/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 0.1.25-267fbe0 [2020-07-18 05:16:30,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:16:30,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:16:30,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:16:30,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:16:30,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:16:30,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:16:30,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:16:30,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:16:30,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:16:30,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:16:30,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:16:30,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:16:30,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:16:30,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:16:30,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:16:30,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:16:30,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:16:30,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:16:30,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:16:30,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:16:30,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:16:30,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:16:30,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:16:30,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:16:30,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:16:30,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:16:30,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:16:30,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:16:30,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:16:30,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:16:30,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:16:30,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:16:30,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:16:30,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:16:30,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:16:30,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:16:30,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:16:30,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:16:30,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:16:30,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:16:30,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:16:30,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:16:30,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:16:30,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:16:30,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:16:30,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:16:30,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:16:30,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:16:30,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:16:30,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:16:30,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:16:30,109 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:16:30,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:16:30,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:16:30,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:16:30,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:16:30,110 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:16:30,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:16:30,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:16:30,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:16:30,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:16:30,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:16:30,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:16:30,112 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 [2020-07-18 05:16:30,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:16:30,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:16:30,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:16:30,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:16:30,408 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:16:30,409 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2020-07-18 05:16:30,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a50ff5a/75a54317e7a04520a58a205f74e41521/FLAG66e525ba9 [2020-07-18 05:16:31,089 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:16:31,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2020-07-18 05:16:31,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a50ff5a/75a54317e7a04520a58a205f74e41521/FLAG66e525ba9 [2020-07-18 05:16:31,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a50ff5a/75a54317e7a04520a58a205f74e41521 [2020-07-18 05:16:31,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:16:31,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:16:31,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:16:31,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:16:31,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:16:31,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:16:31" (1/1) ... [2020-07-18 05:16:31,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713ad7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:31, skipping insertion in model container [2020-07-18 05:16:31,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:16:31" (1/1) ... [2020-07-18 05:16:31,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:16:31,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:16:31,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:16:31,962 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:16:32,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:16:32,125 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:16:32,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32 WrapperNode [2020-07-18 05:16:32,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:16:32,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:16:32,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:16:32,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:16:32,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (1/1) ... [2020-07-18 05:16:32,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:16:32,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:16:32,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:16:32,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:16:32,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (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 [2020-07-18 05:16:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:16:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:16:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-18 05:16:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-18 05:16:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-18 05:16:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-07-18 05:16:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:16:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:16:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:16:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-18 05:16:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-18 05:16:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 05:16:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 05:16:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 05:16:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 05:16:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 05:16:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 05:16:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 05:16:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 05:16:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 05:16:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 05:16:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 05:16:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 05:16:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 05:16:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 05:16:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 05:16:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 05:16:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 05:16:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 05:16:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 05:16:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 05:16:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 05:16:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 05:16:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 05:16:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 05:16:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 05:16:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 05:16:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 05:16:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 05:16:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 05:16:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 05:16:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 05:16:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 05:16:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 05:16:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 05:16:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 05:16:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 05:16:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 05:16:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 05:16:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 05:16:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 05:16:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 05:16:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 05:16:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 05:16:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 05:16:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 05:16:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 05:16:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 05:16:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 05:16:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 05:16:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 05:16:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 05:16:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 05:16:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 05:16:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 05:16:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 05:16:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 05:16:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 05:16:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 05:16:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 05:16:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 05:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 05:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 05:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 05:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 05:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 05:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 05:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-18 05:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-07-18 05:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 05:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:16:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:16:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:16:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:16:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:16:32,700 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-18 05:16:33,090 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:16:33,090 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-18 05:16:33,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:16:33 BoogieIcfgContainer [2020-07-18 05:16:33,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:16:33,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:16:33,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:16:33,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:16:33,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:16:31" (1/3) ... [2020-07-18 05:16:33,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6235f274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:16:33, skipping insertion in model container [2020-07-18 05:16:33,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:32" (2/3) ... [2020-07-18 05:16:33,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6235f274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:16:33, skipping insertion in model container [2020-07-18 05:16:33,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:16:33" (3/3) ... [2020-07-18 05:16:33,106 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2020-07-18 05:16:33,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:16:33,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:16:33,144 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:16:33,170 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:16:33,170 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:16:33,170 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:16:33,171 