/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:26:09,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:26:09,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:26:09,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:26:09,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:26:09,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:26:09,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:26:09,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:26:09,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:26:09,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:26:09,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:26:09,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:26:09,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:26:09,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:26:09,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:26:09,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:26:09,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:26:09,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:26:09,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:26:09,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:26:09,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:26:09,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:26:09,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:26:09,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:26:09,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:26:09,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:26:09,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:26:09,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:26:09,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:26:09,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:26:09,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:26:09,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:26:09,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:26:09,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:26:09,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:26:09,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:26:09,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:26:09,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:26:09,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:26:09,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:26:09,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:26:09,507 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 22:26:09,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:26:09,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:26:09,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:26:09,519 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:26:09,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:26:09,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:26:09,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:26:09,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:26:09,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:26:09,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:26:09,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:26:09,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:26:09,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:26:09,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:26:09,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:26:09,521 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:26:09,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:26:09,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:26:09,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:26:09,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:26:09,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:26:09,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:26:09,523 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 22:26:09,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:26:09,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:26:09,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:26:09,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:26:09,835 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:26:09,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2020-07-08 22:26:09,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb7b5da0/86fdf5c3e9b84fb7beaa35617fd87d8d/FLAG6bdbb8d78 [2020-07-08 22:26:10,489 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:26:10,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2020-07-08 22:26:10,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb7b5da0/86fdf5c3e9b84fb7beaa35617fd87d8d/FLAG6bdbb8d78 [2020-07-08 22:26:10,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb7b5da0/86fdf5c3e9b84fb7beaa35617fd87d8d [2020-07-08 22:26:10,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:26:10,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:26:10,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:26:10,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:26:10,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:26:10,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:26:10" (1/1) ... [2020-07-08 22:26:10,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b60208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:10, skipping insertion in model container [2020-07-08 22:26:10,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:26:10" (1/1) ... [2020-07-08 22:26:10,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:26:10,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:26:11,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:26:11,318 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:26:11,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:26:11,483 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:26:11,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11 WrapperNode [2020-07-08 22:26:11,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:26:11,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:26:11,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:26:11,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:26:11,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (1/1) ... [2020-07-08 22:26:11,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:26:11,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:26:11,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:26:11,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:26:11,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (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 [2020-07-08 22:26:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:26:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:26:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-08 22:26:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-08 22:26:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-08 22:26:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-07-08 22:26:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:26:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:26:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 22:26:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-08 22:26:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-08 22:26:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-08 22:26:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-08 22:26:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-08 22:26:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-08 22:26:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-08 22:26:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-08 22:26:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-08 22:26:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-08 22:26:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-08 22:26:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-08 22:26:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-08 22:26:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-08 22:26:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-08 22:26:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-08 22:26:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-08 22:26:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-08 22:26:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-08 22:26:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-08 22:26:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-08 22:26:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-08 22:26:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-08 22:26:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-08 22:26:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-08 22:26:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-08 22:26:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-08 22:26:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-08 22:26:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-08 22:26:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-08 22:26:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-08 22:26:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-08 22:26:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-08 22:26:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-08 22:26:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-08 22:26:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-08 22:26:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-08 22:26:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-08 22:26:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-08 22:26:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-08 22:26:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-08 22:26:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-08 22:26:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-08 22:26:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-08 22:26:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-08 22:26:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-08 22:26:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 22:26:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 22:26:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 22:26:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-08 22:26:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-08 22:26:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-08 22:26:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-08 22:26:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-08 22:26:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-08 22:26:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-08 22:26:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-08 22:26:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-08 22:26:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-08 22:26:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-08 22:26:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-08 22:26:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-08 22:26:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-08 22:26:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-08 22:26:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-08 22:26:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-08 22:26:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-08 22:26:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-08 22:26:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-08 22:26:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-08 22:26:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-08 22:26:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-08 22:26:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-08 22:26:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-08 22:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-08 22:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 22:26:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:26:12,056 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-08 22:26:12,585 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:26:12,585 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-08 22:26:12,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:26:12 BoogieIcfgContainer [2020-07-08 22:26:12,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:26:12,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:26:12,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:26:12,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:26:12,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:26:10" (1/3) ... [2020-07-08 22:26:12,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146172de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:26:12, skipping insertion in model container [2020-07-08 22:26:12,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:26:11" (2/3) ... [2020-07-08 22:26:12,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146172de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:26:12, skipping insertion in model container [2020-07-08 22:26:12,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:26:12" (3/3) ... [2020-07-08 22:26:12,611 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2020-07-08 22:26:12,623 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:26:12,632 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:26:12,646 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:26:12,667 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:26:12,667 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:26:12,667 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:26:12,669 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:26:12,669 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:26:12,669 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:26:12,669 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:26:12,669 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:26:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-07-08 22:26:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-08 22:26:12,703 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:12,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:12,705 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:12,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:12,712 INFO L82 PathProgramCache]: Analyzing trace with hash 136898680, now seen corresponding path program 1 times [2020-07-08 22:26:12,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:12,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100328434] [2020-07-08 22:26:12,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:12,961 INFO L280 TraceCheckUtils]: 0: Hoare triple {117#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {104#true} is VALID [2020-07-08 22:26:12,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {104#true} #valid := #valid[0 := 0]; {104#true} is VALID [2020-07-08 22:26:12,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#true} assume 0 < #StackHeapBarrier; {104#true} is VALID [2020-07-08 22:26:12,963 INFO L280 TraceCheckUtils]: 3: Hoare triple {104#true} assume true; {104#true} is VALID [2020-07-08 22:26:12,964 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {104#true} {104#true} #188#return; {104#true} is VALID [2020-07-08 22:26:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:13,000 INFO L280 TraceCheckUtils]: 0: Hoare triple {118#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {104#true} is VALID [2020-07-08 22:26:13,001 INFO L280 TraceCheckUtils]: 1: Hoare triple {104#true} ~head~0.base, ~head~0.offset := 0, 0; {104#true} is VALID [2020-07-08 22:26:13,002 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#true} assume !true; {105#false} is VALID [2020-07-08 22:26:13,002 INFO L280 TraceCheckUtils]: 3: Hoare triple {105#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {105#false} is VALID [2020-07-08 22:26:13,003 INFO L280 TraceCheckUtils]: 4: Hoare triple {105#false} assume true; {105#false} is VALID [2020-07-08 22:26:13,003 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {105#false} {104#true} #184#return; {105#false} is VALID [2020-07-08 22:26:13,005 INFO L263 TraceCheckUtils]: 0: Hoare triple {104#true} call ULTIMATE.init(); {117#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:13,006 INFO L280 TraceCheckUtils]: 1: Hoare triple {117#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {104#true} is VALID [2020-07-08 22:26:13,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#true} #valid := #valid[0 := 0]; {104#true} is VALID [2020-07-08 22:26:13,006 INFO L280 TraceCheckUtils]: 3: Hoare triple {104#true} assume 0 < #StackHeapBarrier; {104#true} is VALID [2020-07-08 22:26:13,007 INFO L280 TraceCheckUtils]: 4: Hoare triple {104#true} assume true; {104#true} is VALID [2020-07-08 22:26:13,007 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {104#true} {104#true} #188#return; {104#true} is VALID [2020-07-08 22:26:13,008 INFO L263 TraceCheckUtils]: 6: Hoare triple {104#true} call #t~ret20 := main(); {104#true} is VALID [2020-07-08 22:26:13,008 INFO L280 TraceCheckUtils]: 7: Hoare triple {104#true} ~len~0 := 5; {104#true} is VALID [2020-07-08 22:26:13,010 INFO L263 TraceCheckUtils]: 8: Hoare triple {104#true} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {118#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:13,011 INFO L280 TraceCheckUtils]: 9: Hoare triple {118#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {104#true} is VALID [2020-07-08 22:26:13,011 INFO L280 TraceCheckUtils]: 10: Hoare triple {104#true} ~head~0.base, ~head~0.offset := 0, 0; {104#true} is VALID [2020-07-08 22:26:13,012 INFO L280 TraceCheckUtils]: 11: Hoare triple {104#true} assume !true; {105#false} is VALID [2020-07-08 22:26:13,012 INFO L280 TraceCheckUtils]: 12: Hoare triple {105#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {105#false} is VALID [2020-07-08 22:26:13,013 INFO L280 TraceCheckUtils]: 13: Hoare triple {105#false} assume true; {105#false} is VALID [2020-07-08 22:26:13,013 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {105#false} {104#true} #184#return; {105#false} is VALID [2020-07-08 22:26:13,013 INFO L280 TraceCheckUtils]: 15: Hoare triple {105#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {105#false} is VALID [2020-07-08 22:26:13,014 INFO L280 TraceCheckUtils]: 16: Hoare triple {105#false} havoc #t~ret6.base, #t~ret6.offset; {105#false} is VALID [2020-07-08 22:26:13,014 INFO L280 TraceCheckUtils]: 17: Hoare triple {105#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {105#false} is VALID [2020-07-08 22:26:13,015 INFO L280 TraceCheckUtils]: 18: Hoare triple {105#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {105#false} is VALID [2020-07-08 22:26:13,015 INFO L280 TraceCheckUtils]: 19: Hoare triple {105#false} havoc #t~mem13.base, #t~mem13.offset; {105#false} is VALID [2020-07-08 22:26:13,015 INFO L280 TraceCheckUtils]: 20: Hoare triple {105#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {105#false} is VALID [2020-07-08 22:26:13,016 INFO L280 TraceCheckUtils]: 21: Hoare triple {105#false} #t~short9 := 0 != #t~mem7; {105#false} is VALID [2020-07-08 22:26:13,016 INFO L280 TraceCheckUtils]: 22: Hoare triple {105#false} assume #t~short9; {105#false} is VALID [2020-07-08 22:26:13,016 INFO L280 TraceCheckUtils]: 23: Hoare triple {105#false} #t~short11 := #t~short9; {105#false} is VALID [2020-07-08 22:26:13,016 INFO L280 TraceCheckUtils]: 24: Hoare triple {105#false} assume #t~short11; {105#false} is VALID [2020-07-08 22:26:13,017 INFO L280 TraceCheckUtils]: 25: Hoare triple {105#false} assume #t~short11; {105#false} is VALID [2020-07-08 22:26:13,017 INFO L280 TraceCheckUtils]: 26: Hoare triple {105#false} havoc #t~mem8; {105#false} is VALID [2020-07-08 22:26:13,017 INFO L280 TraceCheckUtils]: 27: Hoare triple {105#false} havoc #t~short9; {105#false} is VALID [2020-07-08 22:26:13,018 INFO L280 TraceCheckUtils]: 28: Hoare triple {105#false} havoc #t~short11; {105#false} is VALID [2020-07-08 22:26:13,018 INFO L280 TraceCheckUtils]: 29: Hoare triple {105#false} havoc #t~mem7; {105#false} is VALID [2020-07-08 22:26:13,019 INFO L280 TraceCheckUtils]: 30: Hoare triple {105#false} havoc #t~mem10; {105#false} is VALID [2020-07-08 22:26:13,019 INFO L280 TraceCheckUtils]: 31: Hoare triple {105#false} assume !false; {105#false} is VALID [2020-07-08 22:26:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:13,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100328434] [2020-07-08 22:26:13,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:26:13,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:26:13,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149706012] [2020-07-08 22:26:13,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-08 22:26:13,038 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:13,042 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:26:13,098 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:13,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:26:13,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:13,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:26:13,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:26:13,112 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 4 states. [2020-07-08 22:26:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:14,236 INFO L93 Difference]: Finished difference Result 230 states and 265 transitions. [2020-07-08 22:26:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:26:14,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-08 22:26:14,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:26:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2020-07-08 22:26:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:26:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2020-07-08 22:26:14,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 265 transitions. [2020-07-08 22:26:14,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 265 edges. 265 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:14,659 INFO L225 Difference]: With dead ends: 230 [2020-07-08 22:26:14,660 INFO L226 Difference]: Without dead ends: 153 [2020-07-08 22:26:14,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 22:26:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-08 22:26:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 92. [2020-07-08 22:26:14,769 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:14,770 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 92 states. [2020-07-08 22:26:14,770 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 92 states. [2020-07-08 22:26:14,771 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 92 states. [2020-07-08 22:26:14,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:14,784 INFO L93 Difference]: Finished difference Result 153 states and 169 transitions. [2020-07-08 22:26:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2020-07-08 22:26:14,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:14,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:14,787 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 153 states. [2020-07-08 22:26:14,787 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 153 states. [2020-07-08 22:26:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:14,800 INFO L93 Difference]: Finished difference Result 153 states and 169 transitions. [2020-07-08 22:26:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2020-07-08 22:26:14,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:14,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:14,803 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:14,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-08 22:26:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2020-07-08 22:26:14,810 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 32 [2020-07-08 22:26:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:14,811 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2020-07-08 22:26:14,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:26:14,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 101 transitions. [2020-07-08 22:26:14,935 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 22:26:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-08 22:26:14,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:14,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:14,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:26:14,940 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:14,941 INFO L82 PathProgramCache]: Analyzing trace with hash 272796752, now seen corresponding path program 1 times [2020-07-08 22:26:14,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:14,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628305411] [2020-07-08 22:26:14,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:15,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {1088#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1074#true} is VALID [2020-07-08 22:26:15,057 INFO L280 TraceCheckUtils]: 1: Hoare triple {1074#true} #valid := #valid[0 := 0]; {1074#true} is VALID [2020-07-08 22:26:15,058 INFO L280 TraceCheckUtils]: 2: Hoare triple {1074#true} assume 0 < #StackHeapBarrier; {1074#true} is VALID [2020-07-08 22:26:15,058 INFO L280 TraceCheckUtils]: 3: Hoare triple {1074#true} assume true; {1074#true} is VALID [2020-07-08 22:26:15,058 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1074#true} {1074#true} #188#return; {1074#true} is VALID [2020-07-08 22:26:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:15,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {1089#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1090#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:15,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {1090#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {1090#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:15,143 INFO L280 TraceCheckUtils]: 2: Hoare triple {1090#(= dll_create_~len |dll_create_#in~len|)} assume !(~len > 0); {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-08 22:26:15,147 INFO L280 TraceCheckUtils]: 3: Hoare triple {1091#(<= |dll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-08 22:26:15,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {1091#(<= |dll_create_#in~len| 0)} assume true; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-08 22:26:15,148 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1091#(<= |dll_create_#in~len| 0)} {1081#(<= 5 main_~len~0)} #184#return; {1075#false} is VALID [2020-07-08 22:26:15,149 INFO L263 TraceCheckUtils]: 0: Hoare triple {1074#true} call ULTIMATE.init(); {1088#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:15,150 INFO L280 TraceCheckUtils]: 1: Hoare triple {1088#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1074#true} is VALID [2020-07-08 22:26:15,150 INFO L280 TraceCheckUtils]: 2: Hoare triple {1074#true} #valid := #valid[0 := 0]; {1074#true} is VALID [2020-07-08 22:26:15,150 INFO L280 TraceCheckUtils]: 3: Hoare triple {1074#true} assume 0 < #StackHeapBarrier; {1074#true} is VALID [2020-07-08 22:26:15,150 INFO L280 TraceCheckUtils]: 4: Hoare triple {1074#true} assume true; {1074#true} is VALID [2020-07-08 22:26:15,150 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1074#true} {1074#true} #188#return; {1074#true} is VALID [2020-07-08 22:26:15,151 INFO L263 TraceCheckUtils]: 6: Hoare triple {1074#true} call #t~ret20 := main(); {1074#true} is VALID [2020-07-08 22:26:15,151 INFO L280 TraceCheckUtils]: 7: Hoare triple {1074#true} ~len~0 := 5; {1081#(<= 5 main_~len~0)} is VALID [2020-07-08 22:26:15,154 INFO L263 TraceCheckUtils]: 8: Hoare triple {1081#(<= 5 main_~len~0)} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {1089#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:15,155 INFO L280 TraceCheckUtils]: 9: Hoare triple {1089#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1090#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:15,155 INFO L280 TraceCheckUtils]: 10: Hoare triple {1090#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {1090#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:15,160 INFO L280 TraceCheckUtils]: 11: Hoare triple {1090#(= dll_create_~len |dll_create_#in~len|)} assume !