elem~0.offset ~guard_malloc_counter~0.offset))) (= ~elem~0.base 0) (= 0 (select |#valid| 0)) (<= |~#head~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= |#NULL.offset| 0) (= ~elem~0.offset 0) (= 1 (select |#valid| |~#head~0.base|)))) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-08-31 03:26:37,621 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:26:37,621 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:26:37,622 INFO L168 Benchmark]: Toolchain (without parser) took 2114.22 ms. Allocated memory was 133.7 MB in the beginning and 226.5 MB in the end (delta: 92.8 MB). Free memory was 87.8 MB in the beginning and 178.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:37,624 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:26:37,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.63 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 161.7 MB in the end (delta: -74.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:37,626 INFO L168 Benchmark]: Boogie Preprocessor took 76.82 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 158.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:37,627 INFO L168 Benchmark]: RCFGBuilder took 595.97 ms. Allocated memory is still 200.3 MB. Free memory was 158.6 MB in the beginning and 114.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:37,627 INFO L168 Benchmark]: Sifa took 788.03 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 114.5 MB in the beginning and 178.3 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 03:26:37,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.63 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 161.7 MB in the end (delta: -74.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.82 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 158.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 595.97 ms. Allocated memory is still 200.3 MB. Free memory was 158.6 MB in the beginning and 114.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * Sifa took 788.03 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 114.5 MB in the beginning and 178.3 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.7s OVERALL_TIME, 6 ICFG_INTERPRETER_ENTERED_PROCEDURES, 56 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 1 DAG_INTERPRETER_EARLY_EXITS, 36 TOOLS_POST_APPLICATIONS, 0.3s TOOLS_POST_TIME, 18 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 9 TOOLS_POST_RETURN_APPLICATIONS, 0.1s TOOLS_POST_RETURN_TIME, 0.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 56 FLUID_QUERIES, 2 FLUID_YES_ANSWERS, 15 DOMAIN_JOIN_APPLICATIONS, 0.1s DOMAIN_JOIN_TIME, 2 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 10 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 9 CALL_SUMMARIZER_APPLICATIONS, 6 CALL_SUMMARIZER_CACHE_MISSES, 0.4s CALL_SUMMARIZER_OVERALL_TIME, 0.4s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 137 DAG_COMPRESSION_PROCESSED_NODES, 77 DAG_COMPRESSION_RETAINED_NODES - 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 155#(and (or (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 ~elem~0.offset) (<= ~elem~0.offset 0) (<= 0 |~#head~0.offset|) (<= 0 ~elem~0.base) (<= ~elem~0.base 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (or (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (or (and (<= |#NULL.base| 0) (= ~elem~0.base 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (= ~elem~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |~#head~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#head~0.base|) (+ |~#head~0.offset| 4))) (<= 0 |#NULL.base|) (= 8 (select |#length| |~#head~0.base|)) (= (select (select |#memory_$Pointer$.base| |~#head~0.base|) |~#head~0.offset|) 0) (= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (or (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) |~#head~0.offset|)) (or (and (= ~elem~0.base 0) (= ~elem~0.offset 0)) (and (= ~elem~0.base ~guard_malloc_counter~0.base) (= ~elem~0.offset ~guard_malloc_counter~0.offset))) (= ~elem~0.base 0) (= 0 (select |#valid| 0)) (<= |~#head~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#head~0.base|) (+ |~#head~0.offset| 4))) (= |#NULL.offset| 0) (= ~elem~0.offset 0) (= 1 (select |#valid| |~#head~0.base|)))) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |~#head~0.offset| 0) (<= 0 |~#head~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...