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:16:33,171 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:16:33,171 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:16:33,171 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:16:33,171 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:16:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-07-18 05:16:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 05:16:33,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:33,206 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] [2020-07-18 05:16:33,207 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:33,214 INFO L82 PathProgramCache]: Analyzing trace with hash 136898680, now seen corresponding path program 1 times [2020-07-18 05:16:33,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:33,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181791127] [2020-07-18 05:16:33,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:33,470 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 [2020-07-18 05:16:33,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {104#true} #valid := #valid[0 := 0]; {104#true} is VALID [2020-07-18 05:16:33,471 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#true} assume 0 < #StackHeapBarrier; {104#true} is VALID [2020-07-18 05:16:33,471 INFO L280 TraceCheckUtils]: 3: Hoare triple {104#true} assume true; {104#true} is VALID [2020-07-18 05:16:33,471 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {104#true} {104#true} #188#return; {104#true} is VALID [2020-07-18 05:16:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:33,509 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 [2020-07-18 05:16:33,510 INFO L280 TraceCheckUtils]: 1: Hoare triple {104#true} ~head~0.base, ~head~0.offset := 0, 0; {104#true} is VALID [2020-07-18 05:16:33,511 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#true} assume !true; {105#false} is VALID [2020-07-18 05:16:33,511 INFO L280 TraceCheckUtils]: 3: Hoare triple {105#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {105#false} is VALID [2020-07-18 05:16:33,512 INFO L280 TraceCheckUtils]: 4: Hoare triple {105#false} assume true; {105#false} is VALID [2020-07-18 05:16:33,512 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {105#false} {104#true} #184#return; {105#false} is VALID [2020-07-18 05:16:33,514 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 [2020-07-18 05:16:33,515 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 [2020-07-18 05:16:33,515 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#true} #valid := #valid[0 := 0]; {104#true} is VALID [2020-07-18 05:16:33,515 INFO L280 TraceCheckUtils]: 3: Hoare triple {104#true} assume 0 < #StackHeapBarrier; {104#true} is VALID [2020-07-18 05:16:33,516 INFO L280 TraceCheckUtils]: 4: Hoare triple {104#true} assume true; {104#true} is VALID [2020-07-18 05:16:33,516 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {104#true} {104#true} #188#return; {104#true} is VALID [2020-07-18 05:16:33,516 INFO L263 TraceCheckUtils]: 6: Hoare triple {104#true} call #t~ret20 := main(); {104#true} is VALID [2020-07-18 05:16:33,517 INFO L280 TraceCheckUtils]: 7: Hoare triple {104#true} ~len~0 := 5; {104#true} is VALID [2020-07-18 05:16:33,519 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$.offset)|))} is VALID [2020-07-18 05:16:33,519 INFO L280 TraceCheckUtils]: 9: Hoare triple {118#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {104#true} is VALID [2020-07-18 05:16:33,520 INFO L280 TraceCheckUtils]: 10: Hoare triple {104#true} ~head~0.base, ~head~0.offset := 0, 0; {104#true} is VALID [2020-07-18 05:16:33,521 INFO L280 TraceCheckUtils]: 11: Hoare triple {104#true} assume !true; {105#false} is VALID [2020-07-18 05:16:33,521 INFO L280 TraceCheckUtils]: 12: Hoare triple {105#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {105#false} is VALID [2020-07-18 05:16:33,522 INFO L280 TraceCheckUtils]: 13: Hoare triple {105#false} assume true; {105#false} is VALID [2020-07-18 05:16:33,522 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {105#false} {104#true} #184#return; {105#false} is VALID [2020-07-18 05:16:33,522 INFO L280 TraceCheckUtils]: 15: Hoare triple {105#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {105#false} is VALID [2020-07-18 05:16:33,523 INFO L280 TraceCheckUtils]: 16: Hoare triple {105#false} havoc #t~ret6.base, #t~ret6.offset; {105#false} is VALID [2020-07-18 05:16:33,523 INFO L280 TraceCheckUtils]: 17: Hoare triple {105#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {105#false} is VALID [2020-07-18 05:16:33,523 INFO L280 TraceCheckUtils]: 18: Hoare triple {105#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {105#false} is VALID [2020-07-18 05:16:33,524 INFO L280 TraceCheckUtils]: 19: Hoare triple {105#false} havoc #t~mem13.base, #t~mem13.offset; {105#false} is VALID [2020-07-18 05:16:33,524 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 [2020-07-18 05:16:33,524 INFO L280 TraceCheckUtils]: 21: Hoare triple {105#false} #t~short9 := 0 != #t~mem7; {105#false} is VALID [2020-07-18 05:16:33,525 INFO L280 TraceCheckUtils]: 22: Hoare triple {105#false} assume #t~short9; {105#false} is VALID [2020-07-18 05:16:33,525 INFO L280 TraceCheckUtils]: 23: Hoare triple {105#false} #t~short11 := #t~short9; {105#false} is VALID [2020-07-18 05:16:33,525 INFO L280 TraceCheckUtils]: 24: Hoare triple {105#false} assume #t~short11; {105#false} is VALID [2020-07-18 05:16:33,526 INFO L280 TraceCheckUtils]: 25: Hoare triple {105#false} assume #t~short11; {105#false} is VALID [2020-07-18 05:16:33,526 INFO L280 TraceCheckUtils]: 26: Hoare triple {105#false} havoc #t~mem8; {105#false} is VALID [2020-07-18 05:16:33,527 INFO L280 TraceCheckUtils]: 27: Hoare triple {105#false} havoc #t~mem10; {105#false} is VALID [2020-07-18 05:16:33,527 INFO L280 TraceCheckUtils]: 28: Hoare triple {105#false} havoc #t~short9; {105#false} is VALID [2020-07-18 05:16:33,527 INFO L280 TraceCheckUtils]: 29: Hoare triple {105#false} havoc #t~short11; {105#false} is VALID [2020-07-18 05:16:33,528 INFO L280 TraceCheckUtils]: 30: Hoare triple {105#false} havoc #t~mem7; {105#false} is VALID [2020-07-18 05:16:33,528 INFO L280 TraceCheckUtils]: 31: Hoare triple {105#false} assume !false; {105#false} is VALID [2020-07-18 05:16:33,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:33,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181791127] [2020-07-18 05:16:33,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:33,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:16:33,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089890662] [2020-07-18 05:16:33,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-18 05:16:33,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:33,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:16:33,661 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:33,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:16:33,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:33,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:16:33,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:16:33,680 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 4 states. [2020-07-18 05:16:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:34,984 INFO L93 Difference]: Finished difference Result 230 states and 265 transitions. [2020-07-18 05:16:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:16:34,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-18 05:16:34,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2020-07-18 05:16:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2020-07-18 05:16:35,025 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 265 transitions. [2020-07-18 05:16:35,392 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 265 edges. 265 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:35,437 INFO L225 Difference]: With dead ends: 230 [2020-07-18 05:16:35,437 INFO L226 Difference]: Without dead ends: 153 [2020-07-18 05:16:35,446 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 [2020-07-18 05:16:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-18 05:16:35,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 92. [2020-07-18 05:16:35,556 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:35,557 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 92 states. [2020-07-18 05:16:35,557 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 92 states. [2020-07-18 05:16:35,558 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 92 states. [2020-07-18 05:16:35,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:35,570 INFO L93 Difference]: Finished difference Result 153 states and 169 transitions. [2020-07-18 05:16:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2020-07-18 05:16:35,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:35,573 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:35,573 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 153 states. [2020-07-18 05:16:35,573 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 153 states. [2020-07-18 05:16:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:35,584 INFO L93 Difference]: Finished difference Result 153 states and 169 transitions. [2020-07-18 05:16:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2020-07-18 05:16:35,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:35,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:35,586 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:35,587 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-18 05:16:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2020-07-18 05:16:35,593 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 32 [2020-07-18 05:16:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:35,594 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2020-07-18 05:16:35,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:16:35,594 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 101 transitions. [2020-07-18 05:16:35,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-18 05:16:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 05:16:35,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:35,720 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] [2020-07-18 05:16:35,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:16:35,720 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:35,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:35,721 INFO L82 PathProgramCache]: Analyzing trace with hash 272796752, now seen corresponding path program 1 times [2020-07-18 05:16:35,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:35,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590414802] [2020-07-18 05:16:35,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:35,804 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 [2020-07-18 05:16:35,805 INFO L280 TraceCheckUtils]: 1: Hoare triple {1074#true} #valid := #valid[0 := 0]; {1074#true} is VALID [2020-07-18 05:16:35,805 INFO L280 TraceCheckUtils]: 2: Hoare triple {1074#true} assume 0 < #StackHeapBarrier; {1074#true} is VALID [2020-07-18 05:16:35,805 INFO L280 TraceCheckUtils]: 3: Hoare triple {1074#true} assume true; {1074#true} is VALID [2020-07-18 05:16:35,806 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1074#true} {1074#true} #188#return; {1074#true} is VALID [2020-07-18 05:16:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:35,877 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 [2020-07-18 05:16:35,878 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 [2020-07-18 05:16:35,879 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 [2020-07-18 05:16:35,880 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 [2020-07-18 05:16:35,880 INFO L280 TraceCheckUtils]: 4: Hoare triple {1091#(<= |dll_create_#in~len| 0)} assume true; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-18 05:16:35,882 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1091#(<= |dll_create_#in~len| 0)} {1081#(<= 5 main_~len~0)} #184#return; {1075#false} is VALID [2020-07-18 05:16:35,883 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 [2020-07-18 05:16:35,884 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 [2020-07-18 05:16:35,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {1074#true} #valid := #valid[0 := 0]; {1074#true} is VALID [2020-07-18 05:16:35,884 INFO L280 TraceCheckUtils]: 3: Hoare triple {1074#true} assume 0 < #StackHeapBarrier; {1074#true} is VALID [2020-07-18 05:16:35,885 INFO L280 TraceCheckUtils]: 4: Hoare triple {1074#true} assume true; {1074#true} is VALID [2020-07-18 05:16:35,885 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1074#true} {1074#true} #188#return; {1074#true} is VALID [2020-07-18 05:16:35,885 INFO L263 TraceCheckUtils]: 6: Hoare triple {1074#true} call #t~ret20 := main(); {1074#true} is VALID [2020-07-18 05:16:35,886 INFO L280 TraceCheckUtils]: 7: Hoare triple {1074#true} ~len~0 := 5; {1081#(<= 5 main_~len~0)} is VALID [2020-07-18 05:16:35,887 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$.offset)|))} is VALID [2020-07-18 05:16:35,888 INFO L280 TraceCheckUtils]: 9: Hoare triple {1089#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1090#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:35,889 INFO L280 TraceCheckUtils]: 10: Hoare triple {1090#(= dll_create_~len |dll_create_#in~len|)} ~head~0.base, ~head~0.offset := 0, 0; {1090#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:35,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {1090#(= dll_create_~len |dll_create_#in~len|)} assume !