(~len > 0); {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-08 22:26:15,160 INFO L280 TraceCheckUtils]: 12: Hoare triple {1091#(<= |dll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-08 22:26:15,161 INFO L280 TraceCheckUtils]: 13: Hoare triple {1091#(<= |dll_create_#in~len| 0)} assume true; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-08 22:26:15,162 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1091#(<= |dll_create_#in~len| 0)} {1081#(<= 5 main_~len~0)} #184#return; {1075#false} is VALID [2020-07-08 22:26:15,162 INFO L280 TraceCheckUtils]: 15: Hoare triple {1075#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {1075#false} is VALID [2020-07-08 22:26:15,162 INFO L280 TraceCheckUtils]: 16: Hoare triple {1075#false} havoc #t~ret6.base, #t~ret6.offset; {1075#false} is VALID [2020-07-08 22:26:15,163 INFO L280 TraceCheckUtils]: 17: Hoare triple {1075#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {1075#false} is VALID [2020-07-08 22:26:15,163 INFO L280 TraceCheckUtils]: 18: Hoare triple {1075#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {1075#false} is VALID [2020-07-08 22:26:15,163 INFO L280 TraceCheckUtils]: 19: Hoare triple {1075#false} havoc #t~mem13.base, #t~mem13.offset; {1075#false} is VALID [2020-07-08 22:26:15,163 INFO L280 TraceCheckUtils]: 20: Hoare triple {1075#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {1075#false} is VALID [2020-07-08 22:26:15,163 INFO L280 TraceCheckUtils]: 21: Hoare triple {1075#false} #t~short9 := 0 != #t~mem7; {1075#false} is VALID [2020-07-08 22:26:15,164 INFO L280 TraceCheckUtils]: 22: Hoare triple {1075#false} assume #t~short9; {1075#false} is VALID [2020-07-08 22:26:15,164 INFO L280 TraceCheckUtils]: 23: Hoare triple {1075#false} #t~short11 := #t~short9; {1075#false} is VALID [2020-07-08 22:26:15,164 INFO L280 TraceCheckUtils]: 24: Hoare triple {1075#false} assume #t~short11; {1075#false} is VALID [2020-07-08 22:26:15,164 INFO L280 TraceCheckUtils]: 25: Hoare triple {1075#false} assume #t~short11; {1075#false} is VALID [2020-07-08 22:26:15,164 INFO L280 TraceCheckUtils]: 26: Hoare triple {1075#false} havoc #t~mem8; {1075#false} is VALID [2020-07-08 22:26:15,165 INFO L280 TraceCheckUtils]: 27: Hoare triple {1075#false} havoc #t~short9; {1075#false} is VALID [2020-07-08 22:26:15,165 INFO L280 TraceCheckUtils]: 28: Hoare triple {1075#false} havoc #t~short11; {1075#false} is VALID [2020-07-08 22:26:15,165 INFO L280 TraceCheckUtils]: 29: Hoare triple {1075#false} havoc #t~mem7; {1075#false} is VALID [2020-07-08 22:26:15,165 INFO L280 TraceCheckUtils]: 30: Hoare triple {1075#false} havoc #t~mem10; {1075#false} is VALID [2020-07-08 22:26:15,166 INFO L280 TraceCheckUtils]: 31: Hoare triple {1075#false} assume !false; {1075#false} is VALID [2020-07-08 22:26:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:15,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628305411] [2020-07-08 22:26:15,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:26:15,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 22:26:15,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121117278] [2020-07-08 22:26:15,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-07-08 22:26:15,171 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:15,171 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:26:15,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:15,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:26:15,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:15,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:26:15,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:26:15,218 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 7 states. [2020-07-08 22:26:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:16,199 INFO L93 Difference]: Finished difference Result 172 states and 190 transitions. [2020-07-08 22:26:16,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 22:26:16,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-07-08 22:26:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:26:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2020-07-08 22:26:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:26:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2020-07-08 22:26:16,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 190 transitions. [2020-07-08 22:26:16,426 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:16,434 INFO L225 Difference]: With dead ends: 172 [2020-07-08 22:26:16,434 INFO L226 Difference]: Without dead ends: 112 [2020-07-08 22:26:16,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-08 22:26:16,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-08 22:26:16,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2020-07-08 22:26:16,519 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:16,520 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 93 states. [2020-07-08 22:26:16,520 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 93 states. [2020-07-08 22:26:16,520 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 93 states. [2020-07-08 22:26:16,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:16,528 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2020-07-08 22:26:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2020-07-08 22:26:16,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:16,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:16,530 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 112 states. [2020-07-08 22:26:16,530 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 112 states. [2020-07-08 22:26:16,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:16,538 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2020-07-08 22:26:16,538 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2020-07-08 22:26:16,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:16,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:16,539 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:16,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-08 22:26:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2020-07-08 22:26:16,545 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 32 [2020-07-08 22:26:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:16,545 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2020-07-08 22:26:16,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:26:16,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 93 states and 102 transitions. [2020-07-08 22:26:16,647 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2020-07-08 22:26:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-08 22:26:16,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:16,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:16,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:26:16,650 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash -54471897, now seen corresponding path program 1 times [2020-07-08 22:26:16,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:16,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408360247] [2020-07-08 22:26:16,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:16,787 INFO L280 TraceCheckUtils]: 0: Hoare triple {1890#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1857#true} is VALID [2020-07-08 22:26:16,787 INFO L280 TraceCheckUtils]: 1: Hoare triple {1857#true} #valid := #valid[0 := 0]; {1857#true} is VALID [2020-07-08 22:26:16,788 INFO L280 TraceCheckUtils]: 2: Hoare triple {1857#true} assume 0 < #StackHeapBarrier; {1857#true} is VALID [2020-07-08 22:26:16,788 INFO L280 TraceCheckUtils]: 3: Hoare triple {1857#true} assume true; {1857#true} is VALID [2020-07-08 22:26:16,788 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1857#true} {1857#true} #188#return; {1857#true} is VALID [2020-07-08 22:26:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:16,915 INFO L280 TraceCheckUtils]: 0: Hoare triple {1891#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,916 INFO L280 TraceCheckUtils]: 1: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,917 INFO L280 TraceCheckUtils]: 2: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,917 INFO L280 TraceCheckUtils]: 3: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,918 INFO L280 TraceCheckUtils]: 4: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,919 INFO L280 TraceCheckUtils]: 5: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,920 INFO L280 TraceCheckUtils]: 6: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,924 INFO L280 TraceCheckUtils]: 7: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,928 INFO L280 TraceCheckUtils]: 8: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,929 INFO L280 TraceCheckUtils]: 9: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,930 INFO L280 TraceCheckUtils]: 10: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,930 INFO L280 TraceCheckUtils]: 11: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,932 INFO L280 TraceCheckUtils]: 12: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,932 INFO L280 TraceCheckUtils]: 13: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,933 INFO L280 TraceCheckUtils]: 14: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,934 INFO L280 TraceCheckUtils]: 15: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,935 INFO L280 TraceCheckUtils]: 16: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,949 INFO L280 TraceCheckUtils]: 17: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,952 INFO L280 TraceCheckUtils]: 18: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {1893#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:16,953 INFO L280 TraceCheckUtils]: 19: Hoare triple {1893#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:16,959 INFO L280 TraceCheckUtils]: 20: Hoare triple {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:16,960 INFO L280 TraceCheckUtils]: 21: Hoare triple {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(~len > 0); {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-08 22:26:16,961 INFO L280 TraceCheckUtils]: 22: Hoare triple {1895#(<= |dll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-08 22:26:16,962 INFO L280 TraceCheckUtils]: 23: Hoare triple {1895#(<= |dll_create_#in~len| 1)} assume true; {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-08 22:26:16,963 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1895#(<= |dll_create_#in~len| 1)} {1864#(<= 5 main_~len~0)} #184#return; {1858#false} is VALID [2020-07-08 22:26:16,966 INFO L263 TraceCheckUtils]: 0: Hoare triple {1857#true} call ULTIMATE.init(); {1890#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:16,966 INFO L280 TraceCheckUtils]: 1: Hoare triple {1890#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1857#true} is VALID [2020-07-08 22:26:16,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {1857#true} #valid := #valid[0 := 0]; {1857#true} is VALID [2020-07-08 22:26:16,967 INFO L280 TraceCheckUtils]: 3: Hoare triple {1857#true} assume 0 < #StackHeapBarrier; {1857#true} is VALID [2020-07-08 22:26:16,967 INFO L280 TraceCheckUtils]: 4: Hoare triple {1857#true} assume true; {1857#true} is VALID [2020-07-08 22:26:16,967 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1857#true} {1857#true} #188#return; {1857#true} is VALID [2020-07-08 22:26:16,968 INFO L263 TraceCheckUtils]: 6: Hoare triple {1857#true} call #t~ret20 := main(); {1857#true} is VALID [2020-07-08 22:26:16,969 INFO L280 TraceCheckUtils]: 7: Hoare triple {1857#true} ~len~0 := 5; {1864#(<= 5 main_~len~0)} is VALID [2020-07-08 22:26:16,970 INFO L263 TraceCheckUtils]: 8: Hoare triple {1864#(<= 5 main_~len~0)} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {1891#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:16,971 INFO L280 TraceCheckUtils]: 9: Hoare triple {1891#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,972 INFO L280 TraceCheckUtils]: 10: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,973 INFO L280 TraceCheckUtils]: 11: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,973 INFO L280 TraceCheckUtils]: 12: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,974 INFO L280 TraceCheckUtils]: 13: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,975 INFO L280 TraceCheckUtils]: 14: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,975 INFO L280 TraceCheckUtils]: 15: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,976 INFO L280 TraceCheckUtils]: 16: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,977 INFO L280 TraceCheckUtils]: 17: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,978 INFO L280 TraceCheckUtils]: 18: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,979 INFO L280 TraceCheckUtils]: 19: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,980 INFO L280 TraceCheckUtils]: 20: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,981 INFO L280 TraceCheckUtils]: 21: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,982 INFO L280 TraceCheckUtils]: 22: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,983 INFO L280 TraceCheckUtils]: 23: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,984 INFO L280 TraceCheckUtils]: 24: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,985 INFO L280 TraceCheckUtils]: 25: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,986 INFO L280 TraceCheckUtils]: 26: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:16,987 INFO L280 TraceCheckUtils]: 27: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {1893#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:16,989 INFO L280 TraceCheckUtils]: 28: Hoare triple {1893#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:16,990 INFO L280 TraceCheckUtils]: 29: Hoare triple {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:16,992 INFO L280 TraceCheckUtils]: 30: Hoare triple {1894#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(~len > 0); {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-08 22:26:16,993 INFO L280 TraceCheckUtils]: 31: Hoare triple {1895#(<= |dll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-08 22:26:16,994 INFO L280 TraceCheckUtils]: 32: Hoare triple {1895#(<= |dll_create_#in~len| 1)} assume true; {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-08 22:26:16,996 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1895#(<= |dll_create_#in~len| 1)} {1864#(<= 5 main_~len~0)} #184#return; {1858#false} is VALID [2020-07-08 22:26:16,996 INFO L280 TraceCheckUtils]: 34: Hoare triple {1858#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {1858#false} is VALID [2020-07-08 22:26:16,996 INFO L280 TraceCheckUtils]: 35: Hoare triple {1858#false} havoc #t~ret6.base, #t~ret6.offset; {1858#false} is VALID [2020-07-08 22:26:16,997 INFO L280 TraceCheckUtils]: 36: Hoare triple {1858#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {1858#false} is VALID [2020-07-08 22:26:16,997 INFO L280 TraceCheckUtils]: 37: Hoare triple {1858#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {1858#false} is VALID [2020-07-08 22:26:16,997 INFO L280 TraceCheckUtils]: 38: Hoare triple {1858#false} havoc #t~mem13.base, #t~mem13.offset; {1858#false} is VALID [2020-07-08 22:26:16,997 INFO L280 TraceCheckUtils]: 39: Hoare triple {1858#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {1858#false} is VALID [2020-07-08 22:26:16,998 INFO L280 TraceCheckUtils]: 40: Hoare triple {1858#false} #t~short9 := 0 != #t~mem7; {1858#false} is VALID [2020-07-08 22:26:16,998 INFO L280 TraceCheckUtils]: 41: Hoare triple {1858#false} assume #t~short9; {1858#false} is VALID [2020-07-08 22:26:16,998 INFO L280 TraceCheckUtils]: 42: Hoare triple {1858#false} #t~short11 := #t~short9; {1858#false} is VALID [2020-07-08 22:26:16,998 INFO L280 TraceCheckUtils]: 43: Hoare triple {1858#false} assume #t~short11; {1858#false} is VALID [2020-07-08 22:26:16,999 INFO L280 TraceCheckUtils]: 44: Hoare triple {1858#false} assume #t~short11; {1858#false} is VALID [2020-07-08 22:26:16,999 INFO L280 TraceCheckUtils]: 45: Hoare triple {1858#false} havoc #t~mem8; {1858#false} is VALID [2020-07-08 22:26:16,999 INFO L280 TraceCheckUtils]: 46: Hoare triple {1858#false} havoc #t~short9; {1858#false} is VALID [2020-07-08 22:26:16,999 INFO L280 TraceCheckUtils]: 47: Hoare triple {1858#false} havoc #t~short11; {1858#false} is VALID [2020-07-08 22:26:17,000 INFO L280 TraceCheckUtils]: 48: Hoare triple {1858#false} havoc #t~mem7; {1858#false} is VALID [2020-07-08 22:26:17,000 INFO L280 TraceCheckUtils]: 49: Hoare triple {1858#false} havoc #t~mem10; {1858#false} is VALID [2020-07-08 22:26:17,000 INFO L280 TraceCheckUtils]: 50: Hoare triple {1858#false} assume !false; {1858#false} is VALID [2020-07-08 22:26:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:17,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408360247] [2020-07-08 22:26:17,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:17,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-08 22:26:17,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379091788] [2020-07-08 22:26:17,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-08 22:26:17,006 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:17,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 22:26:17,069 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:17,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 22:26:17,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:17,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 22:26:17,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-08 22:26:17,071 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 9 states. [2020-07-08 22:26:18,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:18,230 INFO L93 Difference]: Finished difference Result 193 states and 213 transitions. [2020-07-08 22:26:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-08 22:26:18,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-08 22:26:18,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:26:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 213 transitions. [2020-07-08 22:26:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:26:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 213 transitions. [2020-07-08 22:26:18,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 213 transitions. [2020-07-08 22:26:18,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 213 edges. 213 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:18,484 INFO L225 Difference]: With dead ends: 193 [2020-07-08 22:26:18,484 INFO L226 Difference]: Without dead ends: 133 [2020-07-08 22:26:18,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-07-08 22:26:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-08 22:26:18,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 114. [2020-07-08 22:26:18,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:18,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 114 states. [2020-07-08 22:26:18,602 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 114 states. [2020-07-08 22:26:18,602 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 114 states. [2020-07-08 22:26:18,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:18,608 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2020-07-08 22:26:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2020-07-08 22:26:18,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:18,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:18,609 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 133 states. [2020-07-08 22:26:18,609 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 133 states. [2020-07-08 22:26:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:18,614 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2020-07-08 22:26:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2020-07-08 22:26:18,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:18,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:18,615 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:18,615 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-08 22:26:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2020-07-08 22:26:18,620 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 51 [2020-07-08 22:26:18,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:18,620 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2020-07-08 22:26:18,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 22:26:18,620 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 125 transitions. [2020-07-08 22:26:18,773 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2020-07-08 22:26:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-08 22:26:18,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:18,776 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:18,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:26:18,776 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:18,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:18,777 INFO L82 PathProgramCache]: Analyzing trace with hash -586426640, now seen corresponding path program 2 times [2020-07-08 22:26:18,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:18,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523334903] [2020-07-08 22:26:18,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:18,934 INFO L280 TraceCheckUtils]: 0: Hoare triple {2842#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2791#true} is VALID [2020-07-08 22:26:18,934 INFO L280 TraceCheckUtils]: 1: Hoare triple {2791#true} #valid := #valid[0 := 0]; {2791#true} is VALID [2020-07-08 22:26:18,934 INFO L280 TraceCheckUtils]: 2: Hoare triple {2791#true} assume 0 < #StackHeapBarrier; {2791#true} is VALID [2020-07-08 22:26:18,935 INFO L280 TraceCheckUtils]: 3: Hoare triple {2791#true} assume true; {2791#true} is VALID [2020-07-08 22:26:18,935 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2791#true} {2791#true} #188#return; {2791#true} is VALID [2020-07-08 22:26:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:19,053 INFO L280 TraceCheckUtils]: 0: Hoare triple {2843#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2791#true} is VALID [2020-07-08 22:26:19,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {2791#true} ~head~0.base, ~head~0.offset := 0, 0; {2791#true} is VALID [2020-07-08 22:26:19,054 INFO L280 TraceCheckUtils]: 2: Hoare triple {2791#true} assume !!(~len > 0); {2791#true} is VALID [2020-07-08 22:26:19,054 INFO L280 TraceCheckUtils]: 3: Hoare triple {2791#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {2844#(not (= 0 |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:19,055 INFO L280 TraceCheckUtils]: 4: Hoare triple {2844#(not (= 0 |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,057 INFO L280 TraceCheckUtils]: 6: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,058 INFO L280 TraceCheckUtils]: 7: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,058 INFO L280 TraceCheckUtils]: 8: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,059 INFO L280 TraceCheckUtils]: 9: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,060 INFO L280 TraceCheckUtils]: 10: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} #t~ite4 := 1; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,061 INFO L280 TraceCheckUtils]: 11: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,062 INFO L280 TraceCheckUtils]: 12: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} havoc #t~nondet3; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,063 INFO L280 TraceCheckUtils]: 13: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} havoc #t~ite4; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,064 INFO L280 TraceCheckUtils]: 14: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,064 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,065 INFO L280 TraceCheckUtils]: 16: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume !(~head~0.base != 0 || ~head~0.offset != 0); {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,066 INFO L280 TraceCheckUtils]: 17: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,067 INFO L280 TraceCheckUtils]: 18: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} #t~post5 := ~len; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,068 INFO L280 TraceCheckUtils]: 19: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} ~len := #t~post5 - 1; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,068 INFO L280 TraceCheckUtils]: 20: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~post5; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,069 INFO L280 TraceCheckUtils]: 21: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !!(~len > 0); {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,070 INFO L280 TraceCheckUtils]: 22: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,070 INFO L280 TraceCheckUtils]: 23: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,071 INFO L280 TraceCheckUtils]: 24: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,072 INFO L280 TraceCheckUtils]: 25: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,072 INFO L280 TraceCheckUtils]: 26: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,073 INFO L280 TraceCheckUtils]: 27: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,074 INFO L280 TraceCheckUtils]: 28: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume #t~nondet3 == ~len; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,074 INFO L280 TraceCheckUtils]: 29: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} #t~ite4 := 1; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,075 INFO L280 TraceCheckUtils]: 30: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,076 INFO L280 TraceCheckUtils]: 31: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~nondet3; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,077 INFO L280 TraceCheckUtils]: 32: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~ite4; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,078 INFO L280 TraceCheckUtils]: 33: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,079 INFO L280 TraceCheckUtils]: 34: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,080 INFO L280 TraceCheckUtils]: 35: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !(~head~0.base != 0 || ~head~0.offset != 0); {2792#false} is VALID [2020-07-08 22:26:19,080 INFO L280 TraceCheckUtils]: 36: Hoare triple {2792#false} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2792#false} is VALID [2020-07-08 22:26:19,080 INFO L280 TraceCheckUtils]: 37: Hoare triple {2792#false} #t~post5 := ~len; {2792#false} is VALID [2020-07-08 22:26:19,080 INFO L280 TraceCheckUtils]: 38: Hoare triple {2792#false} ~len := #t~post5 - 1; {2792#false} is VALID [2020-07-08 22:26:19,081 INFO L280 TraceCheckUtils]: 39: Hoare triple {2792#false} havoc #t~post5; {2792#false} is VALID [2020-07-08 22:26:19,081 INFO L280 TraceCheckUtils]: 40: Hoare triple {2792#false} assume !(~len > 0); {2792#false} is VALID [2020-07-08 22:26:19,081 INFO L280 TraceCheckUtils]: 41: Hoare triple {2792#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2792#false} is VALID [2020-07-08 22:26:19,081 INFO L280 TraceCheckUtils]: 42: Hoare triple {2792#false} assume true; {2792#false} is VALID [2020-07-08 22:26:19,082 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2792#false} {2791#true} #184#return; {2792#false} is VALID [2020-07-08 22:26:19,085 INFO L263 TraceCheckUtils]: 0: Hoare triple {2791#true} call ULTIMATE.init(); {2842#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:19,085 INFO L280 TraceCheckUtils]: 1: Hoare triple {2842#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2791#true} is VALID [2020-07-08 22:26:19,086 INFO L280 TraceCheckUtils]: 2: Hoare triple {2791#true} #valid := #valid[0 := 0]; {2791#true} is VALID [2020-07-08 22:26:19,086 INFO L280 TraceCheckUtils]: 3: Hoare triple {2791#true} assume 0 < #StackHeapBarrier; {2791#true} is VALID [2020-07-08 22:26:19,086 INFO L280 TraceCheckUtils]: 4: Hoare triple {2791#true} assume true; {2791#true} is VALID [2020-07-08 22:26:19,087 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2791#true} {2791#true} #188#return; {2791#true} is VALID [2020-07-08 22:26:19,087 INFO L263 TraceCheckUtils]: 6: Hoare triple {2791#true} call #t~ret20 := main(); {2791#true} is VALID [2020-07-08 22:26:19,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {2791#true} ~len~0 := 5; {2791#true} is VALID [2020-07-08 22:26:19,089 INFO L263 TraceCheckUtils]: 8: Hoare triple {2791#true} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {2843#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:19,089 INFO L280 TraceCheckUtils]: 9: Hoare triple {2843#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2791#true} is VALID [2020-07-08 22:26:19,090 INFO L280 TraceCheckUtils]: 10: Hoare triple {2791#true} ~head~0.base, ~head~0.offset := 0, 0; {2791#true} is VALID [2020-07-08 22:26:19,090 INFO L280 TraceCheckUtils]: 11: Hoare triple {2791#true} assume !!(~len > 0); {2791#true} is VALID [2020-07-08 22:26:19,091 INFO L280 TraceCheckUtils]: 12: Hoare triple {2791#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {2844#(not (= 0 |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:19,091 INFO L280 TraceCheckUtils]: 13: Hoare triple {2844#(not (= 0 |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,092 INFO L280 TraceCheckUtils]: 14: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,093 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,094 INFO L280 TraceCheckUtils]: 16: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,095 INFO L280 TraceCheckUtils]: 17: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,096 INFO L280 TraceCheckUtils]: 18: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,096 INFO L280 TraceCheckUtils]: 19: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} #t~ite4 := 1; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,097 INFO L280 TraceCheckUtils]: 20: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,098 INFO L280 TraceCheckUtils]: 21: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} havoc #t~nondet3; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,099 INFO L280 TraceCheckUtils]: 22: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} havoc #t~ite4; {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,100 INFO L280 TraceCheckUtils]: 23: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,101 INFO L280 TraceCheckUtils]: 24: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,102 INFO L280 TraceCheckUtils]: 25: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} assume !(~head~0.base != 0 || ~head~0.offset != 0); {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:19,103 INFO L280 TraceCheckUtils]: 26: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,103 INFO L280 TraceCheckUtils]: 27: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} #t~post5 := ~len; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,104 INFO L280 TraceCheckUtils]: 28: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} ~len := #t~post5 - 1; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,105 INFO L280 TraceCheckUtils]: 29: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~post5; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,105 INFO L280 TraceCheckUtils]: 30: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !!(~len > 0); {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,106 INFO L280 TraceCheckUtils]: 31: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,107 INFO L280 TraceCheckUtils]: 32: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,108 INFO L280 TraceCheckUtils]: 33: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,109 INFO L280 TraceCheckUtils]: 34: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,109 INFO L280 TraceCheckUtils]: 35: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,110 INFO L280 TraceCheckUtils]: 36: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,111 INFO L280 TraceCheckUtils]: 37: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume #t~nondet3 == ~len; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,111 INFO L280 TraceCheckUtils]: 38: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} #t~ite4 := 1; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,112 INFO L280 TraceCheckUtils]: 39: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,113 INFO L280 TraceCheckUtils]: 40: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~nondet3; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,114 INFO L280 TraceCheckUtils]: 41: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~ite4; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,114 INFO L280 TraceCheckUtils]: 42: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,115 INFO L280 TraceCheckUtils]: 43: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-08 22:26:19,116 INFO L280 TraceCheckUtils]: 44: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !(~head~0.base != 0 || ~head~0.offset != 0); {2792#false} is VALID [2020-07-08 22:26:19,117 INFO L280 TraceCheckUtils]: 45: Hoare triple {2792#false} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2792#false} is VALID [2020-07-08 22:26:19,117 INFO L280 TraceCheckUtils]: 46: Hoare triple {2792#false} #t~post5 := ~len; {2792#false} is VALID [2020-07-08 22:26:19,117 INFO L280 TraceCheckUtils]: 47: Hoare triple {2792#false} ~len := #t~post5 - 1; {2792#false} is VALID [2020-07-08 22:26:19,118 INFO L280 TraceCheckUtils]: 48: Hoare triple {2792#false} havoc #t~post5; {2792#false} is VALID [2020-07-08 22:26:19,118 INFO L280 TraceCheckUtils]: 49: Hoare triple {2792#false} assume !(~len > 0); {2792#false} is VALID [2020-07-08 22:26:19,118 INFO L280 TraceCheckUtils]: 50: Hoare triple {2792#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2792#false} is VALID [2020-07-08 22:26:19,119 INFO L280 TraceCheckUtils]: 51: Hoare triple {2792#false} assume true; {2792#false} is VALID [2020-07-08 22:26:19,119 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2792#false} {2791#true} #184#return; {2792#false} is VALID [2020-07-08 22:26:19,119 INFO L280 TraceCheckUtils]: 53: Hoare triple {2792#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {2792#false} is VALID [2020-07-08 22:26:19,120 INFO L280 TraceCheckUtils]: 54: Hoare triple {2792#false} havoc #t~ret6.base, #t~ret6.offset; {2792#false} is VALID [2020-07-08 22:26:19,120 INFO L280 TraceCheckUtils]: 55: Hoare triple {2792#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {2792#false} is VALID [2020-07-08 22:26:19,121 INFO L280 TraceCheckUtils]: 56: Hoare triple {2792#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {2792#false} is VALID [2020-07-08 22:26:19,121 INFO L280 TraceCheckUtils]: 57: Hoare triple {2792#false} havoc #t~mem13.base, #t~mem13.offset; {2792#false} is VALID [2020-07-08 22:26:19,121 INFO L280 TraceCheckUtils]: 58: Hoare triple {2792#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {2792#false} is VALID [2020-07-08 22:26:19,122 INFO L280 TraceCheckUtils]: 59: Hoare triple {2792#false} #t~short9 := 0 != #t~mem7; {2792#false} is VALID [2020-07-08 22:26:19,122 INFO L280 TraceCheckUtils]: 60: Hoare triple {2792#false} assume #t~short9; {2792#false} is VALID [2020-07-08 22:26:19,122 INFO L280 TraceCheckUtils]: 61: Hoare triple {2792#false} #t~short11 := #t~short9; {2792#false} is VALID [2020-07-08 22:26:19,123 INFO L280 TraceCheckUtils]: 62: Hoare triple {2792#false} assume #t~short11; {2792#false} is VALID [2020-07-08 22:26:19,123 INFO L280 TraceCheckUtils]: 63: Hoare triple {2792#false} assume #t~short11; {2792#false} is VALID [2020-07-08 22:26:19,123 INFO L280 TraceCheckUtils]: 64: Hoare triple {2792#false} havoc #t~mem8; {2792#false} is VALID [2020-07-08 22:26:19,124 INFO L280 TraceCheckUtils]: 65: Hoare triple {2792#false} havoc #t~short9; {2792#false} is VALID [2020-07-08 22:26:19,124 INFO L280 TraceCheckUtils]: 66: Hoare triple {2792#false} havoc #t~short11; {2792#false} is VALID [2020-07-08 22:26:19,124 INFO L280 TraceCheckUtils]: 67: Hoare triple {2792#false} havoc #t~mem7; {2792#false} is VALID [2020-07-08 22:26:19,125 INFO L280 TraceCheckUtils]: 68: Hoare triple {2792#false} havoc #t~mem10; {2792#false} is VALID [2020-07-08 22:26:19,125 INFO L280 TraceCheckUtils]: 69: Hoare triple {2792#false} assume !false; {2792#false} is VALID [2020-07-08 22:26:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:19,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523334903] [2020-07-08 22:26:19,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:19,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-08 22:26:19,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317461283] [2020-07-08 22:26:19,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-08 22:26:19,136 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:19,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:26:19,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:19,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:26:19,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:19,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:26:19,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:26:19,229 INFO L87 Difference]: Start difference. First operand 114 states and 125 transitions. Second operand 7 states. [2020-07-08 22:26:20,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:20,204 INFO L93 Difference]: Finished difference Result 195 states and 215 transitions. [2020-07-08 22:26:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 22:26:20,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-08 22:26:20,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:26:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 211 transitions. [2020-07-08 22:26:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:26:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 211 transitions. [2020-07-08 22:26:20,220 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 211 transitions. [2020-07-08 22:26:20,448 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 211 edges. 211 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:20,452 INFO L225 Difference]: With dead ends: 195 [2020-07-08 22:26:20,452 INFO L226 Difference]: Without dead ends: 114 [2020-07-08 22:26:20,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-08 22:26:20,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-08 22:26:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-08 22:26:20,626 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:20,626 INFO L82 GeneralOperation]: Start isEquivalent. First operand 114 states. Second operand 114 states. [2020-07-08 22:26:20,626 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 114 states. [2020-07-08 22:26:20,627 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 114 states. [2020-07-08 22:26:20,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:20,631 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2020-07-08 22:26:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2020-07-08 22:26:20,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:20,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:20,632 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 114 states. [2020-07-08 22:26:20,632 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 114 states. [2020-07-08 22:26:20,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:20,636 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2020-07-08 22:26:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2020-07-08 22:26:20,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:20,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:20,637 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:20,637 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-08 22:26:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2020-07-08 22:26:20,642 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 70 [2020-07-08 22:26:20,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:20,642 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2020-07-08 22:26:20,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:26:20,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 124 transitions. [2020-07-08 22:26:20,799 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2020-07-08 22:26:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-08 22:26:20,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:20,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:20,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:26:20,801 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:20,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:20,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1356086606, now seen corresponding path program 1 times [2020-07-08 22:26:20,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:20,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066444714] [2020-07-08 22:26:20,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:20,929 INFO L280 TraceCheckUtils]: 0: Hoare triple {3756#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3703#true} is VALID [2020-07-08 22:26:20,929 INFO L280 TraceCheckUtils]: 1: Hoare triple {3703#true} #valid := #valid[0 := 0]; {3703#true} is VALID [2020-07-08 22:26:20,929 INFO L280 TraceCheckUtils]: 2: Hoare triple {3703#true} assume 0 < #StackHeapBarrier; {3703#true} is VALID [2020-07-08 22:26:20,930 INFO L280 TraceCheckUtils]: 3: Hoare triple {3703#true} assume true; {3703#true} is VALID [2020-07-08 22:26:20,930 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3703#true} {3703#true} #188#return; {3703#true} is VALID [2020-07-08 22:26:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:21,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {3757#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,145 INFO L280 TraceCheckUtils]: 1: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,147 INFO L280 TraceCheckUtils]: 3: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,148 INFO L280 TraceCheckUtils]: 5: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,149 INFO L280 TraceCheckUtils]: 6: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,149 INFO L280 TraceCheckUtils]: 7: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,150 INFO L280 TraceCheckUtils]: 8: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,151 INFO L280 TraceCheckUtils]: 9: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,151 INFO L280 TraceCheckUtils]: 10: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,152 INFO L280 TraceCheckUtils]: 11: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,152 INFO L280 TraceCheckUtils]: 12: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,153 INFO L280 TraceCheckUtils]: 13: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,154 INFO L280 TraceCheckUtils]: 14: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,155 INFO L280 TraceCheckUtils]: 15: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,156 INFO L280 TraceCheckUtils]: 16: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,157 INFO L280 TraceCheckUtils]: 17: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,158 INFO L280 TraceCheckUtils]: 18: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {3759#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:21,159 INFO L280 TraceCheckUtils]: 19: Hoare triple {3759#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,160 INFO L280 TraceCheckUtils]: 20: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,161 INFO L280 TraceCheckUtils]: 21: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !!(~len > 0); {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,162 INFO L280 TraceCheckUtils]: 22: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,162 INFO L280 TraceCheckUtils]: 23: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,163 INFO L280 TraceCheckUtils]: 24: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,163 INFO L280 TraceCheckUtils]: 25: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,164 INFO L280 TraceCheckUtils]: 26: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,165 INFO L280 TraceCheckUtils]: 27: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,165 INFO L280 TraceCheckUtils]: 28: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume #t~nondet3 == ~len; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,166 INFO L280 TraceCheckUtils]: 29: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~ite4 := 1; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,167 INFO L280 TraceCheckUtils]: 30: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,167 INFO L280 TraceCheckUtils]: 31: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~nondet3; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,168 INFO L280 TraceCheckUtils]: 32: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~ite4; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,169 INFO L280 TraceCheckUtils]: 33: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,169 INFO L280 TraceCheckUtils]: 34: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,170 INFO L280 TraceCheckUtils]: 35: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,177 INFO L280 TraceCheckUtils]: 36: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,178 INFO L280 TraceCheckUtils]: 37: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,179 INFO L280 TraceCheckUtils]: 38: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~post5 := ~len; {3761#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} is VALID [2020-07-08 22:26:21,180 INFO L280 TraceCheckUtils]: 39: Hoare triple {3761#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} ~len := #t~post5 - 1; {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:21,181 INFO L280 TraceCheckUtils]: 40: Hoare triple {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~post5; {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:21,182 INFO L280 TraceCheckUtils]: 41: Hoare triple {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !(~len > 0); {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-08 22:26:21,182 INFO L280 TraceCheckUtils]: 42: Hoare triple {3763#(<= |dll_create_#in~len| 2)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-08 22:26:21,183 INFO L280 TraceCheckUtils]: 43: Hoare triple {3763#(<= |dll_create_#in~len| 2)} assume true; {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-08 22:26:21,185 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3763#(<= |dll_create_#in~len| 2)} {3710#(<= 5 main_~len~0)} #184#return; {3704#false} is VALID [2020-07-08 22:26:21,189 INFO L263 TraceCheckUtils]: 0: Hoare triple {3703#true} call ULTIMATE.init(); {3756#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:21,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {3756#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3703#true} is VALID [2020-07-08 22:26:21,190 INFO L280 TraceCheckUtils]: 2: Hoare triple {3703#true} #valid := #valid[0 := 0]; {3703#true} is VALID [2020-07-08 22:26:21,190 INFO L280 TraceCheckUtils]: 3: Hoare triple {3703#true} assume 0 < #StackHeapBarrier; {3703#true} is VALID [2020-07-08 22:26:21,190 INFO L280 TraceCheckUtils]: 4: Hoare triple {3703#true} assume true; {3703#true} is VALID [2020-07-08 22:26:21,190 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3703#true} {3703#true} #188#return; {3703#true} is VALID [2020-07-08 22:26:21,190 INFO L263 TraceCheckUtils]: 6: Hoare triple {3703#true} call #t~ret20 := main(); {3703#true} is VALID [2020-07-08 22:26:21,191 INFO L280 TraceCheckUtils]: 7: Hoare triple {3703#true} ~len~0 := 5; {3710#(<= 5 main_~len~0)} is VALID [2020-07-08 22:26:21,193 INFO L263 TraceCheckUtils]: 8: Hoare triple {3710#(<= 5 main_~len~0)} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {3757#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:21,193 INFO L280 TraceCheckUtils]: 9: Hoare triple {3757#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,196 INFO L280 TraceCheckUtils]: 10: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,196 INFO L280 TraceCheckUtils]: 11: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,197 INFO L280 TraceCheckUtils]: 12: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,198 INFO L280 TraceCheckUtils]: 13: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,198 INFO L280 TraceCheckUtils]: 14: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,199 INFO L280 TraceCheckUtils]: 15: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,199 INFO L280 TraceCheckUtils]: 16: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,200 INFO L280 TraceCheckUtils]: 17: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,201 INFO L280 TraceCheckUtils]: 18: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,202 INFO L280 TraceCheckUtils]: 19: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,202 INFO L280 TraceCheckUtils]: 20: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,203 INFO L280 TraceCheckUtils]: 21: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,203 INFO L280 TraceCheckUtils]: 22: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,204 INFO L280 TraceCheckUtils]: 23: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,205 INFO L280 TraceCheckUtils]: 24: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,205 INFO L280 TraceCheckUtils]: 25: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,206 INFO L280 TraceCheckUtils]: 26: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:21,206 INFO L280 TraceCheckUtils]: 27: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {3759#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:21,207 INFO L280 TraceCheckUtils]: 28: Hoare triple {3759#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,208 INFO L280 TraceCheckUtils]: 29: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,209 INFO L280 TraceCheckUtils]: 30: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !!(~len > 0); {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,210 INFO L280 TraceCheckUtils]: 31: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,210 INFO L280 TraceCheckUtils]: 32: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,211 INFO L280 TraceCheckUtils]: 33: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,212 INFO L280 TraceCheckUtils]: 34: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,213 INFO L280 TraceCheckUtils]: 35: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,213 INFO L280 TraceCheckUtils]: 36: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,214 INFO L280 TraceCheckUtils]: 37: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume #t~nondet3 == ~len; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,215 INFO L280 TraceCheckUtils]: 38: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~ite4 := 1; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,215 INFO L280 TraceCheckUtils]: 39: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,216 INFO L280 TraceCheckUtils]: 40: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~nondet3; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,217 INFO L280 TraceCheckUtils]: 41: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~ite4; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,217 INFO L280 TraceCheckUtils]: 42: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,218 INFO L280 TraceCheckUtils]: 43: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,220 INFO L280 TraceCheckUtils]: 44: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,221 INFO L280 TraceCheckUtils]: 45: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,224 INFO L280 TraceCheckUtils]: 46: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:21,225 INFO L280 TraceCheckUtils]: 47: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~post5 := ~len; {3761#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} is VALID [2020-07-08 22:26:21,228 INFO L280 TraceCheckUtils]: 48: Hoare triple {3761#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} ~len := #t~post5 - 1; {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:21,228 INFO L280 TraceCheckUtils]: 49: Hoare triple {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~post5; {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:21,229 INFO L280 TraceCheckUtils]: 50: Hoare triple {3762#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !(~len > 0); {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-08 22:26:21,230 INFO L280 TraceCheckUtils]: 51: Hoare triple {3763#(<= |dll_create_#in~len| 2)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-08 22:26:21,231 INFO L280 TraceCheckUtils]: 52: Hoare triple {3763#(<= |dll_create_#in~len| 2)} assume true; {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-08 22:26:21,232 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {3763#(<= |dll_create_#in~len| 2)} {3710#(<= 5 main_~len~0)} #184#return; {3704#false} is VALID [2020-07-08 22:26:21,232 INFO L280 TraceCheckUtils]: 54: Hoare triple {3704#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {3704#false} is VALID [2020-07-08 22:26:21,233 INFO L280 TraceCheckUtils]: 55: Hoare triple {3704#false} havoc #t~ret6.base, #t~ret6.offset; {3704#false} is VALID [2020-07-08 22:26:21,233 INFO L280 TraceCheckUtils]: 56: Hoare triple {3704#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {3704#false} is VALID [2020-07-08 22:26:21,233 INFO L280 TraceCheckUtils]: 57: Hoare triple {3704#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {3704#false} is VALID [2020-07-08 22:26:21,233 INFO L280 TraceCheckUtils]: 58: Hoare triple {3704#false} havoc #t~mem13.base, #t~mem13.offset; {3704#false} is VALID [2020-07-08 22:26:21,233 INFO L280 TraceCheckUtils]: 59: Hoare triple {3704#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {3704#false} is VALID [2020-07-08 22:26:21,234 INFO L280 TraceCheckUtils]: 60: Hoare triple {3704#false} #t~short9 := 0 != #t~mem7; {3704#false} is VALID [2020-07-08 22:26:21,234 INFO L280 TraceCheckUtils]: 61: Hoare triple {3704#false} assume #t~short9; {3704#false} is VALID [2020-07-08 22:26:21,234 INFO L280 TraceCheckUtils]: 62: Hoare triple {3704#false} #t~short11 := #t~short9; {3704#false} is VALID [2020-07-08 22:26:21,234 INFO L280 TraceCheckUtils]: 63: Hoare triple {3704#false} assume #t~short11; {3704#false} is VALID [2020-07-08 22:26:21,234 INFO L280 TraceCheckUtils]: 64: Hoare triple {3704#false} assume #t~short11; {3704#false} is VALID [2020-07-08 22:26:21,235 INFO L280 TraceCheckUtils]: 65: Hoare triple {3704#false} havoc #t~mem8; {3704#false} is VALID [2020-07-08 22:26:21,235 INFO L280 TraceCheckUtils]: 66: Hoare triple {3704#false} havoc #t~short9; {3704#false} is VALID [2020-07-08 22:26:21,235 INFO L280 TraceCheckUtils]: 67: Hoare triple {3704#false} havoc #t~short11; {3704#false} is VALID [2020-07-08 22:26:21,235 INFO L280 TraceCheckUtils]: 68: Hoare triple {3704#false} havoc #t~mem7; {3704#false} is VALID [2020-07-08 22:26:21,235 INFO L280 TraceCheckUtils]: 69: Hoare triple {3704#false} havoc #t~mem10; {3704#false} is VALID [2020-07-08 22:26:21,236 INFO L280 TraceCheckUtils]: 70: Hoare triple {3704#false} assume !false; {3704#false} is VALID [2020-07-08 22:26:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:21,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066444714] [2020-07-08 22:26:21,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:21,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-08 22:26:21,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212632437] [2020-07-08 22:26:21,245 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-07-08 22:26:21,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:21,246 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-08 22:26:21,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:21,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-08 22:26:21,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:21,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-08 22:26:21,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-08 22:26:21,326 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand 11 states. [2020-07-08 22:26:22,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:22,690 INFO L93 Difference]: Finished difference Result 214 states and 233 transitions. [2020-07-08 22:26:22,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-08 22:26:22,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-07-08 22:26:22,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 22:26:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 233 transitions. [2020-07-08 22:26:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 22:26:22,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 233 transitions. [2020-07-08 22:26:22,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 233 transitions. [2020-07-08 22:26:22,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:22,989 INFO L225 Difference]: With dead ends: 214 [2020-07-08 22:26:22,989 INFO L226 Difference]: Without dead ends: 154 [2020-07-08 22:26:22,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2020-07-08 22:26:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-08 22:26:23,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2020-07-08 22:26:23,249 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:23,249 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand 135 states. [2020-07-08 22:26:23,249 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 135 states. [2020-07-08 22:26:23,249 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 135 states. [2020-07-08 22:26:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:23,254 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2020-07-08 22:26:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2020-07-08 22:26:23,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:23,255 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:23,255 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand 154 states. [2020-07-08 22:26:23,255 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 154 states. [2020-07-08 22:26:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:23,259 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2020-07-08 22:26:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2020-07-08 22:26:23,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:23,260 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:23,260 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:23,261 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-08 22:26:23,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2020-07-08 22:26:23,265 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 71 [2020-07-08 22:26:23,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:23,266 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2020-07-08 22:26:23,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-08 22:26:23,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 135 states and 146 transitions. [2020-07-08 22:26:23,470 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2020-07-08 22:26:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-08 22:26:23,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:23,473 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:23,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:26:23,474 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:23,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:23,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1395228995, now seen corresponding path program 2 times [2020-07-08 22:26:23,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:23,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38644639] [2020-07-08 22:26:23,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:23,580 INFO L280 TraceCheckUtils]: 0: Hoare triple {4862#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4789#true} is VALID [2020-07-08 22:26:23,580 INFO L280 TraceCheckUtils]: 1: Hoare triple {4789#true} #valid := #valid[0 := 0]; {4789#true} is VALID [2020-07-08 22:26:23,580 INFO L280 TraceCheckUtils]: 2: Hoare triple {4789#true} assume 0 < #StackHeapBarrier; {4789#true} is VALID [2020-07-08 22:26:23,581 INFO L280 TraceCheckUtils]: 3: Hoare triple {4789#true} assume true; {4789#true} is VALID [2020-07-08 22:26:23,581 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4789#true} {4789#true} #188#return; {4789#true} is VALID [2020-07-08 22:26:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:23,811 INFO L280 TraceCheckUtils]: 0: Hoare triple {4863#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,812 INFO L280 TraceCheckUtils]: 1: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,813 INFO L280 TraceCheckUtils]: 2: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,814 INFO L280 TraceCheckUtils]: 3: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,815 INFO L280 TraceCheckUtils]: 4: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,816 INFO L280 TraceCheckUtils]: 5: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,817 INFO L280 TraceCheckUtils]: 6: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,818 INFO L280 TraceCheckUtils]: 7: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,819 INFO L280 TraceCheckUtils]: 8: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,819 INFO L280 TraceCheckUtils]: 9: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,820 INFO L280 TraceCheckUtils]: 10: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,821 INFO L280 TraceCheckUtils]: 11: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,822 INFO L280 TraceCheckUtils]: 12: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,823 INFO L280 TraceCheckUtils]: 13: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,824 INFO L280 TraceCheckUtils]: 14: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,825 INFO L280 TraceCheckUtils]: 15: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,826 INFO L280 TraceCheckUtils]: 16: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,827 INFO L280 TraceCheckUtils]: 17: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,828 INFO L280 TraceCheckUtils]: 18: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {4865#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:23,829 INFO L280 TraceCheckUtils]: 19: Hoare triple {4865#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,830 INFO L280 TraceCheckUtils]: 20: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,831 INFO L280 TraceCheckUtils]: 21: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !!(~len > 0); {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,832 INFO L280 TraceCheckUtils]: 22: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,832 INFO L280 TraceCheckUtils]: 23: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,833 INFO L280 TraceCheckUtils]: 24: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,835 INFO L280 TraceCheckUtils]: 25: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,835 INFO L280 TraceCheckUtils]: 26: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,837 INFO L280 TraceCheckUtils]: 27: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,837 INFO L280 TraceCheckUtils]: 28: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume #t~nondet3 == ~len; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,838 INFO L280 TraceCheckUtils]: 29: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~ite4 := 1; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,839 INFO L280 TraceCheckUtils]: 30: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,841 INFO L280 TraceCheckUtils]: 31: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~nondet3; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,842 INFO L280 TraceCheckUtils]: 32: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~ite4; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,843 INFO L280 TraceCheckUtils]: 33: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,844 INFO L280 TraceCheckUtils]: 34: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,845 INFO L280 TraceCheckUtils]: 35: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,846 INFO L280 TraceCheckUtils]: 36: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,847 INFO L280 TraceCheckUtils]: 37: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,848 INFO L280 TraceCheckUtils]: 38: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~post5 := ~len; {4867#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} is VALID [2020-07-08 22:26:23,850 INFO L280 TraceCheckUtils]: 39: Hoare triple {4867#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} ~len := #t~post5 - 1; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,851 INFO L280 TraceCheckUtils]: 40: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~post5; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,851 INFO L280 TraceCheckUtils]: 41: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !!(~len > 0); {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,852 INFO L280 TraceCheckUtils]: 42: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,852 INFO L280 TraceCheckUtils]: 43: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,853 INFO L280 TraceCheckUtils]: 44: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,854 INFO L280 TraceCheckUtils]: 45: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,854 INFO L280 TraceCheckUtils]: 46: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,855 INFO L280 TraceCheckUtils]: 47: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,855 INFO L280 TraceCheckUtils]: 48: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume #t~nondet3 == ~len; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,856 INFO L280 TraceCheckUtils]: 49: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~ite4 := 1; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,857 INFO L280 TraceCheckUtils]: 50: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,857 INFO L280 TraceCheckUtils]: 51: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~nondet3; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,858 INFO L280 TraceCheckUtils]: 52: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~ite4; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,858 INFO L280 TraceCheckUtils]: 53: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,859 INFO L280 TraceCheckUtils]: 54: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,859 INFO L280 TraceCheckUtils]: 55: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,860 INFO L280 TraceCheckUtils]: 56: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,861 INFO L280 TraceCheckUtils]: 57: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,862 INFO L280 TraceCheckUtils]: 58: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~post5 := ~len; {4869#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} is VALID [2020-07-08 22:26:23,863 INFO L280 TraceCheckUtils]: 59: Hoare triple {4869#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} ~len := #t~post5 - 1; {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:23,865 INFO L280 TraceCheckUtils]: 60: Hoare triple {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~post5; {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:23,866 INFO L280 TraceCheckUtils]: 61: Hoare triple {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume !(~len > 0); {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-08 22:26:23,867 INFO L280 TraceCheckUtils]: 62: Hoare triple {4871#(<= |dll_create_#in~len| 3)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-08 22:26:23,868 INFO L280 TraceCheckUtils]: 63: Hoare triple {4871#(<= |dll_create_#in~len| 3)} assume true; {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-08 22:26:23,871 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4871#(<= |dll_create_#in~len| 3)} {4796#(<= 5 main_~len~0)} #184#return; {4790#false} is VALID [2020-07-08 22:26:23,883 INFO L263 TraceCheckUtils]: 0: Hoare triple {4789#true} call ULTIMATE.init(); {4862#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:23,883 INFO L280 TraceCheckUtils]: 1: Hoare triple {4862#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4789#true} is VALID [2020-07-08 22:26:23,883 INFO L280 TraceCheckUtils]: 2: Hoare triple {4789#true} #valid := #valid[0 := 0]; {4789#true} is VALID [2020-07-08 22:26:23,884 INFO L280 TraceCheckUtils]: 3: Hoare triple {4789#true} assume 0 < #StackHeapBarrier; {4789#true} is VALID [2020-07-08 22:26:23,884 INFO L280 TraceCheckUtils]: 4: Hoare triple {4789#true} assume true; {4789#true} is VALID [2020-07-08 22:26:23,884 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4789#true} {4789#true} #188#return; {4789#true} is VALID [2020-07-08 22:26:23,885 INFO L263 TraceCheckUtils]: 6: Hoare triple {4789#true} call #t~ret20 := main(); {4789#true} is VALID [2020-07-08 22:26:23,886 INFO L280 TraceCheckUtils]: 7: Hoare triple {4789#true} ~len~0 := 5; {4796#(<= 5 main_~len~0)} is VALID [2020-07-08 22:26:23,888 INFO L263 TraceCheckUtils]: 8: Hoare triple {4796#(<= 5 main_~len~0)} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {4863#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:23,888 INFO L280 TraceCheckUtils]: 9: Hoare triple {4863#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,889 INFO L280 TraceCheckUtils]: 10: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,891 INFO L280 TraceCheckUtils]: 12: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,892 INFO L280 TraceCheckUtils]: 13: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,893 INFO L280 TraceCheckUtils]: 14: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,894 INFO L280 TraceCheckUtils]: 15: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,894 INFO L280 TraceCheckUtils]: 16: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,895 INFO L280 TraceCheckUtils]: 17: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,895 INFO L280 TraceCheckUtils]: 18: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,896 INFO L280 TraceCheckUtils]: 19: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,896 INFO L280 TraceCheckUtils]: 20: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,897 INFO L280 TraceCheckUtils]: 21: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,899 INFO L280 TraceCheckUtils]: 22: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,899 INFO L280 TraceCheckUtils]: 23: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,900 INFO L280 TraceCheckUtils]: 24: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,901 INFO L280 TraceCheckUtils]: 25: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,901 INFO L280 TraceCheckUtils]: 26: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:23,903 INFO L280 TraceCheckUtils]: 27: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {4865#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:23,904 INFO L280 TraceCheckUtils]: 28: Hoare triple {4865#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,904 INFO L280 TraceCheckUtils]: 29: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,905 INFO L280 TraceCheckUtils]: 30: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !!(~len > 0); {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,905 INFO L280 TraceCheckUtils]: 31: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,906 INFO L280 TraceCheckUtils]: 32: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,906 INFO L280 TraceCheckUtils]: 33: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,907 INFO L280 TraceCheckUtils]: 34: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,909 INFO L280 TraceCheckUtils]: 35: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,910 INFO L280 TraceCheckUtils]: 36: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,912 INFO L280 TraceCheckUtils]: 37: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume #t~nondet3 == ~len; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,914 INFO L280 TraceCheckUtils]: 38: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~ite4 := 1; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,916 INFO L280 TraceCheckUtils]: 39: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,917 INFO L280 TraceCheckUtils]: 40: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~nondet3; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,917 INFO L280 TraceCheckUtils]: 41: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~ite4; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,918 INFO L280 TraceCheckUtils]: 42: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,919 INFO L280 TraceCheckUtils]: 43: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,919 INFO L280 TraceCheckUtils]: 44: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,920 INFO L280 TraceCheckUtils]: 45: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,921 INFO L280 TraceCheckUtils]: 46: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:23,921 INFO L280 TraceCheckUtils]: 47: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~post5 := ~len; {4867#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} is VALID [2020-07-08 22:26:23,922 INFO L280 TraceCheckUtils]: 48: Hoare triple {4867#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} ~len := #t~post5 - 1; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,923 INFO L280 TraceCheckUtils]: 49: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~post5; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,924 INFO L280 TraceCheckUtils]: 50: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !!(~len > 0); {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,924 INFO L280 TraceCheckUtils]: 51: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,925 INFO L280 TraceCheckUtils]: 52: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,925 INFO L280 TraceCheckUtils]: 53: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,926 INFO L280 TraceCheckUtils]: 54: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,927 INFO L280 TraceCheckUtils]: 55: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,928 INFO L280 TraceCheckUtils]: 56: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,928 INFO L280 TraceCheckUtils]: 57: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume #t~nondet3 == ~len; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,929 INFO L280 TraceCheckUtils]: 58: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~ite4 := 1; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,930 INFO L280 TraceCheckUtils]: 59: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,930 INFO L280 TraceCheckUtils]: 60: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~nondet3; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,931 INFO L280 TraceCheckUtils]: 61: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~ite4; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,932 INFO L280 TraceCheckUtils]: 62: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,932 INFO L280 TraceCheckUtils]: 63: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,933 INFO L280 TraceCheckUtils]: 64: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,934 INFO L280 TraceCheckUtils]: 65: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,934 INFO L280 TraceCheckUtils]: 66: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:23,935 INFO L280 TraceCheckUtils]: 67: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~post5 := ~len; {4869#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} is VALID [2020-07-08 22:26:23,936 INFO L280 TraceCheckUtils]: 68: Hoare triple {4869#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} ~len := #t~post5 - 1; {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:23,937 INFO L280 TraceCheckUtils]: 69: Hoare triple {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~post5; {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:23,938 INFO L280 TraceCheckUtils]: 70: Hoare triple {4870#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume !(~len > 0); {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-08 22:26:23,939 INFO L280 TraceCheckUtils]: 71: Hoare triple {4871#(<= |dll_create_#in~len| 3)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-08 22:26:23,939 INFO L280 TraceCheckUtils]: 72: Hoare triple {4871#(<= |dll_create_#in~len| 3)} assume true; {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-08 22:26:23,941 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4871#(<= |dll_create_#in~len| 3)} {4796#(<= 5 main_~len~0)} #184#return; {4790#false} is VALID [2020-07-08 22:26:23,941 INFO L280 TraceCheckUtils]: 74: Hoare triple {4790#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {4790#false} is VALID [2020-07-08 22:26:23,941 INFO L280 TraceCheckUtils]: 75: Hoare triple {4790#false} havoc #t~ret6.base, #t~ret6.offset; {4790#false} is VALID [2020-07-08 22:26:23,942 INFO L280 TraceCheckUtils]: 76: Hoare triple {4790#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {4790#false} is VALID [2020-07-08 22:26:23,942 INFO L280 TraceCheckUtils]: 77: Hoare triple {4790#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {4790#false} is VALID [2020-07-08 22:26:23,942 INFO L280 TraceCheckUtils]: 78: Hoare triple {4790#false} havoc #t~mem13.base, #t~mem13.offset; {4790#false} is VALID [2020-07-08 22:26:23,942 INFO L280 TraceCheckUtils]: 79: Hoare triple {4790#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {4790#false} is VALID [2020-07-08 22:26:23,942 INFO L280 TraceCheckUtils]: 80: Hoare triple {4790#false} #t~short9 := 0 != #t~mem7; {4790#false} is VALID [2020-07-08 22:26:23,942 INFO L280 TraceCheckUtils]: 81: Hoare triple {4790#false} assume #t~short9; {4790#false} is VALID [2020-07-08 22:26:23,943 INFO L280 TraceCheckUtils]: 82: Hoare triple {4790#false} #t~short11 := #t~short9; {4790#false} is VALID [2020-07-08 22:26:23,943 INFO L280 TraceCheckUtils]: 83: Hoare triple {4790#false} assume #t~short11; {4790#false} is VALID [2020-07-08 22:26:23,943 INFO L280 TraceCheckUtils]: 84: Hoare triple {4790#false} assume #t~short11; {4790#false} is VALID [2020-07-08 22:26:23,943 INFO L280 TraceCheckUtils]: 85: Hoare triple {4790#false} havoc #t~mem8; {4790#false} is VALID [2020-07-08 22:26:23,943 INFO L280 TraceCheckUtils]: 86: Hoare triple {4790#false} havoc #t~short9; {4790#false} is VALID [2020-07-08 22:26:23,944 INFO L280 TraceCheckUtils]: 87: Hoare triple {4790#false} havoc #t~short11; {4790#false} is VALID [2020-07-08 22:26:23,944 INFO L280 TraceCheckUtils]: 88: Hoare triple {4790#false} havoc #t~mem7; {4790#false} is VALID [2020-07-08 22:26:23,944 INFO L280 TraceCheckUtils]: 89: Hoare triple {4790#false} havoc #t~mem10; {4790#false} is VALID [2020-07-08 22:26:23,944 INFO L280 TraceCheckUtils]: 90: Hoare triple {4790#false} assume !false; {4790#false} is VALID [2020-07-08 22:26:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:23,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38644639] [2020-07-08 22:26:23,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:23,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-08 22:26:23,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408525863] [2020-07-08 22:26:23,958 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-07-08 22:26:23,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:23,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-08 22:26:24,064 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:24,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-08 22:26:24,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:24,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-08 22:26:24,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-08 22:26:24,065 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand 13 states. [2020-07-08 22:26:25,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:25,824 INFO L93 Difference]: Finished difference Result 235 states and 255 transitions. [2020-07-08 22:26:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 22:26:25,825 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-07-08 22:26:25,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 22:26:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 255 transitions. [2020-07-08 22:26:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 22:26:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 255 transitions. [2020-07-08 22:26:25,837 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 255 transitions. [2020-07-08 22:26:26,166 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 255 edges. 255 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:26,170 INFO L225 Difference]: With dead ends: 235 [2020-07-08 22:26:26,170 INFO L226 Difference]: Without dead ends: 175 [2020-07-08 22:26:26,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-07-08 22:26:26,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-08 22:26:26,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 156. [2020-07-08 22:26:26,458 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:26,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 175 states. Second operand 156 states. [2020-07-08 22:26:26,458 INFO L74 IsIncluded]: Start isIncluded. First operand 175 states. Second operand 156 states. [2020-07-08 22:26:26,459 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 156 states. [2020-07-08 22:26:26,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:26,465 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2020-07-08 22:26:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2020-07-08 22:26:26,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:26,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:26,466 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 175 states. [2020-07-08 22:26:26,466 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 175 states. [2020-07-08 22:26:26,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:26,472 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2020-07-08 22:26:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2020-07-08 22:26:26,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:26,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:26,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:26,473 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-08 22:26:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2020-07-08 22:26:26,478 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 91 [2020-07-08 22:26:26,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:26,479 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2020-07-08 22:26:26,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-08 22:26:26,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 168 transitions. [2020-07-08 22:26:26,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2020-07-08 22:26:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-08 22:26:26,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:26,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:26,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:26:26,726 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash 274581320, now seen corresponding path program 3 times [2020-07-08 22:26:26,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:26,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489160877] [2020-07-08 22:26:26,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:26,870 INFO L280 TraceCheckUtils]: 0: Hoare triple {6120#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6027#true} is VALID [2020-07-08 22:26:26,871 INFO L280 TraceCheckUtils]: 1: Hoare triple {6027#true} #valid := #valid[0 := 0]; {6027#true} is VALID [2020-07-08 22:26:26,871 INFO L280 TraceCheckUtils]: 2: Hoare triple {6027#true} assume 0 < #StackHeapBarrier; {6027#true} is VALID [2020-07-08 22:26:26,871 INFO L280 TraceCheckUtils]: 3: Hoare triple {6027#true} assume true; {6027#true} is VALID [2020-07-08 22:26:26,871 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6027#true} {6027#true} #188#return; {6027#true} is VALID [2020-07-08 22:26:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:27,148 INFO L280 TraceCheckUtils]: 0: Hoare triple {6121#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,150 INFO L280 TraceCheckUtils]: 2: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,151 INFO L280 TraceCheckUtils]: 3: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,151 INFO L280 TraceCheckUtils]: 4: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,152 INFO L280 TraceCheckUtils]: 5: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,152 INFO L280 TraceCheckUtils]: 6: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,153 INFO L280 TraceCheckUtils]: 7: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,154 INFO L280 TraceCheckUtils]: 8: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,154 INFO L280 TraceCheckUtils]: 9: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,155 INFO L280 TraceCheckUtils]: 10: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,155 INFO L280 TraceCheckUtils]: 11: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,156 INFO L280 TraceCheckUtils]: 12: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,156 INFO L280 TraceCheckUtils]: 13: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,157 INFO L280 TraceCheckUtils]: 14: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,158 INFO L280 TraceCheckUtils]: 15: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,158 INFO L280 TraceCheckUtils]: 16: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,159 INFO L280 TraceCheckUtils]: 17: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,160 INFO L280 TraceCheckUtils]: 18: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {6123#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:27,161 INFO L280 TraceCheckUtils]: 19: Hoare triple {6123#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,161 INFO L280 TraceCheckUtils]: 20: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,162 INFO L280 TraceCheckUtils]: 21: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !!(~len > 0); {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,163 INFO L280 TraceCheckUtils]: 22: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,163 INFO L280 TraceCheckUtils]: 23: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,164 INFO L280 TraceCheckUtils]: 24: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,165 INFO L280 TraceCheckUtils]: 25: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,165 INFO L280 TraceCheckUtils]: 26: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,166 INFO L280 TraceCheckUtils]: 27: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,166 INFO L280 TraceCheckUtils]: 28: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume #t~nondet3 == ~len; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,167 INFO L280 TraceCheckUtils]: 29: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~ite4 := 1; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,168 INFO L280 TraceCheckUtils]: 30: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,168 INFO L280 TraceCheckUtils]: 31: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~nondet3; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,169 INFO L280 TraceCheckUtils]: 32: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~ite4; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,169 INFO L280 TraceCheckUtils]: 33: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,170 INFO L280 TraceCheckUtils]: 34: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,171 INFO L280 TraceCheckUtils]: 35: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,171 INFO L280 TraceCheckUtils]: 36: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,172 INFO L280 TraceCheckUtils]: 37: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,172 INFO L280 TraceCheckUtils]: 38: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~post5 := ~len; {6125#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} is VALID [2020-07-08 22:26:27,173 INFO L280 TraceCheckUtils]: 39: Hoare triple {6125#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} ~len := #t~post5 - 1; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,174 INFO L280 TraceCheckUtils]: 40: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~post5; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,175 INFO L280 TraceCheckUtils]: 41: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !!(~len > 0); {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,175 INFO L280 TraceCheckUtils]: 42: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,176 INFO L280 TraceCheckUtils]: 43: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,177 INFO L280 TraceCheckUtils]: 44: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,177 INFO L280 TraceCheckUtils]: 45: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,178 INFO L280 TraceCheckUtils]: 46: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,178 INFO L280 TraceCheckUtils]: 47: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,179 INFO L280 TraceCheckUtils]: 48: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume #t~nondet3 == ~len; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,180 INFO L280 TraceCheckUtils]: 49: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~ite4 := 1; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,180 INFO L280 TraceCheckUtils]: 50: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,181 INFO L280 TraceCheckUtils]: 51: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~nondet3; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,182 INFO L280 TraceCheckUtils]: 52: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~ite4; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,182 INFO L280 TraceCheckUtils]: 53: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,183 INFO L280 TraceCheckUtils]: 54: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,184 INFO L280 TraceCheckUtils]: 55: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,184 INFO L280 TraceCheckUtils]: 56: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,185 INFO L280 TraceCheckUtils]: 57: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,186 INFO L280 TraceCheckUtils]: 58: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~post5 := ~len; {6127#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} is VALID [2020-07-08 22:26:27,187 INFO L280 TraceCheckUtils]: 59: Hoare triple {6127#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} ~len := #t~post5 - 1; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,188 INFO L280 TraceCheckUtils]: 60: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~post5; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,188 INFO L280 TraceCheckUtils]: 61: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume !!(~len > 0); {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,189 INFO L280 TraceCheckUtils]: 62: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,190 INFO L280 TraceCheckUtils]: 63: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,190 INFO L280 TraceCheckUtils]: 64: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,191 INFO L280 TraceCheckUtils]: 65: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,192 INFO L280 TraceCheckUtils]: 66: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,192 INFO L280 TraceCheckUtils]: 67: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,193 INFO L280 TraceCheckUtils]: 68: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume #t~nondet3 == ~len; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,193 INFO L280 TraceCheckUtils]: 69: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} #t~ite4 := 1; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,194 INFO L280 TraceCheckUtils]: 70: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,195 INFO L280 TraceCheckUtils]: 71: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~nondet3; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,195 INFO L280 TraceCheckUtils]: 72: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~ite4; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,196 INFO L280 TraceCheckUtils]: 73: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,197 INFO L280 TraceCheckUtils]: 74: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,197 INFO L280 TraceCheckUtils]: 75: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,198 INFO L280 TraceCheckUtils]: 76: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,199 INFO L280 TraceCheckUtils]: 77: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,199 INFO L280 TraceCheckUtils]: 78: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} #t~post5 := ~len; {6129#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 3))} is VALID [2020-07-08 22:26:27,200 INFO L280 TraceCheckUtils]: 79: Hoare triple {6129#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 3))} ~len := #t~post5 - 1; {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} is VALID [2020-07-08 22:26:27,201 INFO L280 TraceCheckUtils]: 80: Hoare triple {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} havoc #t~post5; {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} is VALID [2020-07-08 22:26:27,202 INFO L280 TraceCheckUtils]: 81: Hoare triple {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} assume !(~len > 0); {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-08 22:26:27,203 INFO L280 TraceCheckUtils]: 82: Hoare triple {6131#(<= |dll_create_#in~len| 4)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-08 22:26:27,203 INFO L280 TraceCheckUtils]: 83: Hoare triple {6131#(<= |dll_create_#in~len| 4)} assume true; {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-08 22:26:27,205 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {6131#(<= |dll_create_#in~len| 4)} {6034#(<= 5 main_~len~0)} #184#return; {6028#false} is VALID [2020-07-08 22:26:27,215 INFO L263 TraceCheckUtils]: 0: Hoare triple {6027#true} call ULTIMATE.init(); {6120#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:27,216 INFO L280 TraceCheckUtils]: 1: Hoare triple {6120#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6027#true} is VALID [2020-07-08 22:26:27,216 INFO L280 TraceCheckUtils]: 2: Hoare triple {6027#true} #valid := #valid[0 := 0]; {6027#true} is VALID [2020-07-08 22:26:27,216 INFO L280 TraceCheckUtils]: 3: Hoare triple {6027#true} assume 0 < #StackHeapBarrier; {6027#true} is VALID [2020-07-08 22:26:27,216 INFO L280 TraceCheckUtils]: 4: Hoare triple {6027#true} assume true; {6027#true} is VALID [2020-07-08 22:26:27,216 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6027#true} {6027#true} #188#return; {6027#true} is VALID [2020-07-08 22:26:27,217 INFO L263 TraceCheckUtils]: 6: Hoare triple {6027#true} call #t~ret20 := main(); {6027#true} is VALID [2020-07-08 22:26:27,217 INFO L280 TraceCheckUtils]: 7: Hoare triple {6027#true} ~len~0 := 5; {6034#(<= 5 main_~len~0)} is VALID [2020-07-08 22:26:27,218 INFO L263 TraceCheckUtils]: 8: Hoare triple {6034#(<= 5 main_~len~0)} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {6121#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:27,219 INFO L280 TraceCheckUtils]: 9: Hoare triple {6121#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,220 INFO L280 TraceCheckUtils]: 10: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,220 INFO L280 TraceCheckUtils]: 11: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume !!(~len > 0); {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,221 INFO L280 TraceCheckUtils]: 12: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,222 INFO L280 TraceCheckUtils]: 13: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,222 INFO L280 TraceCheckUtils]: 14: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,223 INFO L280 TraceCheckUtils]: 15: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,223 INFO L280 TraceCheckUtils]: 16: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,224 INFO L280 TraceCheckUtils]: 17: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,224 INFO L280 TraceCheckUtils]: 18: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume #t~nondet3 == ~len; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,225 INFO L280 TraceCheckUtils]: 19: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} #t~ite4 := 1; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,226 INFO L280 TraceCheckUtils]: 20: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,226 INFO L280 TraceCheckUtils]: 21: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,227 INFO L280 TraceCheckUtils]: 22: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,227 INFO L280 TraceCheckUtils]: 23: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,228 INFO L280 TraceCheckUtils]: 24: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,228 INFO L280 TraceCheckUtils]: 25: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} assume !(~head~0.base != 0 || ~head~0.offset != 0); {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,229 INFO L280 TraceCheckUtils]: 26: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-08 22:26:27,230 INFO L280 TraceCheckUtils]: 27: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} #t~post5 := ~len; {6123#(<= |dll_create_#in~len| |dll_create_#t~post5|)} is VALID [2020-07-08 22:26:27,231 INFO L280 TraceCheckUtils]: 28: Hoare triple {6123#(<= |dll_create_#in~len| |dll_create_#t~post5|)} ~len := #t~post5 - 1; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,231 INFO L280 TraceCheckUtils]: 29: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~post5; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,232 INFO L280 TraceCheckUtils]: 30: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !!(~len > 0); {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,233 INFO L280 TraceCheckUtils]: 31: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,233 INFO L280 TraceCheckUtils]: 32: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,234 INFO L280 TraceCheckUtils]: 33: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,235 INFO L280 TraceCheckUtils]: 34: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,235 INFO L280 TraceCheckUtils]: 35: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,236 INFO L280 TraceCheckUtils]: 36: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,236 INFO L280 TraceCheckUtils]: 37: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume #t~nondet3 == ~len; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,237 INFO L280 TraceCheckUtils]: 38: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~ite4 := 1; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,238 INFO L280 TraceCheckUtils]: 39: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,238 INFO L280 TraceCheckUtils]: 40: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~nondet3; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,239 INFO L280 TraceCheckUtils]: 41: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} havoc #t~ite4; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,239 INFO L280 TraceCheckUtils]: 42: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,240 INFO L280 TraceCheckUtils]: 43: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,240 INFO L280 TraceCheckUtils]: 44: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,241 INFO L280 TraceCheckUtils]: 45: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,242 INFO L280 TraceCheckUtils]: 46: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-08 22:26:27,242 INFO L280 TraceCheckUtils]: 47: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} #t~post5 := ~len; {6125#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} is VALID [2020-07-08 22:26:27,243 INFO L280 TraceCheckUtils]: 48: Hoare triple {6125#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 1))} ~len := #t~post5 - 1; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,244 INFO L280 TraceCheckUtils]: 49: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~post5; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,244 INFO L280 TraceCheckUtils]: 50: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !!(~len > 0); {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,245 INFO L280 TraceCheckUtils]: 51: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,246 INFO L280 TraceCheckUtils]: 52: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,246 INFO L280 TraceCheckUtils]: 53: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,247 INFO L280 TraceCheckUtils]: 54: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,248 INFO L280 TraceCheckUtils]: 55: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,249 INFO L280 TraceCheckUtils]: 56: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,250 INFO L280 TraceCheckUtils]: 57: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume #t~nondet3 == ~len; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,251 INFO L280 TraceCheckUtils]: 58: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~ite4 := 1; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,251 INFO L280 TraceCheckUtils]: 59: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,252 INFO L280 TraceCheckUtils]: 60: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~nondet3; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,252 INFO L280 TraceCheckUtils]: 61: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} havoc #t~ite4; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,253 INFO L280 TraceCheckUtils]: 62: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,254 INFO L280 TraceCheckUtils]: 63: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,254 INFO L280 TraceCheckUtils]: 64: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,255 INFO L280 TraceCheckUtils]: 65: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,255 INFO L280 TraceCheckUtils]: 66: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-08 22:26:27,256 INFO L280 TraceCheckUtils]: 67: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} #t~post5 := ~len; {6127#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} is VALID [2020-07-08 22:26:27,257 INFO L280 TraceCheckUtils]: 68: Hoare triple {6127#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 2))} ~len := #t~post5 - 1; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,258 INFO L280 TraceCheckUtils]: 69: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~post5; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,259 INFO L280 TraceCheckUtils]: 70: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume !!(~len > 0); {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,259 INFO L280 TraceCheckUtils]: 71: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,260 INFO L280 TraceCheckUtils]: 72: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,260 INFO L280 TraceCheckUtils]: 73: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,261 INFO L280 TraceCheckUtils]: 74: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,261 INFO L280 TraceCheckUtils]: 75: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,262 INFO L280 TraceCheckUtils]: 76: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,263 INFO L280 TraceCheckUtils]: 77: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume #t~nondet3 == ~len; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,263 INFO L280 TraceCheckUtils]: 78: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} #t~ite4 := 1; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,263 INFO L280 TraceCheckUtils]: 79: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,264 INFO L280 TraceCheckUtils]: 80: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~nondet3; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,264 INFO L280 TraceCheckUtils]: 81: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} havoc #t~ite4; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,269 INFO L280 TraceCheckUtils]: 82: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,270 INFO L280 TraceCheckUtils]: 83: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,271 INFO L280 TraceCheckUtils]: 84: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,271 INFO L280 TraceCheckUtils]: 85: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,271 INFO L280 TraceCheckUtils]: 86: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-08 22:26:27,272 INFO L280 TraceCheckUtils]: 87: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} #t~post5 := ~len; {6129#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 3))} is VALID [2020-07-08 22:26:27,273 INFO L280 TraceCheckUtils]: 88: Hoare triple {6129#(<= |dll_create_#in~len| (+ |dll_create_#t~post5| 3))} ~len := #t~post5 - 1; {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} is VALID [2020-07-08 22:26:27,273 INFO L280 TraceCheckUtils]: 89: Hoare triple {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} havoc #t~post5; {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} is VALID [2020-07-08 22:26:27,274 INFO L280 TraceCheckUtils]: 90: Hoare triple {6130#(<= |dll_create_#in~len| (+ dll_create_~len 4))} assume !(~len > 0); {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-08 22:26:27,274 INFO L280 TraceCheckUtils]: 91: Hoare triple {6131#(<= |dll_create_#in~len| 4)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-08 22:26:27,275 INFO L280 TraceCheckUtils]: 92: Hoare triple {6131#(<= |dll_create_#in~len| 4)} assume true; {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-08 22:26:27,276 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6131#(<= |dll_create_#in~len| 4)} {6034#(<= 5 main_~len~0)} #184#return; {6028#false} is VALID [2020-07-08 22:26:27,276 INFO L280 TraceCheckUtils]: 94: Hoare triple {6028#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {6028#false} is VALID [2020-07-08 22:26:27,277 INFO L280 TraceCheckUtils]: 95: Hoare triple {6028#false} havoc #t~ret6.base, #t~ret6.offset; {6028#false} is VALID [2020-07-08 22:26:27,277 INFO L280 TraceCheckUtils]: 96: Hoare triple {6028#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {6028#false} is VALID [2020-07-08 22:26:27,277 INFO L280 TraceCheckUtils]: 97: Hoare triple {6028#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {6028#false} is VALID [2020-07-08 22:26:27,277 INFO L280 TraceCheckUtils]: 98: Hoare triple {6028#false} havoc #t~mem13.base, #t~mem13.offset; {6028#false} is VALID [2020-07-08 22:26:27,278 INFO L280 TraceCheckUtils]: 99: Hoare triple {6028#false} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {6028#false} is VALID [2020-07-08 22:26:27,278 INFO L280 TraceCheckUtils]: 100: Hoare triple {6028#false} #t~short9 := 0 != #t~mem7; {6028#false} is VALID [2020-07-08 22:26:27,278 INFO L280 TraceCheckUtils]: 101: Hoare triple {6028#false} assume #t~short9; {6028#false} is VALID [2020-07-08 22:26:27,279 INFO L280 TraceCheckUtils]: 102: Hoare triple {6028#false} #t~short11 := #t~short9; {6028#false} is VALID [2020-07-08 22:26:27,279 INFO L280 TraceCheckUtils]: 103: Hoare triple {6028#false} assume #t~short11; {6028#false} is VALID [2020-07-08 22:26:27,280 INFO L280 TraceCheckUtils]: 104: Hoare triple {6028#false} assume #t~short11; {6028#false} is VALID [2020-07-08 22:26:27,280 INFO L280 TraceCheckUtils]: 105: Hoare triple {6028#false} havoc #t~mem8; {6028#false} is VALID [2020-07-08 22:26:27,280 INFO L280 TraceCheckUtils]: 106: Hoare triple {6028#false} havoc #t~short9; {6028#false} is VALID [2020-07-08 22:26:27,280 INFO L280 TraceCheckUtils]: 107: Hoare triple {6028#false} havoc #t~short11; {6028#false} is VALID [2020-07-08 22:26:27,280 INFO L280 TraceCheckUtils]: 108: Hoare triple {6028#false} havoc #t~mem7; {6028#false} is VALID [2020-07-08 22:26:27,280 INFO L280 TraceCheckUtils]: 109: Hoare triple {6028#false} havoc #t~mem10; {6028#false} is VALID [2020-07-08 22:26:27,281 INFO L280 TraceCheckUtils]: 110: Hoare triple {6028#false} assume !false; {6028#false} is VALID [2020-07-08 22:26:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:27,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489160877] [2020-07-08 22:26:27,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:27,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-08 22:26:27,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037276694] [2020-07-08 22:26:27,295 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 111 [2020-07-08 22:26:27,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:27,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-08 22:26:27,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:27,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-08 22:26:27,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:27,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-08 22:26:27,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-07-08 22:26:27,442 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 15 states. [2020-07-08 22:26:29,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:29,568 INFO L93 Difference]: Finished difference Result 256 states and 277 transitions. [2020-07-08 22:26:29,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-08 22:26:29,568 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 111 [2020-07-08 22:26:29,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 22:26:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 277 transitions. [2020-07-08 22:26:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 22:26:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 277 transitions. [2020-07-08 22:26:29,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 277 transitions. [2020-07-08 22:26:29,921 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 277 edges. 277 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:29,926 INFO L225 Difference]: With dead ends: 256 [2020-07-08 22:26:29,926 INFO L226 Difference]: Without dead ends: 196 [2020-07-08 22:26:29,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-08 22:26:29,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-08 22:26:30,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 177. [2020-07-08 22:26:30,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:30,270 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 177 states. [2020-07-08 22:26:30,270 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 177 states. [2020-07-08 22:26:30,270 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 177 states. [2020-07-08 22:26:30,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:30,276 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2020-07-08 22:26:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 210 transitions. [2020-07-08 22:26:30,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:30,277 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:30,277 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 196 states. [2020-07-08 22:26:30,277 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 196 states. [2020-07-08 22:26:30,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:30,282 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2020-07-08 22:26:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 210 transitions. [2020-07-08 22:26:30,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:30,283 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:30,283 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:30,283 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-08 22:26:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 190 transitions. [2020-07-08 22:26:30,287 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 190 transitions. Word has length 111 [2020-07-08 22:26:30,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:30,288 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 190 transitions. [2020-07-08 22:26:30,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-08 22:26:30,288 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 177 states and 190 transitions. [2020-07-08 22:26:30,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 190 transitions. [2020-07-08 22:26:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-08 22:26:30,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:30,602 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:30,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:26:30,603 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:30,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1182686291, now seen corresponding path program 4 times [2020-07-08 22:26:30,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:30,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856590630] [2020-07-08 22:26:30,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:30,823 INFO L280 TraceCheckUtils]: 0: Hoare triple {7533#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {7417#true} is VALID [2020-07-08 22:26:30,823 INFO L280 TraceCheckUtils]: 1: Hoare triple {7417#true} #valid := #valid[0 := 0]; {7417#true} is VALID [2020-07-08 22:26:30,824 INFO L280 TraceCheckUtils]: 2: Hoare triple {7417#true} assume 0 < #StackHeapBarrier; {7417#true} is VALID [2020-07-08 22:26:30,824 INFO L280 TraceCheckUtils]: 3: Hoare triple {7417#true} assume true; {7417#true} is VALID [2020-07-08 22:26:30,824 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7417#true} {7417#true} #188#return; {7417#true} is VALID [2020-07-08 22:26:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:31,236 INFO L280 TraceCheckUtils]: 0: Hoare triple {7534#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {7417#true} is VALID [2020-07-08 22:26:31,236 INFO L280 TraceCheckUtils]: 1: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := 0, 0; {7417#true} is VALID [2020-07-08 22:26:31,237 INFO L280 TraceCheckUtils]: 2: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,237 INFO L280 TraceCheckUtils]: 3: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7417#true} is VALID [2020-07-08 22:26:31,238 INFO L280 TraceCheckUtils]: 4: Hoare triple {7417#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7417#true} is VALID [2020-07-08 22:26:31,238 INFO L280 TraceCheckUtils]: 5: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-08 22:26:31,239 INFO L280 TraceCheckUtils]: 6: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7417#true} is VALID [2020-07-08 22:26:31,239 INFO L280 TraceCheckUtils]: 7: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7417#true} is VALID [2020-07-08 22:26:31,239 INFO L280 TraceCheckUtils]: 8: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-08 22:26:31,239 INFO L280 TraceCheckUtils]: 9: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-08 22:26:31,240 INFO L280 TraceCheckUtils]: 10: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-08 22:26:31,240 INFO L280 TraceCheckUtils]: 11: Hoare triple {7417#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7417#true} is VALID [2020-07-08 22:26:31,240 INFO L280 TraceCheckUtils]: 12: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-08 22:26:31,240 INFO L280 TraceCheckUtils]: 13: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-08 22:26:31,241 INFO L280 TraceCheckUtils]: 14: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-08 22:26:31,241 INFO L280 TraceCheckUtils]: 15: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-08 22:26:31,241 INFO L280 TraceCheckUtils]: 16: Hoare triple {7417#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {7417#true} is VALID [2020-07-08 22:26:31,241 INFO L280 TraceCheckUtils]: 17: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7417#true} is VALID [2020-07-08 22:26:31,242 INFO L280 TraceCheckUtils]: 18: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-08 22:26:31,242 INFO L280 TraceCheckUtils]: 19: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-08 22:26:31,242 INFO L280 TraceCheckUtils]: 20: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-08 22:26:31,242 INFO L280 TraceCheckUtils]: 21: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,243 INFO L280 TraceCheckUtils]: 22: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7417#true} is VALID [2020-07-08 22:26:31,243 INFO L280 TraceCheckUtils]: 23: Hoare triple {7417#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7417#true} is VALID [2020-07-08 22:26:31,243 INFO L280 TraceCheckUtils]: 24: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-08 22:26:31,243 INFO L280 TraceCheckUtils]: 25: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7417#true} is VALID [2020-07-08 22:26:31,243 INFO L280 TraceCheckUtils]: 26: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7417#true} is VALID [2020-07-08 22:26:31,243 INFO L280 TraceCheckUtils]: 27: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-08 22:26:31,244 INFO L280 TraceCheckUtils]: 28: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-08 22:26:31,244 INFO L280 TraceCheckUtils]: 29: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-08 22:26:31,244 INFO L280 TraceCheckUtils]: 30: Hoare triple {7417#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7417#true} is VALID [2020-07-08 22:26:31,244 INFO L280 TraceCheckUtils]: 31: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-08 22:26:31,244 INFO L280 TraceCheckUtils]: 32: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-08 22:26:31,245 INFO L280 TraceCheckUtils]: 33: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-08 22:26:31,245 INFO L280 TraceCheckUtils]: 34: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-08 22:26:31,245 INFO L280 TraceCheckUtils]: 35: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-08 22:26:31,245 INFO L280 TraceCheckUtils]: 36: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-08 22:26:31,245 INFO L280 TraceCheckUtils]: 37: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7417#true} is VALID [2020-07-08 22:26:31,246 INFO L280 TraceCheckUtils]: 38: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-08 22:26:31,246 INFO L280 TraceCheckUtils]: 39: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-08 22:26:31,246 INFO L280 TraceCheckUtils]: 40: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-08 22:26:31,246 INFO L280 TraceCheckUtils]: 41: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,246 INFO L280 TraceCheckUtils]: 42: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7417#true} is VALID [2020-07-08 22:26:31,247 INFO L280 TraceCheckUtils]: 43: Hoare triple {7417#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7417#true} is VALID [2020-07-08 22:26:31,247 INFO L280 TraceCheckUtils]: 44: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-08 22:26:31,247 INFO L280 TraceCheckUtils]: 45: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7417#true} is VALID [2020-07-08 22:26:31,247 INFO L280 TraceCheckUtils]: 46: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7417#true} is VALID [2020-07-08 22:26:31,247 INFO L280 TraceCheckUtils]: 47: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-08 22:26:31,248 INFO L280 TraceCheckUtils]: 48: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-08 22:26:31,248 INFO L280 TraceCheckUtils]: 49: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-08 22:26:31,248 INFO L280 TraceCheckUtils]: 50: Hoare triple {7417#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7417#true} is VALID [2020-07-08 22:26:31,248 INFO L280 TraceCheckUtils]: 51: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-08 22:26:31,248 INFO L280 TraceCheckUtils]: 52: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-08 22:26:31,249 INFO L280 TraceCheckUtils]: 53: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-08 22:26:31,249 INFO L280 TraceCheckUtils]: 54: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-08 22:26:31,249 INFO L280 TraceCheckUtils]: 55: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-08 22:26:31,249 INFO L280 TraceCheckUtils]: 56: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-08 22:26:31,249 INFO L280 TraceCheckUtils]: 57: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7417#true} is VALID [2020-07-08 22:26:31,249 INFO L280 TraceCheckUtils]: 58: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-08 22:26:31,250 INFO L280 TraceCheckUtils]: 59: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-08 22:26:31,250 INFO L280 TraceCheckUtils]: 60: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-08 22:26:31,250 INFO L280 TraceCheckUtils]: 61: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,258 INFO L280 TraceCheckUtils]: 62: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7535#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:31,258 INFO L280 TraceCheckUtils]: 63: Hoare triple {7535#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,259 INFO L280 TraceCheckUtils]: 64: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,260 INFO L280 TraceCheckUtils]: 65: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,260 INFO L280 TraceCheckUtils]: 66: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,261 INFO L280 TraceCheckUtils]: 67: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,262 INFO L280 TraceCheckUtils]: 68: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,262 INFO L280 TraceCheckUtils]: 69: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} #t~ite4 := 1; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,263 INFO L280 TraceCheckUtils]: 70: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,264 INFO L280 TraceCheckUtils]: 71: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~nondet3; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,264 INFO L280 TraceCheckUtils]: 72: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~ite4; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,265 INFO L280 TraceCheckUtils]: 73: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,265 INFO L280 TraceCheckUtils]: 74: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,266 INFO L280 TraceCheckUtils]: 75: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,267 INFO L280 TraceCheckUtils]: 76: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,268 INFO L280 TraceCheckUtils]: 77: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,268 INFO L280 TraceCheckUtils]: 78: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} #t~post5 := ~len; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,269 INFO L280 TraceCheckUtils]: 79: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} ~len := #t~post5 - 1; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,270 INFO L280 TraceCheckUtils]: 80: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} havoc #t~post5; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,270 INFO L280 TraceCheckUtils]: 81: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} assume !!(~len > 0); {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,271 INFO L280 TraceCheckUtils]: 82: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7538#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} is VALID [2020-07-08 22:26:31,272 INFO L280 TraceCheckUtils]: 83: Hoare triple {7538#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:31,273 INFO L280 TraceCheckUtils]: 84: Hoare triple {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:31,275 INFO L280 TraceCheckUtils]: 85: Hoare triple {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,276 INFO L280 TraceCheckUtils]: 86: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,315 INFO L280 TraceCheckUtils]: 87: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,316 INFO L280 TraceCheckUtils]: 88: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume #t~nondet3 == ~len; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,317 INFO L280 TraceCheckUtils]: 89: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} #t~ite4 := 1; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,319 INFO L280 TraceCheckUtils]: 90: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,320 INFO L280 TraceCheckUtils]: 91: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~nondet3; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,321 INFO L280 TraceCheckUtils]: 92: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~ite4; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,323 INFO L280 TraceCheckUtils]: 93: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,324 INFO L280 TraceCheckUtils]: 94: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,325 INFO L280 TraceCheckUtils]: 95: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,327 INFO L280 TraceCheckUtils]: 96: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7541#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} is VALID [2020-07-08 22:26:31,327 INFO L280 TraceCheckUtils]: 97: Hoare triple {7541#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,328 INFO L280 TraceCheckUtils]: 98: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #t~post5 := ~len; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,329 INFO L280 TraceCheckUtils]: 99: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} ~len := #t~post5 - 1; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,329 INFO L280 TraceCheckUtils]: 100: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} havoc #t~post5; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,331 INFO L280 TraceCheckUtils]: 101: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} assume !(~len > 0); {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,331 INFO L280 TraceCheckUtils]: 102: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:31,332 INFO L280 TraceCheckUtils]: 103: Hoare triple {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} assume true; {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:31,333 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} {7417#true} #184#return; {7529#(= 0 (select (select |#memory_int| |main_#t~ret6.base|) |main_#t~ret6.offset|))} is VALID [2020-07-08 22:26:31,355 INFO L263 TraceCheckUtils]: 0: Hoare triple {7417#true} call ULTIMATE.init(); {7533#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:31,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {7533#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {7417#true} is VALID [2020-07-08 22:26:31,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {7417#true} #valid := #valid[0 := 0]; {7417#true} is VALID [2020-07-08 22:26:31,356 INFO L280 TraceCheckUtils]: 3: Hoare triple {7417#true} assume 0 < #StackHeapBarrier; {7417#true} is VALID [2020-07-08 22:26:31,356 INFO L280 TraceCheckUtils]: 4: Hoare triple {7417#true} assume true; {7417#true} is VALID [2020-07-08 22:26:31,356 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7417#true} {7417#true} #188#return; {7417#true} is VALID [2020-07-08 22:26:31,356 INFO L263 TraceCheckUtils]: 6: Hoare triple {7417#true} call #t~ret20 := main(); {7417#true} is VALID [2020-07-08 22:26:31,356 INFO L280 TraceCheckUtils]: 7: Hoare triple {7417#true} ~len~0 := 5; {7417#true} is VALID [2020-07-08 22:26:31,358 INFO L263 TraceCheckUtils]: 8: Hoare triple {7417#true} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {7534#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:31,358 INFO L280 TraceCheckUtils]: 9: Hoare triple {7534#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {7417#true} is VALID [2020-07-08 22:26:31,358 INFO L280 TraceCheckUtils]: 10: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := 0, 0; {7417#true} is VALID [2020-07-08 22:26:31,358 INFO L280 TraceCheckUtils]: 11: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,358 INFO L280 TraceCheckUtils]: 12: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7417#true} is VALID [2020-07-08 22:26:31,359 INFO L280 TraceCheckUtils]: 13: Hoare triple {7417#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7417#true} is VALID [2020-07-08 22:26:31,359 INFO L280 TraceCheckUtils]: 14: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-08 22:26:31,359 INFO L280 TraceCheckUtils]: 15: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7417#true} is VALID [2020-07-08 22:26:31,359 INFO L280 TraceCheckUtils]: 16: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7417#true} is VALID [2020-07-08 22:26:31,359 INFO L280 TraceCheckUtils]: 17: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-08 22:26:31,359 INFO L280 TraceCheckUtils]: 18: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-08 22:26:31,360 INFO L280 TraceCheckUtils]: 19: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-08 22:26:31,360 INFO L280 TraceCheckUtils]: 20: Hoare triple {7417#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7417#true} is VALID [2020-07-08 22:26:31,360 INFO L280 TraceCheckUtils]: 21: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-08 22:26:31,360 INFO L280 TraceCheckUtils]: 22: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-08 22:26:31,360 INFO L280 TraceCheckUtils]: 23: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-08 22:26:31,360 INFO L280 TraceCheckUtils]: 24: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-08 22:26:31,361 INFO L280 TraceCheckUtils]: 25: Hoare triple {7417#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {7417#true} is VALID [2020-07-08 22:26:31,361 INFO L280 TraceCheckUtils]: 26: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7417#true} is VALID [2020-07-08 22:26:31,361 INFO L280 TraceCheckUtils]: 27: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-08 22:26:31,361 INFO L280 TraceCheckUtils]: 28: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-08 22:26:31,361 INFO L280 TraceCheckUtils]: 29: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-08 22:26:31,361 INFO L280 TraceCheckUtils]: 30: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,362 INFO L280 TraceCheckUtils]: 31: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7417#true} is VALID [2020-07-08 22:26:31,362 INFO L280 TraceCheckUtils]: 32: Hoare triple {7417#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7417#true} is VALID [2020-07-08 22:26:31,362 INFO L280 TraceCheckUtils]: 33: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-08 22:26:31,362 INFO L280 TraceCheckUtils]: 34: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7417#true} is VALID [2020-07-08 22:26:31,362 INFO L280 TraceCheckUtils]: 35: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7417#true} is VALID [2020-07-08 22:26:31,362 INFO L280 TraceCheckUtils]: 36: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-08 22:26:31,363 INFO L280 TraceCheckUtils]: 37: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-08 22:26:31,363 INFO L280 TraceCheckUtils]: 38: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-08 22:26:31,363 INFO L280 TraceCheckUtils]: 39: Hoare triple {7417#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7417#true} is VALID [2020-07-08 22:26:31,363 INFO L280 TraceCheckUtils]: 40: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-08 22:26:31,363 INFO L280 TraceCheckUtils]: 41: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-08 22:26:31,363 INFO L280 TraceCheckUtils]: 42: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-08 22:26:31,364 INFO L280 TraceCheckUtils]: 43: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-08 22:26:31,364 INFO L280 TraceCheckUtils]: 44: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-08 22:26:31,364 INFO L280 TraceCheckUtils]: 45: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-08 22:26:31,364 INFO L280 TraceCheckUtils]: 46: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7417#true} is VALID [2020-07-08 22:26:31,364 INFO L280 TraceCheckUtils]: 47: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-08 22:26:31,365 INFO L280 TraceCheckUtils]: 48: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-08 22:26:31,365 INFO L280 TraceCheckUtils]: 49: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-08 22:26:31,365 INFO L280 TraceCheckUtils]: 50: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,365 INFO L280 TraceCheckUtils]: 51: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7417#true} is VALID [2020-07-08 22:26:31,365 INFO L280 TraceCheckUtils]: 52: Hoare triple {7417#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7417#true} is VALID [2020-07-08 22:26:31,365 INFO L280 TraceCheckUtils]: 53: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-08 22:26:31,366 INFO L280 TraceCheckUtils]: 54: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7417#true} is VALID [2020-07-08 22:26:31,366 INFO L280 TraceCheckUtils]: 55: Hoare triple {7417#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7417#true} is VALID [2020-07-08 22:26:31,366 INFO L280 TraceCheckUtils]: 56: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-08 22:26:31,366 INFO L280 TraceCheckUtils]: 57: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-08 22:26:31,366 INFO L280 TraceCheckUtils]: 58: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-08 22:26:31,367 INFO L280 TraceCheckUtils]: 59: Hoare triple {7417#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7417#true} is VALID [2020-07-08 22:26:31,367 INFO L280 TraceCheckUtils]: 60: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-08 22:26:31,367 INFO L280 TraceCheckUtils]: 61: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-08 22:26:31,367 INFO L280 TraceCheckUtils]: 62: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-08 22:26:31,367 INFO L280 TraceCheckUtils]: 63: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-08 22:26:31,367 INFO L280 TraceCheckUtils]: 64: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-08 22:26:31,368 INFO L280 TraceCheckUtils]: 65: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-08 22:26:31,368 INFO L280 TraceCheckUtils]: 66: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7417#true} is VALID [2020-07-08 22:26:31,368 INFO L280 TraceCheckUtils]: 67: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-08 22:26:31,368 INFO L280 TraceCheckUtils]: 68: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-08 22:26:31,368 INFO L280 TraceCheckUtils]: 69: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-08 22:26:31,368 INFO L280 TraceCheckUtils]: 70: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-08 22:26:31,370 INFO L280 TraceCheckUtils]: 71: Hoare triple {7417#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7535#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:31,371 INFO L280 TraceCheckUtils]: 72: Hoare triple {7535#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,372 INFO L280 TraceCheckUtils]: 73: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,372 INFO L280 TraceCheckUtils]: 74: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,373 INFO L280 TraceCheckUtils]: 75: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,374 INFO L280 TraceCheckUtils]: 76: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,374 INFO L280 TraceCheckUtils]: 77: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,375 INFO L280 TraceCheckUtils]: 78: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} #t~ite4 := 1; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,375 INFO L280 TraceCheckUtils]: 79: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,376 INFO L280 TraceCheckUtils]: 80: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~nondet3; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,377 INFO L280 TraceCheckUtils]: 81: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~ite4; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,377 INFO L280 TraceCheckUtils]: 82: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,378 INFO L280 TraceCheckUtils]: 83: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,378 INFO L280 TraceCheckUtils]: 84: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,379 INFO L280 TraceCheckUtils]: 85: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:31,380 INFO L280 TraceCheckUtils]: 86: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,380 INFO L280 TraceCheckUtils]: 87: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} #t~post5 := ~len; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,381 INFO L280 TraceCheckUtils]: 88: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} ~len := #t~post5 - 1; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,382 INFO L280 TraceCheckUtils]: 89: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} havoc #t~post5; {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,382 INFO L280 TraceCheckUtils]: 90: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} assume !!