(~len > 0); {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-18 05:16:35,896 INFO L280 TraceCheckUtils]: 12: Hoare triple {1091#(<= |dll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-18 05:16:35,897 INFO L280 TraceCheckUtils]: 13: Hoare triple {1091#(<= |dll_create_#in~len| 0)} assume true; {1091#(<= |dll_create_#in~len| 0)} is VALID [2020-07-18 05:16:35,899 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1091#(<= |dll_create_#in~len| 0)} {1081#(<= 5 main_~len~0)} #184#return; {1075#false} is VALID [2020-07-18 05:16:35,899 INFO L280 TraceCheckUtils]: 15: Hoare triple {1075#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {1075#false} is VALID [2020-07-18 05:16:35,900 INFO L280 TraceCheckUtils]: 16: Hoare triple {1075#false} havoc #t~ret6.base, #t~ret6.offset; {1075#false} is VALID [2020-07-18 05:16:35,900 INFO L280 TraceCheckUtils]: 17: Hoare triple {1075#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {1075#false} is VALID [2020-07-18 05:16:35,900 INFO L280 TraceCheckUtils]: 18: Hoare triple {1075#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {1075#false} is VALID [2020-07-18 05:16:35,900 INFO L280 TraceCheckUtils]: 19: Hoare triple {1075#false} havoc #t~mem13.base, #t~mem13.offset; {1075#false} is VALID [2020-07-18 05:16:35,901 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 [2020-07-18 05:16:35,901 INFO L280 TraceCheckUtils]: 21: Hoare triple {1075#false} #t~short9 := 0 != #t~mem7; {1075#false} is VALID [2020-07-18 05:16:35,901 INFO L280 TraceCheckUtils]: 22: Hoare triple {1075#false} assume #t~short9; {1075#false} is VALID [2020-07-18 05:16:35,902 INFO L280 TraceCheckUtils]: 23: Hoare triple {1075#false} #t~short11 := #t~short9; {1075#false} is VALID [2020-07-18 05:16:35,902 INFO L280 TraceCheckUtils]: 24: Hoare triple {1075#false} assume #t~short11; {1075#false} is VALID [2020-07-18 05:16:35,902 INFO L280 TraceCheckUtils]: 25: Hoare triple {1075#false} assume #t~short11; {1075#false} is VALID [2020-07-18 05:16:35,902 INFO L280 TraceCheckUtils]: 26: Hoare triple {1075#false} havoc #t~mem8; {1075#false} is VALID [2020-07-18 05:16:35,903 INFO L280 TraceCheckUtils]: 27: Hoare triple {1075#false} havoc #t~mem10; {1075#false} is VALID [2020-07-18 05:16:35,903 INFO L280 TraceCheckUtils]: 28: Hoare triple {1075#false} havoc #t~short9; {1075#false} is VALID [2020-07-18 05:16:35,903 INFO L280 TraceCheckUtils]: 29: Hoare triple {1075#false} havoc #t~short11; {1075#false} is VALID [2020-07-18 05:16:35,903 INFO L280 TraceCheckUtils]: 30: Hoare triple {1075#false} havoc #t~mem7; {1075#false} is VALID [2020-07-18 05:16:35,904 INFO L280 TraceCheckUtils]: 31: Hoare triple {1075#false} assume !false; {1075#false} is VALID [2020-07-18 05:16:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:35,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590414802] [2020-07-18 05:16:35,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:35,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 05:16:35,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700561397] [2020-07-18 05:16:35,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-07-18 05:16:35,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:35,909 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 05:16:35,948 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:35,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 05:16:35,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:35,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 05:16:35,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 05:16:35,949 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 7 states. [2020-07-18 05:16:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:36,950 INFO L93 Difference]: Finished difference Result 172 states and 190 transitions. [2020-07-18 05:16:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 05:16:36,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-07-18 05:16:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:16:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2020-07-18 05:16:36,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:16:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2020-07-18 05:16:36,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 190 transitions. [2020-07-18 05:16:37,175 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:37,180 INFO L225 Difference]: With dead ends: 172 [2020-07-18 05:16:37,180 INFO L226 Difference]: Without dead ends: 112 [2020-07-18 05:16:37,182 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 [2020-07-18 05:16:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-18 05:16:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2020-07-18 05:16:37,270 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:37,270 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 93 states. [2020-07-18 05:16:37,270 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 93 states. [2020-07-18 05:16:37,270 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 93 states. [2020-07-18 05:16:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:37,278 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2020-07-18 05:16:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2020-07-18 05:16:37,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:37,280 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:37,280 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 112 states. [2020-07-18 05:16:37,280 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 112 states. [2020-07-18 05:16:37,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:37,287 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2020-07-18 05:16:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2020-07-18 05:16:37,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:37,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:37,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:37,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-18 05:16:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2020-07-18 05:16:37,295 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 32 [2020-07-18 05:16:37,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:37,295 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2020-07-18 05:16:37,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 05:16:37,295 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 93 states and 102 transitions. [2020-07-18 05:16:37,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2020-07-18 05:16:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-18 05:16:37,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:37,422 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] [2020-07-18 05:16:37,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:16:37,422 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:37,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:37,423 INFO L82 PathProgramCache]: Analyzing trace with hash -54471897, now seen corresponding path program 1 times [2020-07-18 05:16:37,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:37,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689300029] [2020-07-18 05:16:37,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:37,552 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 [2020-07-18 05:16:37,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {1857#true} #valid := #valid[0 := 0]; {1857#true} is VALID [2020-07-18 05:16:37,553 INFO L280 TraceCheckUtils]: 2: Hoare triple {1857#true} assume 0 < #StackHeapBarrier; {1857#true} is VALID [2020-07-18 05:16:37,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {1857#true} assume true; {1857#true} is VALID [2020-07-18 05:16:37,553 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1857#true} {1857#true} #188#return; {1857#true} is VALID [2020-07-18 05:16:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:37,702 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 [2020-07-18 05:16:37,703 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 [2020-07-18 05:16:37,704 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 [2020-07-18 05:16:37,707 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 [2020-07-18 05:16:37,708 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 [2020-07-18 05:16:37,708 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 [2020-07-18 05:16:37,710 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 [2020-07-18 05:16:37,712 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 [2020-07-18 05:16:37,713 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 [2020-07-18 05:16:37,714 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 [2020-07-18 05:16:37,714 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 [2020-07-18 05:16:37,715 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 [2020-07-18 05:16:37,717 INFO L280 TraceCheckUtils]: 12: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:37,718 INFO L280 TraceCheckUtils]: 13: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:37,724 INFO L280 TraceCheckUtils]: 14: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:37,725 INFO L280 TraceCheckUtils]: 15: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:37,725 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 [2020-07-18 05:16:37,726 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 [2020-07-18 05:16:37,731 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 [2020-07-18 05:16:37,732 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 [2020-07-18 05:16:37,734 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 [2020-07-18 05:16:37,735 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 [2020-07-18 05:16:37,735 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 [2020-07-18 05:16:37,736 INFO L280 TraceCheckUtils]: 23: Hoare triple {1895#(<= |dll_create_#in~len| 1)} assume true; {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-18 05:16:37,737 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1895#(<= |dll_create_#in~len| 1)} {1864#(<= 5 main_~len~0)} #184#return; {1858#false} is VALID [2020-07-18 05:16:37,740 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 [2020-07-18 05:16:37,740 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 [2020-07-18 05:16:37,740 INFO L280 TraceCheckUtils]: 2: Hoare triple {1857#true} #valid := #valid[0 := 0]; {1857#true} is VALID [2020-07-18 05:16:37,741 INFO L280 TraceCheckUtils]: 3: Hoare triple {1857#true} assume 0 < #StackHeapBarrier; {1857#true} is VALID [2020-07-18 05:16:37,741 INFO L280 TraceCheckUtils]: 4: Hoare triple {1857#true} assume true; {1857#true} is VALID [2020-07-18 05:16:37,741 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1857#true} {1857#true} #188#return; {1857#true} is VALID [2020-07-18 05:16:37,741 INFO L263 TraceCheckUtils]: 6: Hoare triple {1857#true} call #t~ret20 := main(); {1857#true} is VALID [2020-07-18 05:16:37,745 INFO L280 TraceCheckUtils]: 7: Hoare triple {1857#true} ~len~0 := 5; {1864#(<= 5 main_~len~0)} is VALID [2020-07-18 05:16:37,758 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$.offset)|))} is VALID [2020-07-18 05:16:37,759 INFO L280 TraceCheckUtils]: 9: Hoare triple {1891#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 [2020-07-18 05:16:37,759 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 [2020-07-18 05:16:37,760 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 [2020-07-18 05:16:37,763 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 [2020-07-18 05:16:37,764 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 [2020-07-18 05:16:37,764 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 [2020-07-18 05:16:37,765 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 [2020-07-18 05:16:37,765 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 [2020-07-18 05:16:37,766 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 [2020-07-18 05:16:37,766 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 [2020-07-18 05:16:37,767 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 [2020-07-18 05:16:37,767 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 [2020-07-18 05:16:37,768 INFO L280 TraceCheckUtils]: 21: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:37,769 INFO L280 TraceCheckUtils]: 22: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:37,769 INFO L280 TraceCheckUtils]: 23: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {1892#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:37,770 INFO L280 TraceCheckUtils]: 24: Hoare triple {1892#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:37,770 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 [2020-07-18 05:16:37,770 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 [2020-07-18 05:16:37,771 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 [2020-07-18 05:16:37,772 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 [2020-07-18 05:16:37,772 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 [2020-07-18 05:16:37,773 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 [2020-07-18 05:16:37,773 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 [2020-07-18 05:16:37,774 INFO L280 TraceCheckUtils]: 32: Hoare triple {1895#(<= |dll_create_#in~len| 1)} assume true; {1895#(<= |dll_create_#in~len| 