(~len > 0); {7537#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:31,383 INFO L280 TraceCheckUtils]: 91: Hoare triple {7537#(= (select |#valid| dll_create_~head~0.base) 1)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {7538#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} is VALID [2020-07-08 22:26:31,384 INFO L280 TraceCheckUtils]: 92: Hoare triple {7538#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:31,384 INFO L280 TraceCheckUtils]: 93: Hoare triple {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:31,386 INFO L280 TraceCheckUtils]: 94: Hoare triple {7539#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,387 INFO L280 TraceCheckUtils]: 95: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,388 INFO L280 TraceCheckUtils]: 96: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,389 INFO L280 TraceCheckUtils]: 97: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume #t~nondet3 == ~len; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,390 INFO L280 TraceCheckUtils]: 98: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} #t~ite4 := 1; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,391 INFO L280 TraceCheckUtils]: 99: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,392 INFO L280 TraceCheckUtils]: 100: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~nondet3; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,393 INFO L280 TraceCheckUtils]: 101: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~ite4; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,394 INFO L280 TraceCheckUtils]: 102: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,396 INFO L280 TraceCheckUtils]: 103: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,397 INFO L280 TraceCheckUtils]: 104: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:31,398 INFO L280 TraceCheckUtils]: 105: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7541#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} is VALID [2020-07-08 22:26:31,399 INFO L280 TraceCheckUtils]: 106: Hoare triple {7541#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,400 INFO L280 TraceCheckUtils]: 107: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #t~post5 := ~len; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,400 INFO L280 TraceCheckUtils]: 108: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} ~len := #t~post5 - 1; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,401 INFO L280 TraceCheckUtils]: 109: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} havoc #t~post5; {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,401 INFO L280 TraceCheckUtils]: 110: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} assume !(~len > 0); {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:31,402 INFO L280 TraceCheckUtils]: 111: Hoare triple {7542#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:31,403 INFO L280 TraceCheckUtils]: 112: Hoare triple {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} assume true; {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:31,404 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {7543#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} {7417#true} #184#return; {7529#(= 0 (select (select |#memory_int| |main_#t~ret6.base|) |main_#t~ret6.offset|))} is VALID [2020-07-08 22:26:31,405 INFO L280 TraceCheckUtils]: 114: Hoare triple {7529#(= 0 (select (select |#memory_int| |main_#t~ret6.base|) |main_#t~ret6.offset|))} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:31,405 INFO L280 TraceCheckUtils]: 115: Hoare triple {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} havoc #t~ret6.base, #t~ret6.offset; {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:31,406 INFO L280 TraceCheckUtils]: 116: Hoare triple {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:31,407 INFO L280 TraceCheckUtils]: 117: Hoare triple {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:31,407 INFO L280 TraceCheckUtils]: 118: Hoare triple {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} havoc #t~mem13.base, #t~mem13.offset; {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:31,408 INFO L280 TraceCheckUtils]: 119: Hoare triple {7530#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {7531#(= 0 |main_#t~mem7|)} is VALID [2020-07-08 22:26:31,409 INFO L280 TraceCheckUtils]: 120: Hoare triple {7531#(= 0 |main_#t~mem7|)} #t~short9 := 0 != #t~mem7; {7532#(not |main_#t~short9|)} is VALID [2020-07-08 22:26:31,409 INFO L280 TraceCheckUtils]: 121: Hoare triple {7532#(not |main_#t~short9|)} assume #t~short9; {7418#false} is VALID [2020-07-08 22:26:31,409 INFO L280 TraceCheckUtils]: 122: Hoare triple {7418#false} #t~short11 := #t~short9; {7418#false} is VALID [2020-07-08 22:26:31,410 INFO L280 TraceCheckUtils]: 123: Hoare triple {7418#false} assume #t~short11; {7418#false} is VALID [2020-07-08 22:26:31,410 INFO L280 TraceCheckUtils]: 124: Hoare triple {7418#false} assume #t~short11; {7418#false} is VALID [2020-07-08 22:26:31,410 INFO L280 TraceCheckUtils]: 125: Hoare triple {7418#false} havoc #t~mem8; {7418#false} is VALID [2020-07-08 22:26:31,410 INFO L280 TraceCheckUtils]: 126: Hoare triple {7418#false} havoc #t~short9; {7418#false} is VALID [2020-07-08 22:26:31,410 INFO L280 TraceCheckUtils]: 127: Hoare triple {7418#false} havoc #t~short11; {7418#false} is VALID [2020-07-08 22:26:31,411 INFO L280 TraceCheckUtils]: 128: Hoare triple {7418#false} havoc #t~mem7; {7418#false} is VALID [2020-07-08 22:26:31,411 INFO L280 TraceCheckUtils]: 129: Hoare triple {7418#false} havoc #t~mem10; {7418#false} is VALID [2020-07-08 22:26:31,411 INFO L280 TraceCheckUtils]: 130: Hoare triple {7418#false} assume !false; {7418#false} is VALID [2020-07-08 22:26:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-08 22:26:31,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856590630] [2020-07-08 22:26:31,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:31,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-08 22:26:31,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654851713] [2020-07-08 22:26:31,431 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 131 [2020-07-08 22:26:31,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:31,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-08 22:26:31,548 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:31,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-08 22:26:31,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:31,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-08 22:26:31,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-07-08 22:26:31,549 INFO L87 Difference]: Start difference. First operand 177 states and 190 transitions. Second operand 17 states. [2020-07-08 22:26:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:35,287 INFO L93 Difference]: Finished difference Result 308 states and 334 transitions. [2020-07-08 22:26:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-08 22:26:35,287 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 131 [2020-07-08 22:26:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-08 22:26:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 264 transitions. [2020-07-08 22:26:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-08 22:26:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 264 transitions. [2020-07-08 22:26:35,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 264 transitions. [2020-07-08 22:26:35,598 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 264 edges. 264 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:35,605 INFO L225 Difference]: With dead ends: 308 [2020-07-08 22:26:35,606 INFO L226 Difference]: Without dead ends: 253 [2020-07-08 22:26:35,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 9 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2020-07-08 22:26:35,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-08 22:26:36,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 183. [2020-07-08 22:26:36,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:36,210 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 183 states. [2020-07-08 22:26:36,210 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 183 states. [2020-07-08 22:26:36,210 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 183 states. [2020-07-08 22:26:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:36,218 INFO L93 Difference]: Finished difference Result 253 states and 272 transitions. [2020-07-08 22:26:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 272 transitions. [2020-07-08 22:26:36,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:36,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:36,219 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 253 states. [2020-07-08 22:26:36,219 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 253 states. [2020-07-08 22:26:36,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:36,226 INFO L93 Difference]: Finished difference Result 253 states and 272 transitions. [2020-07-08 22:26:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 272 transitions. [2020-07-08 22:26:36,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:36,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:36,228 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:36,228 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-07-08 22:26:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 197 transitions. [2020-07-08 22:26:36,232 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 197 transitions. Word has length 131 [2020-07-08 22:26:36,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:36,233 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 197 transitions. [2020-07-08 22:26:36,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-08 22:26:36,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 183 states and 197 transitions. [2020-07-08 22:26:36,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:36,676 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 197 transitions. [2020-07-08 22:26:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-08 22:26:36,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:36,678 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:36,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 22:26:36,678 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:36,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1200683152, now seen corresponding path program 1 times [2020-07-08 22:26:36,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:36,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759378702] [2020-07-08 22:26:36,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:37,011 INFO L280 TraceCheckUtils]: 0: Hoare triple {9186#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9069#true} is VALID [2020-07-08 22:26:37,011 INFO L280 TraceCheckUtils]: 1: Hoare triple {9069#true} #valid := #valid[0 := 0]; {9069#true} is VALID [2020-07-08 22:26:37,011 INFO L280 TraceCheckUtils]: 2: Hoare triple {9069#true} assume 0 < #StackHeapBarrier; {9069#true} is VALID [2020-07-08 22:26:37,012 INFO L280 TraceCheckUtils]: 3: Hoare triple {9069#true} assume true; {9069#true} is VALID [2020-07-08 22:26:37,012 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9069#true} {9069#true} #188#return; {9069#true} is VALID [2020-07-08 22:26:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:37,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {9187#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {9069#true} is VALID [2020-07-08 22:26:37,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := 0, 0; {9069#true} is VALID [2020-07-08 22:26:37,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,519 INFO L280 TraceCheckUtils]: 3: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9069#true} is VALID [2020-07-08 22:26:37,519 INFO L280 TraceCheckUtils]: 4: Hoare triple {9069#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9069#true} is VALID [2020-07-08 22:26:37,520 INFO L280 TraceCheckUtils]: 5: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-08 22:26:37,520 INFO L280 TraceCheckUtils]: 6: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9069#true} is VALID [2020-07-08 22:26:37,520 INFO L280 TraceCheckUtils]: 7: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9069#true} is VALID [2020-07-08 22:26:37,521 INFO L280 TraceCheckUtils]: 8: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-08 22:26:37,521 INFO L280 TraceCheckUtils]: 9: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-08 22:26:37,521 INFO L280 TraceCheckUtils]: 10: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-08 22:26:37,521 INFO L280 TraceCheckUtils]: 11: Hoare triple {9069#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9069#true} is VALID [2020-07-08 22:26:37,522 INFO L280 TraceCheckUtils]: 12: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-08 22:26:37,522 INFO L280 TraceCheckUtils]: 13: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-08 22:26:37,522 INFO L280 TraceCheckUtils]: 14: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-08 22:26:37,523 INFO L280 TraceCheckUtils]: 15: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-08 22:26:37,523 INFO L280 TraceCheckUtils]: 16: Hoare triple {9069#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {9069#true} is VALID [2020-07-08 22:26:37,523 INFO L280 TraceCheckUtils]: 17: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9069#true} is VALID [2020-07-08 22:26:37,524 INFO L280 TraceCheckUtils]: 18: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-08 22:26:37,524 INFO L280 TraceCheckUtils]: 19: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-08 22:26:37,524 INFO L280 TraceCheckUtils]: 20: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-08 22:26:37,524 INFO L280 TraceCheckUtils]: 21: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,525 INFO L280 TraceCheckUtils]: 22: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9069#true} is VALID [2020-07-08 22:26:37,525 INFO L280 TraceCheckUtils]: 23: Hoare triple {9069#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9069#true} is VALID [2020-07-08 22:26:37,525 INFO L280 TraceCheckUtils]: 24: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-08 22:26:37,526 INFO L280 TraceCheckUtils]: 25: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9069#true} is VALID [2020-07-08 22:26:37,526 INFO L280 TraceCheckUtils]: 26: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9069#true} is VALID [2020-07-08 22:26:37,526 INFO L280 TraceCheckUtils]: 27: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-08 22:26:37,527 INFO L280 TraceCheckUtils]: 28: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-08 22:26:37,527 INFO L280 TraceCheckUtils]: 29: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-08 22:26:37,527 INFO L280 TraceCheckUtils]: 30: Hoare triple {9069#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9069#true} is VALID [2020-07-08 22:26:37,528 INFO L280 TraceCheckUtils]: 31: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-08 22:26:37,528 INFO L280 TraceCheckUtils]: 32: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-08 22:26:37,528 INFO L280 TraceCheckUtils]: 33: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-08 22:26:37,528 INFO L280 TraceCheckUtils]: 34: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-08 22:26:37,529 INFO L280 TraceCheckUtils]: 35: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-08 22:26:37,529 INFO L280 TraceCheckUtils]: 36: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-08 22:26:37,529 INFO L280 TraceCheckUtils]: 37: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9069#true} is VALID [2020-07-08 22:26:37,530 INFO L280 TraceCheckUtils]: 38: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-08 22:26:37,530 INFO L280 TraceCheckUtils]: 39: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-08 22:26:37,530 INFO L280 TraceCheckUtils]: 40: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-08 22:26:37,531 INFO L280 TraceCheckUtils]: 41: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,531 INFO L280 TraceCheckUtils]: 42: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9069#true} is VALID [2020-07-08 22:26:37,531 INFO L280 TraceCheckUtils]: 43: Hoare triple {9069#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9069#true} is VALID [2020-07-08 22:26:37,532 INFO L280 TraceCheckUtils]: 44: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-08 22:26:37,532 INFO L280 TraceCheckUtils]: 45: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9069#true} is VALID [2020-07-08 22:26:37,533 INFO L280 TraceCheckUtils]: 46: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9069#true} is VALID [2020-07-08 22:26:37,534 INFO L280 TraceCheckUtils]: 47: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-08 22:26:37,534 INFO L280 TraceCheckUtils]: 48: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-08 22:26:37,534 INFO L280 TraceCheckUtils]: 49: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-08 22:26:37,535 INFO L280 TraceCheckUtils]: 50: Hoare triple {9069#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9069#true} is VALID [2020-07-08 22:26:37,535 INFO L280 TraceCheckUtils]: 51: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-08 22:26:37,535 INFO L280 TraceCheckUtils]: 52: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-08 22:26:37,536 INFO L280 TraceCheckUtils]: 53: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-08 22:26:37,536 INFO L280 TraceCheckUtils]: 54: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-08 22:26:37,536 INFO L280 TraceCheckUtils]: 55: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-08 22:26:37,537 INFO L280 TraceCheckUtils]: 56: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-08 22:26:37,537 INFO L280 TraceCheckUtils]: 57: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9069#true} is VALID [2020-07-08 22:26:37,537 INFO L280 TraceCheckUtils]: 58: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-08 22:26:37,538 INFO L280 TraceCheckUtils]: 59: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-08 22:26:37,538 INFO L280 TraceCheckUtils]: 60: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-08 22:26:37,538 INFO L280 TraceCheckUtils]: 61: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,540 INFO L280 TraceCheckUtils]: 62: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9188#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:37,541 INFO L280 TraceCheckUtils]: 63: Hoare triple {9188#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,542 INFO L280 TraceCheckUtils]: 64: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,543 INFO L280 TraceCheckUtils]: 65: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,544 INFO L280 TraceCheckUtils]: 66: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,545 INFO L280 TraceCheckUtils]: 67: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,546 INFO L280 TraceCheckUtils]: 68: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,547 INFO L280 TraceCheckUtils]: 69: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} #t~ite4 := 1; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,547 INFO L280 TraceCheckUtils]: 70: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,548 INFO L280 TraceCheckUtils]: 71: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~nondet3; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,549 INFO L280 TraceCheckUtils]: 72: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~ite4; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,550 INFO L280 TraceCheckUtils]: 73: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,551 INFO L280 TraceCheckUtils]: 74: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,552 INFO L280 TraceCheckUtils]: 75: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,553 INFO L280 TraceCheckUtils]: 76: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,554 INFO L280 TraceCheckUtils]: 77: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,555 INFO L280 TraceCheckUtils]: 78: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} #t~post5 := ~len; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,556 INFO L280 TraceCheckUtils]: 79: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} ~len := #t~post5 - 1; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,557 INFO L280 TraceCheckUtils]: 80: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} havoc #t~post5; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,557 INFO L280 TraceCheckUtils]: 81: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} assume !!(~len > 0); {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,559 INFO L280 TraceCheckUtils]: 82: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9191#(and (not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base)) (= 0 |dll_create_#t~malloc2.offset|))} is VALID [2020-07-08 22:26:37,560 INFO L280 TraceCheckUtils]: 83: Hoare triple {9191#(and (not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base)) (= 0 |dll_create_#t~malloc2.offset|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,561 INFO L280 TraceCheckUtils]: 84: Hoare triple {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,563 INFO L280 TraceCheckUtils]: 85: Hoare triple {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,565 INFO L280 TraceCheckUtils]: 86: Hoare triple {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,566 INFO L280 TraceCheckUtils]: 87: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,567 INFO L280 TraceCheckUtils]: 88: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume #t~nondet3 == ~len; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,569 INFO L280 TraceCheckUtils]: 89: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} #t~ite4 := 1; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,571 INFO L280 TraceCheckUtils]: 90: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,572 INFO L280 TraceCheckUtils]: 91: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~nondet3; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,573 INFO L280 TraceCheckUtils]: 92: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~ite4; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,575 INFO L280 TraceCheckUtils]: 93: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,578 INFO L280 TraceCheckUtils]: 94: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,579 INFO L280 TraceCheckUtils]: 95: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,581 INFO L280 TraceCheckUtils]: 96: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9194#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset))} is VALID [2020-07-08 22:26:37,582 INFO L280 TraceCheckUtils]: 97: Hoare triple {9194#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,584 INFO L280 TraceCheckUtils]: 98: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} #t~post5 := ~len; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,585 INFO L280 TraceCheckUtils]: 99: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} ~len := #t~post5 - 1; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,586 INFO L280 TraceCheckUtils]: 100: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} havoc #t~post5; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,587 INFO L280 TraceCheckUtils]: 101: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} assume !(~len > 0); {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,588 INFO L280 TraceCheckUtils]: 102: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:37,589 INFO L280 TraceCheckUtils]: 103: Hoare triple {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} assume true; {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:37,592 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} {9069#true} #184#return; {9181#(and (= 0 (select (select |#memory_int| |main_#t~ret6.base|) 8)) (= 0 |main_#t~ret6.offset|))} is VALID [2020-07-08 22:26:37,622 INFO L263 TraceCheckUtils]: 0: Hoare triple {9069#true} call ULTIMATE.init(); {9186#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:37,623 INFO L280 TraceCheckUtils]: 1: Hoare triple {9186#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9069#true} is VALID [2020-07-08 22:26:37,623 INFO L280 TraceCheckUtils]: 2: Hoare triple {9069#true} #valid := #valid[0 := 0]; {9069#true} is VALID [2020-07-08 22:26:37,623 INFO L280 TraceCheckUtils]: 3: Hoare triple {9069#true} assume 0 < #StackHeapBarrier; {9069#true} is VALID [2020-07-08 22:26:37,623 INFO L280 TraceCheckUtils]: 4: Hoare triple {9069#true} assume true; {9069#true} is VALID [2020-07-08 22:26:37,624 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9069#true} {9069#true} #188#return; {9069#true} is VALID [2020-07-08 22:26:37,624 INFO L263 TraceCheckUtils]: 6: Hoare triple {9069#true} call #t~ret20 := main(); {9069#true} is VALID [2020-07-08 22:26:37,624 INFO L280 TraceCheckUtils]: 7: Hoare triple {9069#true} ~len~0 := 5; {9069#true} is VALID [2020-07-08 22:26:37,626 INFO L263 TraceCheckUtils]: 8: Hoare triple {9069#true} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {9187#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:37,626 INFO L280 TraceCheckUtils]: 9: Hoare triple {9187#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {9069#true} is VALID [2020-07-08 22:26:37,626 INFO L280 TraceCheckUtils]: 10: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := 0, 0; {9069#true} is VALID [2020-07-08 22:26:37,627 INFO L280 TraceCheckUtils]: 11: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,627 INFO L280 TraceCheckUtils]: 12: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9069#true} is VALID [2020-07-08 22:26:37,627 INFO L280 TraceCheckUtils]: 13: Hoare triple {9069#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9069#true} is VALID [2020-07-08 22:26:37,627 INFO L280 TraceCheckUtils]: 14: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-08 22:26:37,628 INFO L280 TraceCheckUtils]: 15: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9069#true} is VALID [2020-07-08 22:26:37,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9069#true} is VALID [2020-07-08 22:26:37,628 INFO L280 TraceCheckUtils]: 17: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-08 22:26:37,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-08 22:26:37,629 INFO L280 TraceCheckUtils]: 19: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-08 22:26:37,629 INFO L280 TraceCheckUtils]: 20: Hoare triple {9069#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9069#true} is VALID [2020-07-08 22:26:37,629 INFO L280 TraceCheckUtils]: 21: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-08 22:26:37,630 INFO L280 TraceCheckUtils]: 22: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-08 22:26:37,630 INFO L280 TraceCheckUtils]: 23: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-08 22:26:37,630 INFO L280 TraceCheckUtils]: 24: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-08 22:26:37,631 INFO L280 TraceCheckUtils]: 25: Hoare triple {9069#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {9069#true} is VALID [2020-07-08 22:26:37,631 INFO L280 TraceCheckUtils]: 26: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9069#true} is VALID [2020-07-08 22:26:37,631 INFO L280 TraceCheckUtils]: 27: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-08 22:26:37,631 INFO L280 TraceCheckUtils]: 28: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-08 22:26:37,632 INFO L280 TraceCheckUtils]: 29: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-08 22:26:37,632 INFO L280 TraceCheckUtils]: 30: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,632 INFO L280 TraceCheckUtils]: 31: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9069#true} is VALID [2020-07-08 22:26:37,633 INFO L280 TraceCheckUtils]: 32: Hoare triple {9069#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9069#true} is VALID [2020-07-08 22:26:37,633 INFO L280 TraceCheckUtils]: 33: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-08 22:26:37,633 INFO L280 TraceCheckUtils]: 34: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9069#true} is VALID [2020-07-08 22:26:37,633 INFO L280 TraceCheckUtils]: 35: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9069#true} is VALID [2020-07-08 22:26:37,634 INFO L280 TraceCheckUtils]: 36: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-08 22:26:37,634 INFO L280 TraceCheckUtils]: 37: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-08 22:26:37,634 INFO L280 TraceCheckUtils]: 38: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-08 22:26:37,634 INFO L280 TraceCheckUtils]: 39: Hoare triple {9069#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9069#true} is VALID [2020-07-08 22:26:37,635 INFO L280 TraceCheckUtils]: 40: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-08 22:26:37,635 INFO L280 TraceCheckUtils]: 41: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-08 22:26:37,635 INFO L280 TraceCheckUtils]: 42: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-08 22:26:37,635 INFO L280 TraceCheckUtils]: 43: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-08 22:26:37,635 INFO L280 TraceCheckUtils]: 44: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-08 22:26:37,636 INFO L280 TraceCheckUtils]: 45: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-08 22:26:37,636 INFO L280 TraceCheckUtils]: 46: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9069#true} is VALID [2020-07-08 22:26:37,636 INFO L280 TraceCheckUtils]: 47: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-08 22:26:37,636 INFO L280 TraceCheckUtils]: 48: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-08 22:26:37,637 INFO L280 TraceCheckUtils]: 49: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-08 22:26:37,637 INFO L280 TraceCheckUtils]: 50: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,637 INFO L280 TraceCheckUtils]: 51: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9069#true} is VALID [2020-07-08 22:26:37,637 INFO L280 TraceCheckUtils]: 52: Hoare triple {9069#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9069#true} is VALID [2020-07-08 22:26:37,638 INFO L280 TraceCheckUtils]: 53: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-08 22:26:37,638 INFO L280 TraceCheckUtils]: 54: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9069#true} is VALID [2020-07-08 22:26:37,638 INFO L280 TraceCheckUtils]: 55: Hoare triple {9069#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9069#true} is VALID [2020-07-08 22:26:37,639 INFO L280 TraceCheckUtils]: 56: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-08 22:26:37,639 INFO L280 TraceCheckUtils]: 57: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-08 22:26:37,639 INFO L280 TraceCheckUtils]: 58: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-08 22:26:37,639 INFO L280 TraceCheckUtils]: 59: Hoare triple {9069#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9069#true} is VALID [2020-07-08 22:26:37,639 INFO L280 TraceCheckUtils]: 60: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-08 22:26:37,640 INFO L280 TraceCheckUtils]: 61: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-08 22:26:37,640 INFO L280 TraceCheckUtils]: 62: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-08 22:26:37,640 INFO L280 TraceCheckUtils]: 63: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-08 22:26:37,640 INFO L280 TraceCheckUtils]: 64: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-08 22:26:37,640 INFO L280 TraceCheckUtils]: 65: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-08 22:26:37,641 INFO L280 TraceCheckUtils]: 66: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9069#true} is VALID [2020-07-08 22:26:37,641 INFO L280 TraceCheckUtils]: 67: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-08 22:26:37,641 INFO L280 TraceCheckUtils]: 68: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-08 22:26:37,641 INFO L280 TraceCheckUtils]: 69: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-08 22:26:37,641 INFO L280 TraceCheckUtils]: 70: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-08 22:26:37,643 INFO L280 TraceCheckUtils]: 71: Hoare triple {9069#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9188#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:37,644 INFO L280 TraceCheckUtils]: 72: Hoare triple {9188#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,644 INFO L280 TraceCheckUtils]: 73: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,645 INFO L280 TraceCheckUtils]: 74: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,645 INFO L280 TraceCheckUtils]: 75: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,646 INFO L280 TraceCheckUtils]: 76: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,646 INFO L280 TraceCheckUtils]: 77: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,647 INFO L280 TraceCheckUtils]: 78: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} #t~ite4 := 1; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,648 INFO L280 TraceCheckUtils]: 79: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,648 INFO L280 TraceCheckUtils]: 80: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~nondet3; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,649 INFO L280 TraceCheckUtils]: 81: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~ite4; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,649 INFO L280 TraceCheckUtils]: 82: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,650 INFO L280 TraceCheckUtils]: 83: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,651 INFO L280 TraceCheckUtils]: 84: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,651 INFO L280 TraceCheckUtils]: 85: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:37,652 INFO L280 TraceCheckUtils]: 86: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,652 INFO L280 TraceCheckUtils]: 87: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} #t~post5 := ~len; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,653 INFO L280 TraceCheckUtils]: 88: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} ~len := #t~post5 - 1; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,653 INFO L280 TraceCheckUtils]: 89: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} havoc #t~post5; {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,654 INFO L280 TraceCheckUtils]: 90: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} assume !!(~len > 0); {9190#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:37,656 INFO L280 TraceCheckUtils]: 91: Hoare triple {9190#(= (select |#valid| dll_create_~head~0.base) 1)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {9191#(and (not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base)) (= 0 |dll_create_#t~malloc2.offset|))} is VALID [2020-07-08 22:26:37,657 INFO L280 TraceCheckUtils]: 92: Hoare triple {9191#(and (not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base)) (= 0 |dll_create_#t~malloc2.offset|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,658 INFO L280 TraceCheckUtils]: 93: Hoare triple {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,660 INFO L280 TraceCheckUtils]: 94: Hoare triple {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,662 INFO L280 TraceCheckUtils]: 95: Hoare triple {9192#(and (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,663 INFO L280 TraceCheckUtils]: 96: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,664 INFO L280 TraceCheckUtils]: 97: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume #t~nondet3 == ~len; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,666 INFO L280 TraceCheckUtils]: 98: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} #t~ite4 := 1; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,668 INFO L280 TraceCheckUtils]: 99: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,669 INFO L280 TraceCheckUtils]: 100: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~nondet3; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,670 INFO L280 TraceCheckUtils]: 101: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~ite4; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,672 INFO L280 TraceCheckUtils]: 102: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,674 INFO L280 TraceCheckUtils]: 103: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,675 INFO L280 TraceCheckUtils]: 104: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:37,677 INFO L280 TraceCheckUtils]: 105: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9194#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset))} is VALID [2020-07-08 22:26:37,679 INFO L280 TraceCheckUtils]: 106: Hoare triple {9194#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,680 INFO L280 TraceCheckUtils]: 107: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} #t~post5 := ~len; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,681 INFO L280 TraceCheckUtils]: 108: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} ~len := #t~post5 - 1; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,682 INFO L280 TraceCheckUtils]: 109: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} havoc #t~post5; {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,683 INFO L280 TraceCheckUtils]: 110: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} assume !(~len > 0); {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} is VALID [2020-07-08 22:26:37,684 INFO L280 TraceCheckUtils]: 111: Hoare triple {9195#(and (= 0 dll_create_~head~0.offset) (= 0 (select (select |#memory_int| dll_create_~head~0.base) 8)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:37,685 INFO L280 TraceCheckUtils]: 112: Hoare triple {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} assume true; {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:37,687 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {9196#(and (= 0 (select (select |#memory_int| |dll_create_#res.base|) 8)) (= 0 |dll_create_#res.offset|))} {9069#true} #184#return; {9181#(and (= 0 (select (select |#memory_int| |main_#t~ret6.base|) 8)) (= 0 |main_#t~ret6.offset|))} is VALID [2020-07-08 22:26:37,689 INFO L280 TraceCheckUtils]: 114: Hoare triple {9181#(and (= 0 (select (select |#memory_int| |main_#t~ret6.base|) 8)) (= 0 |main_#t~ret6.offset|))} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,690 INFO L280 TraceCheckUtils]: 115: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} havoc #t~ret6.base, #t~ret6.offset; {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,691 INFO L280 TraceCheckUtils]: 116: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,692 INFO L280 TraceCheckUtils]: 117: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,693 INFO L280 TraceCheckUtils]: 118: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} havoc #t~mem13.base, #t~mem13.offset; {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,694 INFO L280 TraceCheckUtils]: 119: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} SUMMARY for call #t~mem7 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L591 {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,696 INFO L280 TraceCheckUtils]: 120: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} #t~short9 := 0 != #t~mem7; {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,697 INFO L280 TraceCheckUtils]: 121: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} assume !#t~short9; {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} is VALID [2020-07-08 22:26:37,698 INFO L280 TraceCheckUtils]: 122: Hoare triple {9182#(and (= 0 main_~head~1.offset) (= 0 (select (select |#memory_int| main_~head~1.base) (+ main_~head~1.offset 8))))} SUMMARY for call #t~mem8 := read~int(~head~1.base, 8 + ~head~1.offset, 4); srcloc: L591-4 {9183#(= 0 |main_#t~mem8|)} is VALID [2020-07-08 22:26:37,699 INFO L280 TraceCheckUtils]: 123: Hoare triple {9183#(= 0 |main_#t~mem8|)} #t~short9 := 0 != #t~mem8; {9184#(not |main_#t~short9|)} is VALID [2020-07-08 22:26:37,700 INFO L280 TraceCheckUtils]: 124: Hoare triple {9184#(not |main_#t~short9|)} #t~short11 := #t~short9; {9185#(not |main_#t~short11|)} is VALID [2020-07-08 22:26:37,701 INFO L280 TraceCheckUtils]: 125: Hoare triple {9185#(not |main_#t~short11|)} assume #t~short11; {9070#false} is VALID [2020-07-08 22:26:37,702 INFO L280 TraceCheckUtils]: 126: Hoare triple {9070#false} assume #t~short11; {9070#false} is VALID [2020-07-08 22:26:37,702 INFO L280 TraceCheckUtils]: 127: Hoare triple {9070#false} havoc #t~mem8; {9070#false} is VALID [2020-07-08 22:26:37,702 INFO L280 TraceCheckUtils]: 128: Hoare triple {9070#false} havoc #t~short9; {9070#false} is VALID [2020-07-08 22:26:37,702 INFO L280 TraceCheckUtils]: 129: Hoare triple {9070#false} havoc #t~short11; {9070#false} is VALID [2020-07-08 22:26:37,703 INFO L280 TraceCheckUtils]: 130: Hoare triple {9070#false} havoc #t~mem7; {9070#false} is VALID [2020-07-08 22:26:37,703 INFO L280 TraceCheckUtils]: 131: Hoare triple {9070#false} havoc #t~mem10; {9070#false} is VALID [2020-07-08 22:26:37,703 INFO L280 TraceCheckUtils]: 132: Hoare triple {9070#false} assume !false; {9070#false} is VALID [2020-07-08 22:26:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-08 22:26:37,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759378702] [2020-07-08 22:26:37,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:37,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-08 22:26:37,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468399586] [2020-07-08 22:26:37,761 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-07-08 22:26:37,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:37,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-08 22:26:37,922 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:37,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-08 22:26:37,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:37,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-08 22:26:37,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2020-07-08 22:26:37,924 INFO L87 Difference]: Start difference. First operand 183 states and 197 transitions. Second operand 18 states. [2020-07-08 22:26:42,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:42,690 INFO L93 Difference]: Finished difference Result 286 states and 310 transitions. [2020-07-08 22:26:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-08 22:26:42,690 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-07-08 22:26:42,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-08 22:26:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 262 transitions. [2020-07-08 22:26:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-08 22:26:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 262 transitions. [2020-07-08 22:26:42,698 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 262 transitions. [2020-07-08 22:26:43,040 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:43,046 INFO L225 Difference]: With dead ends: 286 [2020-07-08 22:26:43,046 INFO L226 Difference]: Without dead ends: 231 [2020-07-08 22:26:43,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=1013, Unknown=0, NotChecked=0, Total=1190 [2020-07-08 22:26:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-08 22:26:43,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 187. [2020-07-08 22:26:43,842 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:43,842 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 187 states. [2020-07-08 22:26:43,842 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 187 states. [2020-07-08 22:26:43,842 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 187 states. [2020-07-08 22:26:43,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:43,848 INFO L93 Difference]: Finished difference Result 231 states and 248 transitions. [2020-07-08 22:26:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2020-07-08 22:26:43,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:43,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:43,849 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 231 states. [2020-07-08 22:26:43,850 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 231 states. [2020-07-08 22:26:43,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:43,856 INFO L93 Difference]: Finished difference Result 231 states and 248 transitions. [2020-07-08 22:26:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2020-07-08 22:26:43,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:43,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:43,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:43,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-07-08 22:26:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 201 transitions. [2020-07-08 22:26:43,861 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 201 transitions. Word has length 133 [2020-07-08 22:26:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:43,862 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 201 transitions. [2020-07-08 22:26:43,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-08 22:26:43,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 187 states and 201 transitions. [2020-07-08 22:26:44,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 201 transitions. [2020-07-08 22:26:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-08 22:26:44,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:44,310 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:44,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 22:26:44,310 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:44,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2062394754, now seen corresponding path program 1 times [2020-07-08 22:26:44,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:44,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197584551] [2020-07-08 22:26:44,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:44,500 INFO L280 TraceCheckUtils]: 0: Hoare triple {10762#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10646#true} is VALID [2020-07-08 22:26:44,500 INFO L280 TraceCheckUtils]: 1: Hoare triple {10646#true} #valid := #valid[0 := 0]; {10646#true} is VALID [2020-07-08 22:26:44,500 INFO L280 TraceCheckUtils]: 2: Hoare triple {10646#true} assume 0 < #StackHeapBarrier; {10646#true} is VALID [2020-07-08 22:26:44,501 INFO L280 TraceCheckUtils]: 3: Hoare triple {10646#true} assume true; {10646#true} is VALID [2020-07-08 22:26:44,501 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10646#true} {10646#true} #188#return; {10646#true} is VALID [2020-07-08 22:26:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:44,883 INFO L280 TraceCheckUtils]: 0: Hoare triple {10763#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {10646#true} is VALID [2020-07-08 22:26:44,883 INFO L280 TraceCheckUtils]: 1: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := 0, 0; {10646#true} is VALID [2020-07-08 22:26:44,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,884 INFO L280 TraceCheckUtils]: 3: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10646#true} is VALID [2020-07-08 22:26:44,884 INFO L280 TraceCheckUtils]: 4: Hoare triple {10646#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10646#true} is VALID [2020-07-08 22:26:44,884 INFO L280 TraceCheckUtils]: 5: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-08 22:26:44,884 INFO L280 TraceCheckUtils]: 6: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10646#true} is VALID [2020-07-08 22:26:44,885 INFO L280 TraceCheckUtils]: 7: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10646#true} is VALID [2020-07-08 22:26:44,885 INFO L280 TraceCheckUtils]: 8: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-08 22:26:44,885 INFO L280 TraceCheckUtils]: 9: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-08 22:26:44,885 INFO L280 TraceCheckUtils]: 10: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-08 22:26:44,885 INFO L280 TraceCheckUtils]: 11: Hoare triple {10646#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10646#true} is VALID [2020-07-08 22:26:44,885 INFO L280 TraceCheckUtils]: 12: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-08 22:26:44,886 INFO L280 TraceCheckUtils]: 13: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-08 22:26:44,886 INFO L280 TraceCheckUtils]: 14: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-08 22:26:44,886 INFO L280 TraceCheckUtils]: 15: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-08 22:26:44,886 INFO L280 TraceCheckUtils]: 16: Hoare triple {10646#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {10646#true} is VALID [2020-07-08 22:26:44,886 INFO L280 TraceCheckUtils]: 17: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10646#true} is VALID [2020-07-08 22:26:44,887 INFO L280 TraceCheckUtils]: 18: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-08 22:26:44,887 INFO L280 TraceCheckUtils]: 19: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-08 22:26:44,887 INFO L280 TraceCheckUtils]: 20: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-08 22:26:44,887 INFO L280 TraceCheckUtils]: 21: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,887 INFO L280 TraceCheckUtils]: 22: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10646#true} is VALID [2020-07-08 22:26:44,887 INFO L280 TraceCheckUtils]: 23: Hoare triple {10646#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10646#true} is VALID [2020-07-08 22:26:44,888 INFO L280 TraceCheckUtils]: 24: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-08 22:26:44,888 INFO L280 TraceCheckUtils]: 25: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10646#true} is VALID [2020-07-08 22:26:44,888 INFO L280 TraceCheckUtils]: 26: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10646#true} is VALID [2020-07-08 22:26:44,888 INFO L280 TraceCheckUtils]: 27: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-08 22:26:44,888 INFO L280 TraceCheckUtils]: 28: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-08 22:26:44,889 INFO L280 TraceCheckUtils]: 29: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-08 22:26:44,889 INFO L280 TraceCheckUtils]: 30: Hoare triple {10646#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10646#true} is VALID [2020-07-08 22:26:44,889 INFO L280 TraceCheckUtils]: 31: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-08 22:26:44,889 INFO L280 TraceCheckUtils]: 32: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-08 22:26:44,889 INFO L280 TraceCheckUtils]: 33: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-08 22:26:44,889 INFO L280 TraceCheckUtils]: 34: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-08 22:26:44,890 INFO L280 TraceCheckUtils]: 35: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-08 22:26:44,890 INFO L280 TraceCheckUtils]: 36: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-08 22:26:44,890 INFO L280 TraceCheckUtils]: 37: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10646#true} is VALID [2020-07-08 22:26:44,890 INFO L280 TraceCheckUtils]: 38: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-08 22:26:44,890 INFO L280 TraceCheckUtils]: 39: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-08 22:26:44,890 INFO L280 TraceCheckUtils]: 40: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-08 22:26:44,891 INFO L280 TraceCheckUtils]: 41: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,891 INFO L280 TraceCheckUtils]: 42: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10646#true} is VALID [2020-07-08 22:26:44,891 INFO L280 TraceCheckUtils]: 43: Hoare triple {10646#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10646#true} is VALID [2020-07-08 22:26:44,891 INFO L280 TraceCheckUtils]: 44: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-08 22:26:44,891 INFO L280 TraceCheckUtils]: 45: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10646#true} is VALID [2020-07-08 22:26:44,892 INFO L280 TraceCheckUtils]: 46: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10646#true} is VALID [2020-07-08 22:26:44,892 INFO L280 TraceCheckUtils]: 47: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-08 22:26:44,892 INFO L280 TraceCheckUtils]: 48: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-08 22:26:44,892 INFO L280 TraceCheckUtils]: 49: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-08 22:26:44,892 INFO L280 TraceCheckUtils]: 50: Hoare triple {10646#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10646#true} is VALID [2020-07-08 22:26:44,893 INFO L280 TraceCheckUtils]: 51: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-08 22:26:44,893 INFO L280 TraceCheckUtils]: 52: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-08 22:26:44,893 INFO L280 TraceCheckUtils]: 53: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-08 22:26:44,893 INFO L280 TraceCheckUtils]: 54: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-08 22:26:44,893 INFO L280 TraceCheckUtils]: 55: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-08 22:26:44,893 INFO L280 TraceCheckUtils]: 56: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-08 22:26:44,894 INFO L280 TraceCheckUtils]: 57: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10646#true} is VALID [2020-07-08 22:26:44,894 INFO L280 TraceCheckUtils]: 58: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-08 22:26:44,894 INFO L280 TraceCheckUtils]: 59: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-08 22:26:44,894 INFO L280 TraceCheckUtils]: 60: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-08 22:26:44,894 INFO L280 TraceCheckUtils]: 61: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,897 INFO L280 TraceCheckUtils]: 62: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10764#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:44,898 INFO L280 TraceCheckUtils]: 63: Hoare triple {10764#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,899 INFO L280 TraceCheckUtils]: 64: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,900 INFO L280 TraceCheckUtils]: 65: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,900 INFO L280 TraceCheckUtils]: 66: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,901 INFO L280 TraceCheckUtils]: 67: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,901 INFO L280 TraceCheckUtils]: 68: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,903 INFO L280 TraceCheckUtils]: 69: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} #t~ite4 := 1; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,903 INFO L280 TraceCheckUtils]: 70: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,904 INFO L280 TraceCheckUtils]: 71: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~nondet3; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,904 INFO L280 TraceCheckUtils]: 72: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~ite4; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,905 INFO L280 TraceCheckUtils]: 73: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,905 INFO L280 TraceCheckUtils]: 74: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,906 INFO L280 TraceCheckUtils]: 75: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,906 INFO L280 TraceCheckUtils]: 76: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,907 INFO L280 TraceCheckUtils]: 77: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,908 INFO L280 TraceCheckUtils]: 78: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} #t~post5 := ~len; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,908 INFO L280 TraceCheckUtils]: 79: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} ~len := #t~post5 - 1; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,909 INFO L280 TraceCheckUtils]: 80: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} havoc #t~post5; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,909 INFO L280 TraceCheckUtils]: 81: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} assume !!(~len > 0); {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,911 INFO L280 TraceCheckUtils]: 82: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10767#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} is VALID [2020-07-08 22:26:44,911 INFO L280 TraceCheckUtils]: 83: Hoare triple {10767#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:44,912 INFO L280 TraceCheckUtils]: 84: Hoare triple {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:44,913 INFO L280 TraceCheckUtils]: 85: Hoare triple {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,915 INFO L280 TraceCheckUtils]: 86: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,915 INFO L280 TraceCheckUtils]: 87: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,916 INFO L280 TraceCheckUtils]: 88: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume #t~nondet3 == ~len; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,917 INFO L280 TraceCheckUtils]: 89: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} #t~ite4 := 1; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,918 INFO L280 TraceCheckUtils]: 90: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,919 INFO L280 TraceCheckUtils]: 91: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~nondet3; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,920 INFO L280 TraceCheckUtils]: 92: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~ite4; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,921 INFO L280 TraceCheckUtils]: 93: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,922 INFO L280 TraceCheckUtils]: 94: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,924 INFO L280 TraceCheckUtils]: 95: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,925 INFO L280 TraceCheckUtils]: 96: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10770#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} is VALID [2020-07-08 22:26:44,926 INFO L280 TraceCheckUtils]: 97: Hoare triple {10770#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,926 INFO L280 TraceCheckUtils]: 98: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #t~post5 := ~len; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,927 INFO L280 TraceCheckUtils]: 99: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} ~len := #t~post5 - 1; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,927 INFO L280 TraceCheckUtils]: 100: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} havoc #t~post5; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,928 INFO L280 TraceCheckUtils]: 101: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} assume !(~len > 0); {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,929 INFO L280 TraceCheckUtils]: 102: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:44,929 INFO L280 TraceCheckUtils]: 103: Hoare triple {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} assume true; {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:44,930 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} {10646#true} #184#return; {10758#(= 0 (select (select |#memory_int| |main_#t~ret6.base|) |main_#t~ret6.offset|))} is VALID [2020-07-08 22:26:44,948 INFO L263 TraceCheckUtils]: 0: Hoare triple {10646#true} call ULTIMATE.init(); {10762#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:44,949 INFO L280 TraceCheckUtils]: 1: Hoare triple {10762#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10646#true} is VALID [2020-07-08 22:26:44,949 INFO L280 TraceCheckUtils]: 2: Hoare triple {10646#true} #valid := #valid[0 := 0]; {10646#true} is VALID [2020-07-08 22:26:44,949 INFO L280 TraceCheckUtils]: 3: Hoare triple {10646#true} assume 0 < #StackHeapBarrier; {10646#true} is VALID [2020-07-08 22:26:44,949 INFO L280 TraceCheckUtils]: 4: Hoare triple {10646#true} assume true; {10646#true} is VALID [2020-07-08 22:26:44,950 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {10646#true} {10646#true} #188#return; {10646#true} is VALID [2020-07-08 22:26:44,950 INFO L263 TraceCheckUtils]: 6: Hoare triple {10646#true} call #t~ret20 := main(); {10646#true} is VALID [2020-07-08 22:26:44,950 INFO L280 TraceCheckUtils]: 7: Hoare triple {10646#true} ~len~0 := 5; {10646#true} is VALID [2020-07-08 22:26:44,951 INFO L263 TraceCheckUtils]: 8: Hoare triple {10646#true} call #t~ret6.base, #t~ret6.offset := dll_create(~len~0); {10763#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:26:44,951 INFO L280 TraceCheckUtils]: 9: Hoare triple {10763#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {10646#true} is VALID [2020-07-08 22:26:44,952 INFO L280 TraceCheckUtils]: 10: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := 0, 0; {10646#true} is VALID [2020-07-08 22:26:44,952 INFO L280 TraceCheckUtils]: 11: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,952 INFO L280 TraceCheckUtils]: 12: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10646#true} is VALID [2020-07-08 22:26:44,952 INFO L280 TraceCheckUtils]: 13: Hoare triple {10646#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10646#true} is VALID [2020-07-08 22:26:44,952 INFO L280 TraceCheckUtils]: 14: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-08 22:26:44,953 INFO L280 TraceCheckUtils]: 15: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10646#true} is VALID [2020-07-08 22:26:44,953 INFO L280 TraceCheckUtils]: 16: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10646#true} is VALID [2020-07-08 22:26:44,953 INFO L280 TraceCheckUtils]: 17: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-08 22:26:44,953 INFO L280 TraceCheckUtils]: 18: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-08 22:26:44,953 INFO L280 TraceCheckUtils]: 19: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-08 22:26:44,953 INFO L280 TraceCheckUtils]: 20: Hoare triple {10646#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10646#true} is VALID [2020-07-08 22:26:44,954 INFO L280 TraceCheckUtils]: 21: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-08 22:26:44,954 INFO L280 TraceCheckUtils]: 22: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-08 22:26:44,954 INFO L280 TraceCheckUtils]: 23: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-08 22:26:44,954 INFO L280 TraceCheckUtils]: 24: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-08 22:26:44,954 INFO L280 TraceCheckUtils]: 25: Hoare triple {10646#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {10646#true} is VALID [2020-07-08 22:26:44,954 INFO L280 TraceCheckUtils]: 26: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10646#true} is VALID [2020-07-08 22:26:44,955 INFO L280 TraceCheckUtils]: 27: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-08 22:26:44,955 INFO L280 TraceCheckUtils]: 28: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-08 22:26:44,955 INFO L280 TraceCheckUtils]: 29: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-08 22:26:44,955 INFO L280 TraceCheckUtils]: 30: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,955 INFO L280 TraceCheckUtils]: 31: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10646#true} is VALID [2020-07-08 22:26:44,955 INFO L280 TraceCheckUtils]: 32: Hoare triple {10646#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10646#true} is VALID [2020-07-08 22:26:44,956 INFO L280 TraceCheckUtils]: 33: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-08 22:26:44,956 INFO L280 TraceCheckUtils]: 34: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10646#true} is VALID [2020-07-08 22:26:44,956 INFO L280 TraceCheckUtils]: 35: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10646#true} is VALID [2020-07-08 22:26:44,956 INFO L280 TraceCheckUtils]: 36: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-08 22:26:44,956 INFO L280 TraceCheckUtils]: 37: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-08 22:26:44,957 INFO L280 TraceCheckUtils]: 38: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-08 22:26:44,957 INFO L280 TraceCheckUtils]: 39: Hoare triple {10646#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10646#true} is VALID [2020-07-08 22:26:44,957 INFO L280 TraceCheckUtils]: 40: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-08 22:26:44,957 INFO L280 TraceCheckUtils]: 41: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-08 22:26:44,957 INFO L280 TraceCheckUtils]: 42: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-08 22:26:44,957 INFO L280 TraceCheckUtils]: 43: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-08 22:26:44,958 INFO L280 TraceCheckUtils]: 44: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-08 22:26:44,958 INFO L280 TraceCheckUtils]: 45: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-08 22:26:44,958 INFO L280 TraceCheckUtils]: 46: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10646#true} is VALID [2020-07-08 22:26:44,958 INFO L280 TraceCheckUtils]: 47: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-08 22:26:44,958 INFO L280 TraceCheckUtils]: 48: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-08 22:26:44,959 INFO L280 TraceCheckUtils]: 49: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-08 22:26:44,959 INFO L280 TraceCheckUtils]: 50: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,959 INFO L280 TraceCheckUtils]: 51: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10646#true} is VALID [2020-07-08 22:26:44,959 INFO L280 TraceCheckUtils]: 52: Hoare triple {10646#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10646#true} is VALID [2020-07-08 22:26:44,959 INFO L280 TraceCheckUtils]: 53: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-08 22:26:44,959 INFO L280 TraceCheckUtils]: 54: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10646#true} is VALID [2020-07-08 22:26:44,960 INFO L280 TraceCheckUtils]: 55: Hoare triple {10646#true} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10646#true} is VALID [2020-07-08 22:26:44,960 INFO L280 TraceCheckUtils]: 56: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-08 22:26:44,960 INFO L280 TraceCheckUtils]: 57: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-08 22:26:44,960 INFO L280 TraceCheckUtils]: 58: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-08 22:26:44,960 INFO L280 TraceCheckUtils]: 59: Hoare triple {10646#true} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10646#true} is VALID [2020-07-08 22:26:44,960 INFO L280 TraceCheckUtils]: 60: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-08 22:26:44,961 INFO L280 TraceCheckUtils]: 61: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-08 22:26:44,961 INFO L280 TraceCheckUtils]: 62: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-08 22:26:44,961 INFO L280 TraceCheckUtils]: 63: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-08 22:26:44,961 INFO L280 TraceCheckUtils]: 64: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-08 22:26:44,961 INFO L280 TraceCheckUtils]: 65: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-08 22:26:44,962 INFO L280 TraceCheckUtils]: 66: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10646#true} is VALID [2020-07-08 22:26:44,962 INFO L280 TraceCheckUtils]: 67: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-08 22:26:44,962 INFO L280 TraceCheckUtils]: 68: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-08 22:26:44,962 INFO L280 TraceCheckUtils]: 69: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-08 22:26:44,962 INFO L280 TraceCheckUtils]: 70: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-08 22:26:44,964 INFO L280 TraceCheckUtils]: 71: Hoare triple {10646#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10764#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} is VALID [2020-07-08 22:26:44,965 INFO L280 TraceCheckUtils]: 72: Hoare triple {10764#(= 1 (select |#valid| |dll_create_#t~malloc2.base|))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,965 INFO L280 TraceCheckUtils]: 73: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,966 INFO L280 TraceCheckUtils]: 74: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,966 INFO L280 TraceCheckUtils]: 75: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,967 INFO L280 TraceCheckUtils]: 76: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,967 INFO L280 TraceCheckUtils]: 77: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume #t~nondet3 == ~len; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,967 INFO L280 TraceCheckUtils]: 78: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} #t~ite4 := 1; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,968 INFO L280 TraceCheckUtils]: 79: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,968 INFO L280 TraceCheckUtils]: 80: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~nondet3; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,968 INFO L280 TraceCheckUtils]: 81: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} havoc #t~ite4; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,969 INFO L280 TraceCheckUtils]: 82: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,969 INFO L280 TraceCheckUtils]: 83: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,970 INFO L280 TraceCheckUtils]: 84: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,970 INFO L280 TraceCheckUtils]: 85: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-08 22:26:44,970 INFO L280 TraceCheckUtils]: 86: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,971 INFO L280 TraceCheckUtils]: 87: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} #t~post5 := ~len; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,971 INFO L280 TraceCheckUtils]: 88: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} ~len := #t~post5 - 1; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,971 INFO L280 TraceCheckUtils]: 89: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} havoc #t~post5; {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,972 INFO L280 TraceCheckUtils]: 90: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} assume !!