1)} is VALID [2020-07-18 05:16:37,775 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1895#(<= |dll_create_#in~len| 1)} {1864#(<= 5 main_~len~0)} #184#return; {1858#false} is VALID [2020-07-18 05:16:37,775 INFO L280 TraceCheckUtils]: 34: Hoare triple {1858#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {1858#false} is VALID [2020-07-18 05:16:37,775 INFO L280 TraceCheckUtils]: 35: Hoare triple {1858#false} havoc #t~ret6.base, #t~ret6.offset; {1858#false} is VALID [2020-07-18 05:16:37,775 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 [2020-07-18 05:16:37,775 INFO L280 TraceCheckUtils]: 37: Hoare triple {1858#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {1858#false} is VALID [2020-07-18 05:16:37,776 INFO L280 TraceCheckUtils]: 38: Hoare triple {1858#false} havoc #t~mem13.base, #t~mem13.offset; {1858#false} is VALID [2020-07-18 05:16:37,776 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 [2020-07-18 05:16:37,776 INFO L280 TraceCheckUtils]: 40: Hoare triple {1858#false} #t~short9 := 0 != #t~mem7; {1858#false} is VALID [2020-07-18 05:16:37,776 INFO L280 TraceCheckUtils]: 41: Hoare triple {1858#false} assume #t~short9; {1858#false} is VALID [2020-07-18 05:16:37,777 INFO L280 TraceCheckUtils]: 42: Hoare triple {1858#false} #t~short11 := #t~short9; {1858#false} is VALID [2020-07-18 05:16:37,777 INFO L280 TraceCheckUtils]: 43: Hoare triple {1858#false} assume #t~short11; {1858#false} is VALID [2020-07-18 05:16:37,777 INFO L280 TraceCheckUtils]: 44: Hoare triple {1858#false} assume #t~short11; {1858#false} is VALID [2020-07-18 05:16:37,777 INFO L280 TraceCheckUtils]: 45: Hoare triple {1858#false} havoc #t~mem8; {1858#false} is VALID [2020-07-18 05:16:37,778 INFO L280 TraceCheckUtils]: 46: Hoare triple {1858#false} havoc #t~mem10; {1858#false} is VALID [2020-07-18 05:16:37,778 INFO L280 TraceCheckUtils]: 47: Hoare triple {1858#false} havoc #t~short9; {1858#false} is VALID [2020-07-18 05:16:37,778 INFO L280 TraceCheckUtils]: 48: Hoare triple {1858#false} havoc #t~short11; {1858#false} is VALID [2020-07-18 05:16:37,778 INFO L280 TraceCheckUtils]: 49: Hoare triple {1858#false} havoc #t~mem7; {1858#false} is VALID [2020-07-18 05:16:37,779 INFO L280 TraceCheckUtils]: 50: Hoare triple {1858#false} assume !false; {1858#false} is VALID [2020-07-18 05:16:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:37,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689300029] [2020-07-18 05:16:37,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:37,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-18 05:16:37,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408255752] [2020-07-18 05:16:37,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-18 05:16:37,787 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:37,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-18 05:16:37,847 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:37,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-18 05:16:37,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:37,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-18 05:16:37,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-18 05:16:37,848 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 9 states. [2020-07-18 05:16:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:39,012 INFO L93 Difference]: Finished difference Result 193 states and 213 transitions. [2020-07-18 05:16:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-18 05:16:39,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-07-18 05:16:39,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 05:16:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 213 transitions. [2020-07-18 05:16:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 05:16:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 213 transitions. [2020-07-18 05:16:39,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 213 transitions. [2020-07-18 05:16:39,264 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 213 edges. 213 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:39,270 INFO L225 Difference]: With dead ends: 193 [2020-07-18 05:16:39,271 INFO L226 Difference]: Without dead ends: 133 [2020-07-18 05:16:39,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-07-18 05:16:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-18 05:16:39,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 114. [2020-07-18 05:16:39,394 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:39,394 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 114 states. [2020-07-18 05:16:39,394 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 114 states. [2020-07-18 05:16:39,394 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 114 states. [2020-07-18 05:16:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:39,399 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2020-07-18 05:16:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2020-07-18 05:16:39,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:39,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:39,401 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 133 states. [2020-07-18 05:16:39,401 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 133 states. [2020-07-18 05:16:39,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:39,406 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2020-07-18 05:16:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2020-07-18 05:16:39,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:39,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:39,407 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:39,407 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-18 05:16:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2020-07-18 05:16:39,412 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 51 [2020-07-18 05:16:39,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:39,412 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2020-07-18 05:16:39,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-18 05:16:39,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 125 transitions. [2020-07-18 05:16:39,568 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2020-07-18 05:16:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-18 05:16:39,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:39,571 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] [2020-07-18 05:16:39,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:16:39,572 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:39,572 INFO L82 PathProgramCache]: Analyzing trace with hash -586426640, now seen corresponding path program 2 times [2020-07-18 05:16:39,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:39,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325699774] [2020-07-18 05:16:39,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:39,667 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 [2020-07-18 05:16:39,667 INFO L280 TraceCheckUtils]: 1: Hoare triple {2791#true} #valid := #valid[0 := 0]; {2791#true} is VALID [2020-07-18 05:16:39,667 INFO L280 TraceCheckUtils]: 2: Hoare triple {2791#true} assume 0 < #StackHeapBarrier; {2791#true} is VALID [2020-07-18 05:16:39,668 INFO L280 TraceCheckUtils]: 3: Hoare triple {2791#true} assume true; {2791#true} is VALID [2020-07-18 05:16:39,668 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2791#true} {2791#true} #188#return; {2791#true} is VALID [2020-07-18 05:16:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:39,761 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 [2020-07-18 05:16:39,761 INFO L280 TraceCheckUtils]: 1: Hoare triple {2791#true} ~head~0.base, ~head~0.offset := 0, 0; {2791#true} is VALID [2020-07-18 05:16:39,761 INFO L280 TraceCheckUtils]: 2: Hoare triple {2791#true} assume !!(~len > 0); {2791#true} is VALID [2020-07-18 05:16:39,762 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 [2020-07-18 05:16:39,763 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 [2020-07-18 05:16:39,764 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 [2020-07-18 05:16:39,765 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 [2020-07-18 05:16:39,765 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 [2020-07-18 05:16:39,766 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 [2020-07-18 05:16:39,767 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 [2020-07-18 05:16:39,767 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 [2020-07-18 05:16:39,768 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 [2020-07-18 05:16:39,769 INFO L280 TraceCheckUtils]: 12: 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 [2020-07-18 05:16:39,769 INFO L280 TraceCheckUtils]: 13: 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 [2020-07-18 05:16:39,770 INFO L280 TraceCheckUtils]: 14: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:39,771 INFO L280 TraceCheckUtils]: 15: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:39,771 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 [2020-07-18 05:16:39,772 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 [2020-07-18 05:16:39,772 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 [2020-07-18 05:16:39,773 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 [2020-07-18 05:16:39,774 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 [2020-07-18 05:16:39,775 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 [2020-07-18 05:16:39,776 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 [2020-07-18 05:16:39,776 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 [2020-07-18 05:16:39,777 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 [2020-07-18 05:16:39,777 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 [2020-07-18 05:16:39,778 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 [2020-07-18 05:16:39,779 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 [2020-07-18 05:16:39,780 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 [2020-07-18 05:16:39,780 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 [2020-07-18 05:16:39,781 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 [2020-07-18 05:16:39,785 INFO L280 TraceCheckUtils]: 31: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~ite4; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,789 INFO L280 TraceCheckUtils]: 32: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~nondet3; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,790 INFO L280 TraceCheckUtils]: 33: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,791 INFO L280 TraceCheckUtils]: 34: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:39,792 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 [2020-07-18 05:16:39,792 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 [2020-07-18 05:16:39,793 INFO L280 TraceCheckUtils]: 37: Hoare triple {2792#false} #t~post5 := ~len; {2792#false} is VALID [2020-07-18 05:16:39,793 INFO L280 TraceCheckUtils]: 38: Hoare triple {2792#false} ~len := #t~post5 - 1; {2792#false} is VALID [2020-07-18 05:16:39,793 INFO L280 TraceCheckUtils]: 39: Hoare triple {2792#false} havoc #t~post5; {2792#false} is VALID [2020-07-18 05:16:39,794 INFO L280 TraceCheckUtils]: 40: Hoare triple {2792#false} assume !(~len > 0); {2792#false} is VALID [2020-07-18 05:16:39,794 INFO L280 TraceCheckUtils]: 41: Hoare triple {2792#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2792#false} is VALID [2020-07-18 05:16:39,794 INFO L280 TraceCheckUtils]: 42: Hoare triple {2792#false} assume true; {2792#false} is VALID [2020-07-18 05:16:39,794 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2792#false} {2791#true} #184#return; {2792#false} is VALID [2020-07-18 05:16:39,799 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 [2020-07-18 05:16:39,800 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 [2020-07-18 05:16:39,800 INFO L280 TraceCheckUtils]: 2: Hoare triple {2791#true} #valid := #valid[0 := 0]; {2791#true} is VALID [2020-07-18 05:16:39,800 INFO L280 TraceCheckUtils]: 3: Hoare triple {2791#true} assume 0 < #StackHeapBarrier; {2791#true} is VALID [2020-07-18 05:16:39,800 INFO L280 TraceCheckUtils]: 4: Hoare triple {2791#true} assume true; {2791#true} is VALID [2020-07-18 05:16:39,801 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2791#true} {2791#true} #188#return; {2791#true} is VALID [2020-07-18 05:16:39,801 INFO L263 TraceCheckUtils]: 6: Hoare triple {2791#true} call #t~ret20 := main(); {2791#true} is VALID [2020-07-18 05:16:39,801 INFO L280 TraceCheckUtils]: 7: Hoare triple {2791#true} ~len~0 := 5; {2791#true} is VALID [2020-07-18 05:16:39,803 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$.offset)|))} is VALID [2020-07-18 05:16:39,803 INFO L280 TraceCheckUtils]: 9: Hoare triple {2843#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2791#true} is VALID [2020-07-18 05:16:39,803 INFO L280 TraceCheckUtils]: 10: Hoare triple {2791#true} ~head~0.base, ~head~0.offset := 0, 0; {2791#true} is VALID [2020-07-18 05:16:39,804 INFO L280 TraceCheckUtils]: 11: Hoare triple {2791#true} assume !!(~len > 0); {2791#true} is VALID [2020-07-18 05:16:39,804 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 [2020-07-18 05:16:39,805 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 [2020-07-18 05:16:39,806 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 [2020-07-18 05:16:39,807 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 [2020-07-18 05:16:39,808 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 [2020-07-18 05:16:39,808 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 [2020-07-18 05:16:39,809 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 [2020-07-18 05:16:39,810 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 [2020-07-18 05:16:39,810 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 [2020-07-18 05:16:39,811 INFO L280 TraceCheckUtils]: 21: 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 [2020-07-18 05:16:39,812 INFO L280 TraceCheckUtils]: 22: 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 [2020-07-18 05:16:39,812 INFO L280 TraceCheckUtils]: 23: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2845#(not (= 0 dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:39,813 INFO L280 TraceCheckUtils]: 24: Hoare triple {2845#(not (= 0 dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:39,814 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 [2020-07-18 05:16:39,815 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 [2020-07-18 05:16:39,816 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 [2020-07-18 05:16:39,816 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 [2020-07-18 05:16:39,817 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 [2020-07-18 05:16:39,818 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 [2020-07-18 05:16:39,818 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 [2020-07-18 05:16:39,819 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 [2020-07-18 05:16:39,819 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 [2020-07-18 05:16:39,820 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 [2020-07-18 05:16:39,821 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 [2020-07-18 05:16:39,822 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 [2020-07-18 05:16:39,823 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 [2020-07-18 05:16:39,825 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 [2020-07-18 05:16:39,827 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 [2020-07-18 05:16:39,829 INFO L280 TraceCheckUtils]: 40: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~ite4; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,829 INFO L280 TraceCheckUtils]: 41: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} havoc #t~nondet3; {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,829 INFO L280 TraceCheckUtils]: 42: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,830 INFO L280 TraceCheckUtils]: 43: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {2846#(not (= 0 dll_create_~head~0.base))} is VALID [2020-07-18 05:16:39,830 INFO L280 TraceCheckUtils]: 44: Hoare triple {2846#(not (= 0 dll_create_~head~0.base))} assume !(~head~0.base != 0 || ~head~0.offset != 0); {2792#false} is VALID [2020-07-18 05:16:39,830 INFO L280 TraceCheckUtils]: 45: Hoare triple {2792#false} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2792#false} is VALID [2020-07-18 05:16:39,831 INFO L280 TraceCheckUtils]: 46: Hoare triple {2792#false} #t~post5 := ~len; {2792#false} is VALID [2020-07-18 05:16:39,831 INFO L280 TraceCheckUtils]: 47: Hoare triple {2792#false} ~len := #t~post5 - 1; {2792#false} is VALID [2020-07-18 05:16:39,831 INFO L280 TraceCheckUtils]: 48: Hoare triple {2792#false} havoc #t~post5; {2792#false} is VALID [2020-07-18 05:16:39,831 INFO L280 TraceCheckUtils]: 49: Hoare triple {2792#false} assume !(~len > 0); {2792#false} is VALID [2020-07-18 05:16:39,831 INFO L280 TraceCheckUtils]: 50: Hoare triple {2792#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2792#false} is VALID [2020-07-18 05:16:39,832 INFO L280 TraceCheckUtils]: 51: Hoare triple {2792#false} assume true; {2792#false} is VALID [2020-07-18 05:16:39,832 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2792#false} {2791#true} #184#return; {2792#false} is VALID [2020-07-18 05:16:39,832 INFO L280 TraceCheckUtils]: 53: Hoare triple {2792#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {2792#false} is VALID [2020-07-18 05:16:39,832 INFO L280 TraceCheckUtils]: 54: Hoare triple {2792#false} havoc #t~ret6.base, #t~ret6.offset; {2792#false} is VALID [2020-07-18 05:16:39,833 INFO L280 TraceCheckUtils]: 55: Hoare triple {2792#false} SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {2792#false} is VALID [2020-07-18 05:16:39,833 INFO L280 TraceCheckUtils]: 56: Hoare triple {2792#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {2792#false} is VALID [2020-07-18 05:16:39,833 INFO L280 TraceCheckUtils]: 57: Hoare triple {2792#false} havoc #t~mem13.base, #t~mem13.offset; {2792#false} is VALID [2020-07-18 05:16:39,833 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 [2020-07-18 05:16:39,833 INFO L280 TraceCheckUtils]: 59: Hoare triple {2792#false} #t~short9 := 0 != #t~mem7; {2792#false} is VALID [2020-07-18 05:16:39,834 INFO L280 TraceCheckUtils]: 60: Hoare triple {2792#false} assume #t~short9; {2792#false} is VALID [2020-07-18 05:16:39,834 INFO L280 TraceCheckUtils]: 61: Hoare triple {2792#false} #t~short11 := #t~short9; {2792#false} is VALID [2020-07-18 05:16:39,834 INFO L280 TraceCheckUtils]: 62: Hoare triple {2792#false} assume #t~short11; {2792#false} is VALID [2020-07-18 05:16:39,834 INFO L280 TraceCheckUtils]: 63: Hoare triple {2792#false} assume #t~short11; {2792#false} is VALID [2020-07-18 05:16:39,834 INFO L280 TraceCheckUtils]: 64: Hoare triple {2792#false} havoc #t~mem8; {2792#false} is VALID [2020-07-18 05:16:39,835 INFO L280 TraceCheckUtils]: 65: Hoare triple {2792#false} havoc #t~mem10; {2792#false} is VALID [2020-07-18 05:16:39,835 INFO L280 TraceCheckUtils]: 66: Hoare triple {2792#false} havoc #t~short9; {2792#false} is VALID [2020-07-18 05:16:39,835 INFO L280 TraceCheckUtils]: 67: Hoare triple {2792#false} havoc #t~short11; {2792#false} is VALID [2020-07-18 05:16:39,835 INFO L280 TraceCheckUtils]: 68: Hoare triple {2792#false} havoc #t~mem7; {2792#false} is VALID [2020-07-18 05:16:39,836 INFO L280 TraceCheckUtils]: 69: Hoare triple {2792#false} assume !false; {2792#false} is VALID [2020-07-18 05:16:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:39,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325699774] [2020-07-18 05:16:39,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:39,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 05:16:39,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623552219] [2020-07-18 05:16:39,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-18 05:16:39,859 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:39,860 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 05:16:39,928 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:39,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 05:16:39,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:39,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 05:16:39,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 05:16:39,930 INFO L87 Difference]: Start difference. First operand 114 states and 125 transitions. Second operand 7 states. [2020-07-18 05:16:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:40,913 INFO L93 Difference]: Finished difference Result 195 states and 215 transitions. [2020-07-18 05:16:40,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 05:16:40,914 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-18 05:16:40,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:16:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 211 transitions. [2020-07-18 05:16:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:16:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 211 transitions. [2020-07-18 05:16:40,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 211 transitions. [2020-07-18 05:16:41,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 211 edges. 211 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:41,171 INFO L225 Difference]: With dead ends: 195 [2020-07-18 05:16:41,171 INFO L226 Difference]: Without dead ends: 114 [2020-07-18 05:16:41,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-18 05:16:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-18 05:16:41,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-18 05:16:41,353 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:41,353 INFO L82 GeneralOperation]: Start isEquivalent. First operand 114 states. Second operand 114 states. [2020-07-18 05:16:41,353 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 114 states. [2020-07-18 05:16:41,353 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 114 states. [2020-07-18 05:16:41,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:41,358 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2020-07-18 05:16:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2020-07-18 05:16:41,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:41,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:41,359 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 114 states. [2020-07-18 05:16:41,359 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 114 states. [2020-07-18 05:16:41,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:41,364 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2020-07-18 05:16:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2020-07-18 05:16:41,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:41,365 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:41,365 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:41,365 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-18 05:16:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2020-07-18 05:16:41,369 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 70 [2020-07-18 05:16:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:41,369 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2020-07-18 05:16:41,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 05:16:41,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 124 transitions. [2020-07-18 05:16:41,521 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2020-07-18 05:16:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-18 05:16:41,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:41,524 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] [2020-07-18 05:16:41,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:16:41,524 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:41,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1356086606, now seen corresponding path program 1 times [2020-07-18 05:16:41,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:41,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191203974] [2020-07-18 05:16:41,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:41,634 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 [2020-07-18 05:16:41,634 INFO L280 TraceCheckUtils]: 1: Hoare triple {3703#true} #valid := #valid[0 := 0]; {3703#true} is VALID [2020-07-18 05:16:41,634 INFO L280 TraceCheckUtils]: 2: Hoare triple {3703#true} assume 0 < #StackHeapBarrier; {3703#true} is VALID [2020-07-18 05:16:41,635 INFO L280 TraceCheckUtils]: 3: Hoare triple {3703#true} assume true; {3703#true} is VALID [2020-07-18 05:16:41,635 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3703#true} {3703#true} #188#return; {3703#true} is VALID [2020-07-18 05:16:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:41,803 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 [2020-07-18 05:16:41,804 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 [2020-07-18 05:16:41,805 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 [2020-07-18 05:16:41,806 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 [2020-07-18 05:16:41,806 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 [2020-07-18 05:16:41,807 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 [2020-07-18 05:16:41,808 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 [2020-07-18 05:16:41,808 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 [2020-07-18 05:16:41,809 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 [2020-07-18 05:16:41,809 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 [2020-07-18 05:16:41,810 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 [2020-07-18 05:16:41,811 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 [2020-07-18 05:16:41,811 INFO L280 TraceCheckUtils]: 12: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:41,812 INFO L280 TraceCheckUtils]: 13: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:41,813 INFO L280 TraceCheckUtils]: 14: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:41,813 INFO L280 TraceCheckUtils]: 15: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:41,814 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 [2020-07-18 05:16:41,816 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 [2020-07-18 05:16:41,817 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 [2020-07-18 05:16:41,818 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 [2020-07-18 05:16:41,819 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 [2020-07-18 05:16:41,820 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 [2020-07-18 05:16:41,820 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 [2020-07-18 05:16:41,821 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 [2020-07-18 05:16:41,822 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 [2020-07-18 05:16:41,823 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 [2020-07-18 05:16:41,824 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 [2020-07-18 05:16:41,827 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 [2020-07-18 05:16:41,828 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 [2020-07-18 05:16:41,829 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 [2020-07-18 05:16:41,829 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 [2020-07-18 05:16:41,830 INFO L280 TraceCheckUtils]: 31: 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 [2020-07-18 05:16:41,831 INFO L280 TraceCheckUtils]: 32: 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 [2020-07-18 05:16:41,831 INFO L280 TraceCheckUtils]: 33: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:41,832 INFO L280 TraceCheckUtils]: 34: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:41,833 INFO L280 TraceCheckUtils]: 35: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:41,844 INFO L280 TraceCheckUtils]: 36: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$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 [2020-07-18 05:16:41,845 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 [2020-07-18 05:16:41,846 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 [2020-07-18 05:16:41,847 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 [2020-07-18 05:16:41,848 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 [2020-07-18 05:16:41,848 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 [2020-07-18 05:16:41,849 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 [2020-07-18 05:16:41,850 INFO L280 TraceCheckUtils]: 43: Hoare triple {3763#(<= |dll_create_#in~len| 2)} assume true; {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-18 05:16:41,852 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3763#(<= |dll_create_#in~len| 2)} {3710#(<= 5 main_~len~0)} #184#return; {3704#false} is VALID [2020-07-18 05:16:41,858 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 [2020-07-18 05:16:41,858 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 [2020-07-18 05:16:41,858 INFO L280 TraceCheckUtils]: 2: Hoare triple {3703#true} #valid := #valid[0 := 0]; {3703#true} is VALID [2020-07-18 05:16:41,859 INFO L280 TraceCheckUtils]: 3: Hoare triple {3703#true} assume 0 < #StackHeapBarrier; {3703#true} is VALID [2020-07-18 05:16:41,859 INFO L280 TraceCheckUtils]: 4: Hoare triple {3703#true} assume true; {3703#true} is VALID [2020-07-18 05:16:41,859 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3703#true} {3703#true} #188#return; {3703#true} is VALID [2020-07-18 05:16:41,859 INFO L263 TraceCheckUtils]: 6: Hoare triple {3703#true} call #t~ret20 := main(); {3703#true} is VALID [2020-07-18 05:16:41,860 INFO L280 TraceCheckUtils]: 7: Hoare triple {3703#true} ~len~0 := 5; {3710#(<= 5 main_~len~0)} is VALID [2020-07-18 05:16:41,862 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$.offset)|))} is VALID [2020-07-18 05:16:41,863 INFO L280 TraceCheckUtils]: 9: Hoare triple {3757#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 [2020-07-18 05:16:41,866 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 [2020-07-18 05:16:41,867 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 [2020-07-18 05:16:41,867 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 [2020-07-18 05:16:41,868 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 [2020-07-18 05:16:41,868 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 [2020-07-18 05:16:41,869 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 [2020-07-18 05:16:41,869 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 [2020-07-18 05:16:41,870 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 [2020-07-18 05:16:41,871 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 [2020-07-18 05:16:41,871 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 [2020-07-18 05:16:41,872 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 [2020-07-18 05:16:41,872 INFO L280 TraceCheckUtils]: 21: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:41,873 INFO L280 TraceCheckUtils]: 22: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:41,874 INFO L280 TraceCheckUtils]: 23: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3758#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:41,874 INFO L280 TraceCheckUtils]: 24: Hoare triple {3758#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:41,875 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 [2020-07-18 05:16:41,875 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 [2020-07-18 05:16:41,876 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 [2020-07-18 05:16:41,877 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 [2020-07-18 05:16:41,878 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 [2020-07-18 05:16:41,879 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 [2020-07-18 05:16:41,879 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 [2020-07-18 05:16:41,880 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 [2020-07-18 05:16:41,880 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 [2020-07-18 05:16:41,881 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 [2020-07-18 05:16:41,881 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 [2020-07-18 05:16:41,882 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 [2020-07-18 05:16:41,882 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 [2020-07-18 05:16:41,883 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 [2020-07-18 05:16:41,884 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 [2020-07-18 05:16:41,884 INFO L280 TraceCheckUtils]: 40: 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 [2020-07-18 05:16:41,885 INFO L280 TraceCheckUtils]: 41: 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 [2020-07-18 05:16:41,885 INFO L280 TraceCheckUtils]: 42: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:41,887 INFO L280 TraceCheckUtils]: 43: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:41,888 INFO L280 TraceCheckUtils]: 44: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:41,889 INFO L280 TraceCheckUtils]: 45: Hoare triple {3760#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$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 [2020-07-18 05:16:41,890 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 [2020-07-18 05:16:41,894 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 [2020-07-18 05:16:41,898 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 [2020-07-18 05:16:41,899 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 [2020-07-18 05:16:41,900 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 [2020-07-18 05:16:41,900 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 [2020-07-18 05:16:41,901 INFO L280 TraceCheckUtils]: 52: Hoare triple {3763#(<= |dll_create_#in~len| 2)} assume true; {3763#(<= |dll_create_#in~len| 2)} is VALID [2020-07-18 05:16:41,902 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {3763#(<= |dll_create_#in~len| 2)} {3710#(<= 5 main_~len~0)} #184#return; {3704#false} is VALID [2020-07-18 05:16:41,903 INFO L280 TraceCheckUtils]: 54: Hoare triple {3704#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {3704#false} is VALID [2020-07-18 05:16:41,903 INFO L280 TraceCheckUtils]: 55: Hoare triple {3704#false} havoc #t~ret6.base, #t~ret6.offset; {3704#false} is VALID [2020-07-18 05:16:41,903 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 [2020-07-18 05:16:41,903 INFO L280 TraceCheckUtils]: 57: Hoare triple {3704#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {3704#false} is VALID [2020-07-18 05:16:41,903 INFO L280 TraceCheckUtils]: 58: Hoare triple {3704#false} havoc #t~mem13.base, #t~mem13.offset; {3704#false} is VALID [2020-07-18 05:16:41,904 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 [2020-07-18 05:16:41,904 INFO L280 TraceCheckUtils]: 60: Hoare triple {3704#false} #t~short9 := 0 != #t~mem7; {3704#false} is VALID [2020-07-18 05:16:41,904 INFO L280 TraceCheckUtils]: 61: Hoare triple {3704#false} assume #t~short9; {3704#false} is VALID [2020-07-18 05:16:41,904 INFO L280 TraceCheckUtils]: 62: Hoare triple {3704#false} #t~short11 := #t~short9; {3704#false} is VALID [2020-07-18 05:16:41,904 INFO L280 TraceCheckUtils]: 63: Hoare triple {3704#false} assume #t~short11; {3704#false} is VALID [2020-07-18 05:16:41,904 INFO L280 TraceCheckUtils]: 64: Hoare triple {3704#false} assume #t~short11; {3704#false} is VALID [2020-07-18 05:16:41,905 INFO L280 TraceCheckUtils]: 65: Hoare triple {3704#false} havoc #t~mem8; {3704#false} is VALID [2020-07-18 05:16:41,905 INFO L280 TraceCheckUtils]: 66: Hoare triple {3704#false} havoc #t~mem10; {3704#false} is VALID [2020-07-18 05:16:41,905 INFO L280 TraceCheckUtils]: 67: Hoare triple {3704#false} havoc #t~short9; {3704#false} is VALID [2020-07-18 05:16:41,905 INFO L280 TraceCheckUtils]: 68: Hoare triple {3704#false} havoc #t~short11; {3704#false} is VALID [2020-07-18 05:16:41,905 INFO L280 TraceCheckUtils]: 69: Hoare triple {3704#false} havoc #t~mem7; {3704#false} is VALID [2020-07-18 05:16:41,905 INFO L280 TraceCheckUtils]: 70: Hoare triple {3704#false} assume !false; {3704#false} is VALID [2020-07-18 05:16:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:41,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191203974] [2020-07-18 05:16:41,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:41,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-18 05:16:41,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122525893] [2020-07-18 05:16:41,916 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-07-18 05:16:41,916 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:41,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-18 05:16:41,996 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:41,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-18 05:16:41,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:41,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-18 05:16:41,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-18 05:16:41,998 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand 11 states. [2020-07-18 05:16:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:43,371 INFO L93 Difference]: Finished difference Result 214 states and 233 transitions. [2020-07-18 05:16:43,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-18 05:16:43,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-07-18 05:16:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 05:16:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 233 transitions. [2020-07-18 05:16:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 05:16:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 233 transitions. [2020-07-18 05:16:43,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 233 transitions. [2020-07-18 05:16:43,655 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:43,660 INFO L225 Difference]: With dead ends: 214 [2020-07-18 05:16:43,660 INFO L226 Difference]: Without dead ends: 154 [2020-07-18 05:16:43,661 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 [2020-07-18 05:16:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-18 05:16:43,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2020-07-18 05:16:43,916 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:43,916 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand 135 states. [2020-07-18 05:16:43,917 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 135 states. [2020-07-18 05:16:43,917 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 135 states. [2020-07-18 05:16:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:43,922 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2020-07-18 05:16:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2020-07-18 05:16:43,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:43,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:43,923 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand 154 states. [2020-07-18 05:16:43,923 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 154 states. [2020-07-18 05:16:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:43,929 INFO L93 Difference]: Finished difference Result 154 states and 166 transitions. [2020-07-18 05:16:43,929 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2020-07-18 05:16:43,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:43,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:43,930 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:43,930 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-18 05:16:43,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2020-07-18 05:16:43,935 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 71 [2020-07-18 05:16:43,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:43,936 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2020-07-18 05:16:43,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-18 05:16:43,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 135 states and 146 transitions. [2020-07-18 05:16:44,136 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2020-07-18 05:16:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-18 05:16:44,138 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:44,138 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] [2020-07-18 05:16:44,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 