(~len > 0); {10766#(= (select |#valid| dll_create_~head~0.base) 1)} is VALID [2020-07-08 22:26:44,973 INFO L280 TraceCheckUtils]: 91: Hoare triple {10766#(= (select |#valid| dll_create_~head~0.base) 1)} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(20); srcloc: L570 {10767#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} is VALID [2020-07-08 22:26:44,974 INFO L280 TraceCheckUtils]: 92: Hoare triple {10767#(not (= |dll_create_#t~malloc2.base| dll_create_~head~0.base))} ~new_head~0.base, ~new_head~0.offset := #t~malloc2.base, #t~malloc2.offset; {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:44,975 INFO L280 TraceCheckUtils]: 93: Hoare triple {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} is VALID [2020-07-08 22:26:44,976 INFO L280 TraceCheckUtils]: 94: Hoare triple {10768#(not (= dll_create_~new_head~0.base dll_create_~head~0.base))} SUMMARY for call write~int(0, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L571-1 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,978 INFO L280 TraceCheckUtils]: 95: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(0, ~new_head~0.base, 8 + ~new_head~0.offset, 4); srcloc: L574 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,979 INFO L280 TraceCheckUtils]: 96: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,979 INFO L280 TraceCheckUtils]: 97: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume #t~nondet3 == ~len; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,980 INFO L280 TraceCheckUtils]: 98: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} #t~ite4 := 1; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,981 INFO L280 TraceCheckUtils]: 99: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~int(#t~ite4, ~new_head~0.base, 16 + ~new_head~0.offset, 4); srcloc: L576-4 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,982 INFO L280 TraceCheckUtils]: 100: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~nondet3; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,983 INFO L280 TraceCheckUtils]: 101: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} havoc #t~ite4; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,984 INFO L280 TraceCheckUtils]: 102: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,985 INFO L280 TraceCheckUtils]: 103: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,986 INFO L280 TraceCheckUtils]: 104: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-08 22:26:44,987 INFO L280 TraceCheckUtils]: 105: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10770#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} is VALID [2020-07-08 22:26:44,988 INFO L280 TraceCheckUtils]: 106: Hoare triple {10770#(= 0 (select (select |#memory_int| dll_create_~new_head~0.base) dll_create_~new_head~0.offset))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,989 INFO L280 TraceCheckUtils]: 107: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #t~post5 := ~len; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,989 INFO L280 TraceCheckUtils]: 108: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} ~len := #t~post5 - 1; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,990 INFO L280 TraceCheckUtils]: 109: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} havoc #t~post5; {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,991 INFO L280 TraceCheckUtils]: 110: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} assume !(~len > 0); {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} is VALID [2020-07-08 22:26:44,994 INFO L280 TraceCheckUtils]: 111: Hoare triple {10771#(= 0 (select (select |#memory_int| dll_create_~head~0.base) dll_create_~head~0.offset))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:44,995 INFO L280 TraceCheckUtils]: 112: Hoare triple {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} assume true; {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} is VALID [2020-07-08 22:26:44,996 INFO L275 TraceCheckUtils]: 113: Hoare quadruple {10772#(= 0 (select (select |#memory_int| |dll_create_#res.base|) |dll_create_#res.offset|))} {10646#true} #184#return; {10758#(= 0 (select (select |#memory_int| |main_#t~ret6.base|) |main_#t~ret6.offset|))} is VALID [2020-07-08 22:26:44,996 INFO L280 TraceCheckUtils]: 114: Hoare triple {10758#(= 0 (select (select |#memory_int| |main_#t~ret6.base|) |main_#t~ret6.offset|))} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,997 INFO L280 TraceCheckUtils]: 115: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} havoc #t~ret6.base, #t~ret6.offset; {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,997 INFO L280 TraceCheckUtils]: 116: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,997 INFO L280 TraceCheckUtils]: 117: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} assume !(#t~mem13.base != 0 || #t~mem13.offset != 0); {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,998 INFO L280 TraceCheckUtils]: 118: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} havoc #t~mem13.base, #t~mem13.offset; {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,998 INFO L280 TraceCheckUtils]: 119: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} assume !!(~head~1.base != 0 || ~head~1.offset != 0); {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,999 INFO L280 TraceCheckUtils]: 120: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$Pointer$(~head~1.base, 12 + ~head~1.offset, 4); srcloc: L597 {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,999 INFO L280 TraceCheckUtils]: 121: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} ~temp~0.base, ~temp~0.offset := #t~mem14.base, #t~mem14.offset; {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:44,999 INFO L280 TraceCheckUtils]: 122: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} havoc #t~mem14.base, #t~mem14.offset; {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-08 22:26:45,000 INFO L280 TraceCheckUtils]: 123: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} SUMMARY for call #t~mem15 := read~int(~head~1.base, ~head~1.offset, 4); srcloc: L598 {10760#(= |main_#t~mem15| 0)} is VALID [2020-07-08 22:26:45,000 INFO L280 TraceCheckUtils]: 124: Hoare triple {10760#(= |main_#t~mem15| 0)} #t~short17 := 0 != #t~mem15; {10761#(not |main_#t~short17|)} is VALID [2020-07-08 22:26:45,001 INFO L280 TraceCheckUtils]: 125: Hoare triple {10761#(not |main_#t~short17|)} assume #t~short17; {10647#false} is VALID [2020-07-08 22:26:45,001 INFO L280 TraceCheckUtils]: 126: Hoare triple {10647#false} #t~short19 := #t~short17; {10647#false} is VALID [2020-07-08 22:26:45,002 INFO L280 TraceCheckUtils]: 127: Hoare triple {10647#false} assume #t~short19; {10647#false} is VALID [2020-07-08 22:26:45,002 INFO L280 TraceCheckUtils]: 128: Hoare triple {10647#false} assume #t~short19; {10647#false} is VALID [2020-07-08 22:26:45,002 INFO L280 TraceCheckUtils]: 129: Hoare triple {10647#false} havoc #t~mem18; {10647#false} is VALID [2020-07-08 22:26:45,002 INFO L280 TraceCheckUtils]: 130: Hoare triple {10647#false} havoc #t~short19; {10647#false} is VALID [2020-07-08 22:26:45,002 INFO L280 TraceCheckUtils]: 131: Hoare triple {10647#false} havoc #t~mem16; {10647#false} is VALID [2020-07-08 22:26:45,003 INFO L280 TraceCheckUtils]: 132: Hoare triple {10647#false} havoc #t~short17; {10647#false} is VALID [2020-07-08 22:26:45,003 INFO L280 TraceCheckUtils]: 133: Hoare triple {10647#false} havoc #t~mem15; {10647#false} is VALID [2020-07-08 22:26:45,003 INFO L280 TraceCheckUtils]: 134: Hoare triple {10647#false} assume !false; {10647#false} is VALID [2020-07-08 22:26:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-08 22:26:45,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197584551] [2020-07-08 22:26:45,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:45,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-08 22:26:45,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880013001] [2020-07-08 22:26:45,020 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 135 [2020-07-08 22:26:45,021 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:45,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-08 22:26:45,143 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:45,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-08 22:26:45,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:45,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-08 22:26:45,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-07-08 22:26:45,144 INFO L87 Difference]: Start difference. First operand 187 states and 201 transitions. Second operand 17 states. [2020-07-08 22:26:49,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:49,077 INFO L93 Difference]: Finished difference Result 281 states and 301 transitions. [2020-07-08 22:26:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-08 22:26:49,077 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 135 [2020-07-08 22:26:49,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-08 22:26:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2020-07-08 22:26:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-08 22:26:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2020-07-08 22:26:49,086 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 231 transitions. [2020-07-08 22:26:49,379 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:49,384 INFO L225 Difference]: With dead ends: 281 [2020-07-08 22:26:49,384 INFO L226 Difference]: Without dead ends: 253 [2020-07-08 22:26:49,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 9 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2020-07-08 22:26:49,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-08 22:26:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 195. [2020-07-08 22:26:50,228 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:50,228 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 195 states. [2020-07-08 22:26:50,228 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 195 states. [2020-07-08 22:26:50,229 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 195 states. [2020-07-08 22:26:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:50,234 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2020-07-08 22:26:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2020-07-08 22:26:50,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:50,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:50,236 INFO L74 IsIncluded]: Start isIncluded. First operand 195 states. Second operand 253 states. [2020-07-08 22:26:50,236 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 253 states. [2020-07-08 22:26:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:50,242 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2020-07-08 22:26:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2020-07-08 22:26:50,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:50,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:50,243 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:50,244 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-08 22:26:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 209 transitions. [2020-07-08 22:26:50,249 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 209 transitions. Word has length 135 [2020-07-08 22:26:50,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:50,249 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 209 transitions. [2020-07-08 22:26:50,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-08 22:26:50,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 195 states and 209 transitions. [2020-07-08 22:26:50,725 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 209 transitions. [2020-07-08 22:26:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-08 22:26:50,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:50,727 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:26:50,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-08 22:26:50,727 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:26:50,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:50,728 INFO L82 PathProgramCache]: Analyzing trace with hash -414346707, now seen corresponding path program 1 times [2020-07-08 22:26:50,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:50,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588225689] [2020-07-08 22:26:50,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:26:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:26:50,975 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 22:26:50,975 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 22:26:50,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-08 22:26:51,120 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 22:26:51,121 WARN L170 areAnnotationChecker]: myexitENTRY has no Hoare annotation [2020-07-08 22:26:51,121 WARN L170 areAnnotationChecker]: dll_createENTRY has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:26:51,122 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-08 22:26:51,123 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-08 22:26:51,123 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-08 22:26:51,123 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:26:51,123 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:26:51,124 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-08 22:26:51,124 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-08 22:26:51,124 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-08 22:26:51,124 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: L569-2 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: L569-2 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: L569-2 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2020-07-08 22:26:51,125 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: L569-3 has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: L589-2 has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: dll_createFINAL has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: L570-1 has no Hoare annotation [2020-07-08 22:26:51,126 WARN L170 areAnnotationChecker]: L590-5 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L590-5 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: dll_createEXIT has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L590-1 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L590-1 has no Hoare annotation [2020-07-08 22:26:51,127 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L571-1 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L596-2 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L590-4 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 22:26:51,128 WARN L170 areAnnotationChecker]: L597-1 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L591-1 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L591-2 has no Hoare annotation [2020-07-08 22:26:51,129 WARN L170 areAnnotationChecker]: L591-2 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L576-1 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L576-3 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L598-1 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L591-6 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L591-4 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L576-4 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L591-7 has no Hoare annotation [2020-07-08 22:26:51,130 WARN L170 areAnnotationChecker]: L591-7 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L591-5 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L576-5 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L598-6 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L598-4 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L591-11 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L591-11 has no Hoare annotation [2020-07-08 22:26:51,131 WARN L170 areAnnotationChecker]: L591-9 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L576-6 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L598-7 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L598-7 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L598-5 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L591-12 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L591-17 has no Hoare annotation [2020-07-08 22:26:51,132 WARN L170 areAnnotationChecker]: L591-10 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L598-11 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L598-11 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L598-9 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L591-13 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L591-18 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L577-1 has no Hoare annotation [2020-07-08 22:26:51,133 WARN L170 areAnnotationChecker]: L598-12 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L598-17 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L598-10 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L591-14 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L591-19 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-08 22:26:51,134 WARN L170 areAnnotationChecker]: L598-13 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L598-18 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L591-15 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L591-20 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L598-14 has no Hoare annotation [2020-07-08 22:26:51,135 WARN L170 areAnnotationChecker]: L598-19 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L591-16 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L591-21 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L598-15 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L598-20 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L599 has no Hoare annotation [2020-07-08 22:26:51,136 WARN L170 areAnnotationChecker]: L599 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L583-1 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L598-16 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L598-21 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L606 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-08 22:26:51,137 WARN L170 areAnnotationChecker]: L583-2 has no Hoare annotation [2020-07-08 22:26:51,138 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-08 22:26:51,138 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-08 22:26:51,138 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-08 22:26:51,138 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 22:26:51,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:26:51 BoogieIcfgContainer [2020-07-08 22:26:51,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:26:51,151 INFO L168 Benchmark]: Toolchain (without parser) took 40339.85 ms. Allocated memory was 144.2 MB in the beginning and 520.1 MB in the end (delta: 375.9 MB). Free memory was 101.0 MB in the beginning and 319.1 MB in the end (delta: -218.1 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:51,152 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 22:26:51,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.89 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 167.6 MB in the end (delta: -67.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:51,156 INFO L168 Benchmark]: Boogie Preprocessor took 137.20 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:51,161 INFO L168 Benchmark]: RCFGBuilder took 974.76 ms. Allocated memory is still 202.4 MB. Free memory was 163.7 MB in the beginning and 97.3 MB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:51,161 INFO L168 Benchmark]: TraceAbstraction took 38546.70 ms. Allocated memory was 202.4 MB in the beginning and 520.1 MB in the end (delta: 317.7 MB). Free memory was 97.3 MB in the beginning and 319.1 MB in the end (delta: -221.8 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:51,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.89 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 167.6 MB in the end (delta: -67.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.20 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 974.76 ms. Allocated memory is still 202.4 MB. Free memory was 163.7 MB in the beginning and 97.3 MB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38546.70 ms. Allocated memory was 202.4 MB in the beginning and 520.1 MB in the end (delta: 317.7 MB). Free memory was 97.3 MB in the beginning and 319.1 MB in the end (delta: -221.8 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 605]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L588] const int len = 5; VAL [len=5] [L589] CALL, EXPR dll_create(len) VAL [\old(len)=5] [L568] DLL head = ((void *)0); VAL [\old(len)=5, head={0:0}, len=5] [L569] COND TRUE len > 0 VAL [\old(len)=5, head={0:0}, len=5] [L570] DLL new_head = (DLL) malloc(sizeof(struct node)); VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L571] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L574] new_head->data_0 = 0 VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L575] new_head->data_1 = 0 VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L576] EXPR __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=5, __VERIFIER_nondet_int() == len? 1 : 0=1, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L576] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=5, __VERIFIER_nondet_int() == len? 1 : 0=1, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L577] new_head->next = head VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L578] new_head->prev = ((void *)0) VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L579] COND FALSE !(\read(head)) VAL [\old(len)=5, head={0:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L582] head = new_head VAL [\old(len)=5, head={-1:0}, len=5, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L583] len-- VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L569] COND TRUE len > 0 VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-1:0}, new_head={-1:0}] [L570] DLL new_head = (DLL) malloc(sizeof(struct node)); VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L571] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L574] new_head->data_0 = 0 VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L575] new_head->data_1 = 0 VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L576] EXPR __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=4, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L576] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=4, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L577] new_head->next = head VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L578] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L579] COND TRUE \read(head) VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L580] head->prev = new_head VAL [\old(len)=5, head={-1:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L582] head = new_head VAL [\old(len)=5, head={-2:0}, len=4, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L583] len-- VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L569] COND TRUE len > 0 VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-2:0}, new_head={-2:0}] [L570] DLL new_head = (DLL) malloc(sizeof(struct node)); VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L571] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L574] new_head->data_0 = 0 VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L575] new_head->data_1 = 0 VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L576] EXPR __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=3, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L576] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=3, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L577] new_head->next = head VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L578] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L579] COND TRUE \read(head) VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L580] head->prev = new_head VAL [\old(len)=5, head={-2:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L582] head = new_head VAL [\old(len)=5, head={-3:0}, len=3, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L583] len-- VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L569] COND TRUE len > 0 VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-3:0}, new_head={-3:0}] [L570] DLL new_head = (DLL) malloc(sizeof(struct node)); VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L571] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L574] new_head->data_0 = 0 VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L575] new_head->data_1 = 0 VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L576] EXPR __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=2, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L576] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=2, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L577] new_head->next = head VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L578] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L579] COND TRUE \read(head) VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L580] head->prev = new_head VAL [\old(len)=5, head={-3:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L582] head = new_head VAL [\old(len)=5, head={-4:0}, len=2, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L583] len-- VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L569] COND TRUE len > 0 VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-4:0}, new_head={-4:0}] [L570] DLL new_head = (DLL) malloc(sizeof(struct node)); VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L571] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L574] new_head->data_0 = 0 VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L575] new_head->data_1 = 0 VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L576] EXPR __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=1, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L576] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 VAL [\old(len)=5, __VERIFIER_nondet_int()=1, __VERIFIER_nondet_int() == len? 1 : 0=1, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L577] new_head->next = head VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L578] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L579] COND TRUE \read(head) VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L580] head->prev = new_head VAL [\old(len)=5, head={-4:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L582] head = new_head VAL [\old(len)=5, head={-5:0}, len=1, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L583] len-- VAL [\old(len)=5, head={-5:0}, len=0, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L569] COND FALSE !(len > 0) VAL [\old(len)=5, head={-5:0}, len=0, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L585] return head; VAL [\old(len)=5, \result={-5:0}, head={-5:0}, len=0, malloc(sizeof(struct node))={-5:0}, new_head={-5:0}] [L589] RET, EXPR dll_create(len) VAL [dll_create(len)={-5:0}, len=5] [L589] DLL head = dll_create(len); VAL [dll_create(len)={-5:0}, head={-5:0}, len=5] [L590] head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L590] COND TRUE head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L591] EXPR head->data_0 VAL [head={-5:0}, head->data_0=0, len=5] [L591] EXPR 0 != head->data_0 || 0 != head->data_1 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, len=5] [L591] EXPR head->data_1 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [L591] EXPR 0 != head->data_0 || 0 != head->data_1 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [L591] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [L591] EXPR head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=0, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L591] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L591] COND TRUE 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L605] __VERIFIER_error() VAL [head={-5:0}, len=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 38.3s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 25.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 920 SDtfs, 1499 SDslu, 6156 SDs, 0 SdLazy, 3407 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 64 SyntacticMatches, 11 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 328 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 334431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 554/828 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...