05:16:44,139 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:44,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1395228995, now seen corresponding path program 2 times [2020-07-18 05:16:44,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:44,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836048729] [2020-07-18 05:16:44,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:44,258 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 [2020-07-18 05:16:44,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {4789#true} #valid := #valid[0 := 0]; {4789#true} is VALID [2020-07-18 05:16:44,258 INFO L280 TraceCheckUtils]: 2: Hoare triple {4789#true} assume 0 < #StackHeapBarrier; {4789#true} is VALID [2020-07-18 05:16:44,258 INFO L280 TraceCheckUtils]: 3: Hoare triple {4789#true} assume true; {4789#true} is VALID [2020-07-18 05:16:44,259 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4789#true} {4789#true} #188#return; {4789#true} is VALID [2020-07-18 05:16:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:44,583 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 [2020-07-18 05:16:44,585 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 [2020-07-18 05:16:44,585 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 [2020-07-18 05:16:44,586 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 [2020-07-18 05:16:44,587 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 [2020-07-18 05:16:44,588 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 [2020-07-18 05:16:44,589 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 [2020-07-18 05:16:44,590 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 [2020-07-18 05:16:44,590 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 [2020-07-18 05:16:44,591 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 [2020-07-18 05:16:44,592 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 [2020-07-18 05:16:44,593 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 [2020-07-18 05:16:44,594 INFO L280 TraceCheckUtils]: 12: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:44,594 INFO L280 TraceCheckUtils]: 13: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:44,595 INFO L280 TraceCheckUtils]: 14: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:44,596 INFO L280 TraceCheckUtils]: 15: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:44,597 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 [2020-07-18 05:16:44,597 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 [2020-07-18 05:16:44,602 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 [2020-07-18 05:16:44,603 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 [2020-07-18 05:16:44,604 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 [2020-07-18 05:16:44,605 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 [2020-07-18 05:16:44,606 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 [2020-07-18 05:16:44,607 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 [2020-07-18 05:16:44,608 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 [2020-07-18 05:16:44,609 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 [2020-07-18 05:16:44,609 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 [2020-07-18 05:16:44,610 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 [2020-07-18 05:16:44,610 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 [2020-07-18 05:16:44,611 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 [2020-07-18 05:16:44,612 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 [2020-07-18 05:16:44,613 INFO L280 TraceCheckUtils]: 31: 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 [2020-07-18 05:16:44,614 INFO L280 TraceCheckUtils]: 32: 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 [2020-07-18 05:16:44,614 INFO L280 TraceCheckUtils]: 33: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:44,615 INFO L280 TraceCheckUtils]: 34: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:44,616 INFO L280 TraceCheckUtils]: 35: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:44,617 INFO L280 TraceCheckUtils]: 36: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$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 [2020-07-18 05:16:44,618 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 [2020-07-18 05:16:44,619 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 [2020-07-18 05:16:44,620 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 [2020-07-18 05:16:44,621 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 [2020-07-18 05:16:44,622 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 [2020-07-18 05:16:44,623 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 [2020-07-18 05:16:44,623 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 [2020-07-18 05:16:44,624 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 [2020-07-18 05:16:44,625 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 [2020-07-18 05:16:44,626 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 [2020-07-18 05:16:44,627 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 [2020-07-18 05:16:44,627 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 [2020-07-18 05:16:44,628 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 [2020-07-18 05:16:44,629 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 [2020-07-18 05:16:44,630 INFO L280 TraceCheckUtils]: 51: 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 [2020-07-18 05:16:44,631 INFO L280 TraceCheckUtils]: 52: 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 [2020-07-18 05:16:44,632 INFO L280 TraceCheckUtils]: 53: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:44,632 INFO L280 TraceCheckUtils]: 54: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:44,633 INFO L280 TraceCheckUtils]: 55: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:44,634 INFO L280 TraceCheckUtils]: 56: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$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 [2020-07-18 05:16:44,635 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 [2020-07-18 05:16:44,636 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 [2020-07-18 05:16:44,637 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 [2020-07-18 05:16:44,640 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 [2020-07-18 05:16:44,642 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 [2020-07-18 05:16:44,642 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 [2020-07-18 05:16:44,643 INFO L280 TraceCheckUtils]: 63: Hoare triple {4871#(<= |dll_create_#in~len| 3)} assume true; {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-18 05:16:44,644 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4871#(<= |dll_create_#in~len| 3)} {4796#(<= 5 main_~len~0)} #184#return; {4790#false} is VALID [2020-07-18 05:16:44,655 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 [2020-07-18 05:16:44,656 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 [2020-07-18 05:16:44,656 INFO L280 TraceCheckUtils]: 2: Hoare triple {4789#true} #valid := #valid[0 := 0]; {4789#true} is VALID [2020-07-18 05:16:44,656 INFO L280 TraceCheckUtils]: 3: Hoare triple {4789#true} assume 0 < #StackHeapBarrier; {4789#true} is VALID [2020-07-18 05:16:44,656 INFO L280 TraceCheckUtils]: 4: Hoare triple {4789#true} assume true; {4789#true} is VALID [2020-07-18 05:16:44,657 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4789#true} {4789#true} #188#return; {4789#true} is VALID [2020-07-18 05:16:44,657 INFO L263 TraceCheckUtils]: 6: Hoare triple {4789#true} call #t~ret20 := main(); {4789#true} is VALID [2020-07-18 05:16:44,658 INFO L280 TraceCheckUtils]: 7: Hoare triple {4789#true} ~len~0 := 5; {4796#(<= 5 main_~len~0)} is VALID [2020-07-18 05:16:44,660 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$.offset)|))} is VALID [2020-07-18 05:16:44,661 INFO L280 TraceCheckUtils]: 9: Hoare triple {4863#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 [2020-07-18 05:16:44,661 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 [2020-07-18 05:16:44,663 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 [2020-07-18 05:16:44,664 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 [2020-07-18 05:16:44,664 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 [2020-07-18 05:16:44,665 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 [2020-07-18 05:16:44,666 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 [2020-07-18 05:16:44,667 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 [2020-07-18 05:16:44,667 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 [2020-07-18 05:16:44,668 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 [2020-07-18 05:16:44,669 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 [2020-07-18 05:16:44,671 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 [2020-07-18 05:16:44,672 INFO L280 TraceCheckUtils]: 21: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:44,672 INFO L280 TraceCheckUtils]: 22: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:44,673 INFO L280 TraceCheckUtils]: 23: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4864#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:44,674 INFO L280 TraceCheckUtils]: 24: Hoare triple {4864#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:44,675 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 [2020-07-18 05:16:44,675 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 [2020-07-18 05:16:44,676 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 [2020-07-18 05:16:44,678 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 [2020-07-18 05:16:44,678 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 [2020-07-18 05:16:44,679 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 [2020-07-18 05:16:44,679 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 [2020-07-18 05:16:44,680 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 [2020-07-18 05:16:44,680 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 [2020-07-18 05:16:44,681 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 [2020-07-18 05:16:44,695 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 [2020-07-18 05:16:44,695 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 [2020-07-18 05:16:44,696 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 [2020-07-18 05:16:44,697 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 [2020-07-18 05:16:44,697 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 [2020-07-18 05:16:44,698 INFO L280 TraceCheckUtils]: 40: 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 [2020-07-18 05:16:44,698 INFO L280 TraceCheckUtils]: 41: 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 [2020-07-18 05:16:44,699 INFO L280 TraceCheckUtils]: 42: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:44,700 INFO L280 TraceCheckUtils]: 43: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:44,700 INFO L280 TraceCheckUtils]: 44: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:44,701 INFO L280 TraceCheckUtils]: 45: Hoare triple {4866#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$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 [2020-07-18 05:16:44,703 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 [2020-07-18 05:16:44,703 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 [2020-07-18 05:16:44,704 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 [2020-07-18 05:16:44,705 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 [2020-07-18 05:16:44,707 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 [2020-07-18 05:16:44,707 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 [2020-07-18 05:16:44,708 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 [2020-07-18 05:16:44,708 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 [2020-07-18 05:16:44,709 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 [2020-07-18 05:16:44,709 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 [2020-07-18 05:16:44,710 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 [2020-07-18 05:16:44,710 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 [2020-07-18 05:16:44,711 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 [2020-07-18 05:16:44,712 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 [2020-07-18 05:16:44,712 INFO L280 TraceCheckUtils]: 60: 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 [2020-07-18 05:16:44,713 INFO L280 TraceCheckUtils]: 61: 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 [2020-07-18 05:16:44,713 INFO L280 TraceCheckUtils]: 62: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:44,714 INFO L280 TraceCheckUtils]: 63: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:44,714 INFO L280 TraceCheckUtils]: 64: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:44,715 INFO L280 TraceCheckUtils]: 65: Hoare triple {4868#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$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 [2020-07-18 05:16:44,715 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 [2020-07-18 05:16:44,716 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 [2020-07-18 05:16:44,717 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 [2020-07-18 05:16:44,718 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 [2020-07-18 05:16:44,719 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 [2020-07-18 05:16:44,719 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 [2020-07-18 05:16:44,720 INFO L280 TraceCheckUtils]: 72: Hoare triple {4871#(<= |dll_create_#in~len| 3)} assume true; {4871#(<= |dll_create_#in~len| 3)} is VALID [2020-07-18 05:16:44,721 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4871#(<= |dll_create_#in~len| 3)} {4796#(<= 5 main_~len~0)} #184#return; {4790#false} is VALID [2020-07-18 05:16:44,722 INFO L280 TraceCheckUtils]: 74: Hoare triple {4790#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {4790#false} is VALID [2020-07-18 05:16:44,722 INFO L280 TraceCheckUtils]: 75: Hoare triple {4790#false} havoc #t~ret6.base, #t~ret6.offset; {4790#false} is VALID [2020-07-18 05:16:44,722 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 [2020-07-18 05:16:44,722 INFO L280 TraceCheckUtils]: 77: Hoare triple {4790#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {4790#false} is VALID [2020-07-18 05:16:44,723 INFO L280 TraceCheckUtils]: 78: Hoare triple {4790#false} havoc #t~mem13.base, #t~mem13.offset; {4790#false} is VALID [2020-07-18 05:16:44,723 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 [2020-07-18 05:16:44,723 INFO L280 TraceCheckUtils]: 80: Hoare triple {4790#false} #t~short9 := 0 != #t~mem7; {4790#false} is VALID [2020-07-18 05:16:44,723 INFO L280 TraceCheckUtils]: 81: Hoare triple {4790#false} assume #t~short9; {4790#false} is VALID [2020-07-18 05:16:44,723 INFO L280 TraceCheckUtils]: 82: Hoare triple {4790#false} #t~short11 := #t~short9; {4790#false} is VALID [2020-07-18 05:16:44,724 INFO L280 TraceCheckUtils]: 83: Hoare triple {4790#false} assume #t~short11; {4790#false} is VALID [2020-07-18 05:16:44,724 INFO L280 TraceCheckUtils]: 84: Hoare triple {4790#false} assume #t~short11; {4790#false} is VALID [2020-07-18 05:16:44,724 INFO L280 TraceCheckUtils]: 85: Hoare triple {4790#false} havoc #t~mem8; {4790#false} is VALID [2020-07-18 05:16:44,724 INFO L280 TraceCheckUtils]: 86: Hoare triple {4790#false} havoc #t~mem10; {4790#false} is VALID [2020-07-18 05:16:44,724 INFO L280 TraceCheckUtils]: 87: Hoare triple {4790#false} havoc #t~short9; {4790#false} is VALID [2020-07-18 05:16:44,725 INFO L280 TraceCheckUtils]: 88: Hoare triple {4790#false} havoc #t~short11; {4790#false} is VALID [2020-07-18 05:16:44,725 INFO L280 TraceCheckUtils]: 89: Hoare triple {4790#false} havoc #t~mem7; {4790#false} is VALID [2020-07-18 05:16:44,725 INFO L280 TraceCheckUtils]: 90: Hoare triple {4790#false} assume !false; {4790#false} is VALID [2020-07-18 05:16:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:44,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836048729] [2020-07-18 05:16:44,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:44,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-18 05:16:44,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581317314] [2020-07-18 05:16:44,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-07-18 05:16:44,740 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:44,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-18 05:16:44,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:44,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-18 05:16:44,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:44,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-18 05:16:44,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-18 05:16:44,842 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand 13 states. [2020-07-18 05:16:46,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:46,720 INFO L93 Difference]: Finished difference Result 235 states and 255 transitions. [2020-07-18 05:16:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-18 05:16:46,721 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-07-18 05:16:46,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-18 05:16:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 255 transitions. [2020-07-18 05:16:46,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-18 05:16:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 255 transitions. [2020-07-18 05:16:46,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 255 transitions. [2020-07-18 05:16:47,026 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 255 edges. 255 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:47,030 INFO L225 Difference]: With dead ends: 235 [2020-07-18 05:16:47,030 INFO L226 Difference]: Without dead ends: 175 [2020-07-18 05:16:47,033 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 [2020-07-18 05:16:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-18 05:16:47,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 156. [2020-07-18 05:16:47,310 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:47,311 INFO L82 GeneralOperation]: Start isEquivalent. First operand 175 states. Second operand 156 states. [2020-07-18 05:16:47,311 INFO L74 IsIncluded]: Start isIncluded. First operand 175 states. Second operand 156 states. [2020-07-18 05:16:47,311 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 156 states. [2020-07-18 05:16:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:47,317 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2020-07-18 05:16:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2020-07-18 05:16:47,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:47,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:47,318 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 175 states. [2020-07-18 05:16:47,318 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 175 states. [2020-07-18 05:16:47,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:47,324 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2020-07-18 05:16:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2020-07-18 05:16:47,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:47,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:47,325 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:47,325 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:47,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-18 05:16:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2020-07-18 05:16:47,331 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 91 [2020-07-18 05:16:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:47,331 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2020-07-18 05:16:47,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-18 05:16:47,331 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 156 states and 168 transitions. [2020-07-18 05:16:47,589 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2020-07-18 05:16:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-18 05:16:47,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:47,591 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] [2020-07-18 05:16:47,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 05:16:47,592 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:47,593 INFO L82 PathProgramCache]: Analyzing trace with hash 274581320, now seen corresponding path program 3 times [2020-07-18 05:16:47,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:47,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950496658] [2020-07-18 05:16:47,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:47,757 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 [2020-07-18 05:16:47,758 INFO L280 TraceCheckUtils]: 1: Hoare triple {6027#true} #valid := #valid[0 := 0]; {6027#true} is VALID [2020-07-18 05:16:47,758 INFO L280 TraceCheckUtils]: 2: Hoare triple {6027#true} assume 0 < #StackHeapBarrier; {6027#true} is VALID [2020-07-18 05:16:47,758 INFO L280 TraceCheckUtils]: 3: Hoare triple {6027#true} assume true; {6027#true} is VALID [2020-07-18 05:16:47,759 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6027#true} {6027#true} #188#return; {6027#true} is VALID [2020-07-18 05:16:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:48,035 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 [2020-07-18 05:16:48,035 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 [2020-07-18 05:16:48,036 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 [2020-07-18 05:16:48,037 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 [2020-07-18 05:16:48,037 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 [2020-07-18 05:16:48,038 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 [2020-07-18 05:16:48,038 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 [2020-07-18 05:16:48,039 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 [2020-07-18 05:16:48,040 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 [2020-07-18 05:16:48,040 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 [2020-07-18 05:16:48,041 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 [2020-07-18 05:16:48,041 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 [2020-07-18 05:16:48,042 INFO L280 TraceCheckUtils]: 12: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:48,042 INFO L280 TraceCheckUtils]: 13: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:48,043 INFO L280 TraceCheckUtils]: 14: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:48,043 INFO L280 TraceCheckUtils]: 15: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:48,044 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 [2020-07-18 05:16:48,045 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 [2020-07-18 05:16:48,045 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 [2020-07-18 05:16:48,046 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 [2020-07-18 05:16:48,047 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 [2020-07-18 05:16:48,047 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 [2020-07-18 05:16:48,048 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 [2020-07-18 05:16:48,048 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 [2020-07-18 05:16:48,049 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 [2020-07-18 05:16:48,049 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 [2020-07-18 05:16:48,050 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 [2020-07-18 05:16:48,051 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 [2020-07-18 05:16:48,051 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 [2020-07-18 05:16:48,052 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 [2020-07-18 05:16:48,052 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 [2020-07-18 05:16:48,053 INFO L280 TraceCheckUtils]: 31: 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 [2020-07-18 05:16:48,053 INFO L280 TraceCheckUtils]: 32: 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 [2020-07-18 05:16:48,054 INFO L280 TraceCheckUtils]: 33: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:48,054 INFO L280 TraceCheckUtils]: 34: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:48,055 INFO L280 TraceCheckUtils]: 35: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:48,056 INFO L280 TraceCheckUtils]: 36: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$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 [2020-07-18 05:16:48,056 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 [2020-07-18 05:16:48,057 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 [2020-07-18 05:16:48,058 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 [2020-07-18 05:16:48,059 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 [2020-07-18 05:16:48,059 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 [2020-07-18 05:16:48,060 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 [2020-07-18 05:16:48,061 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 [2020-07-18 05:16:48,061 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 [2020-07-18 05:16:48,061 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 [2020-07-18 05:16:48,062 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 [2020-07-18 05:16:48,062 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 [2020-07-18 05:16:48,063 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 [2020-07-18 05:16:48,064 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 [2020-07-18 05:16:48,064 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 [2020-07-18 05:16:48,065 INFO L280 TraceCheckUtils]: 51: 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 [2020-07-18 05:16:48,065 INFO L280 TraceCheckUtils]: 52: 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 [2020-07-18 05:16:48,066 INFO L280 TraceCheckUtils]: 53: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:48,066 INFO L280 TraceCheckUtils]: 54: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:48,067 INFO L280 TraceCheckUtils]: 55: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:48,067 INFO L280 TraceCheckUtils]: 56: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$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 [2020-07-18 05:16:48,068 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 [2020-07-18 05:16:48,068 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 [2020-07-18 05:16:48,070 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 [2020-07-18 05:16:48,070 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 [2020-07-18 05:16:48,071 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 [2020-07-18 05:16:48,072 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 [2020-07-18 05:16:48,073 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 [2020-07-18 05:16:48,073 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 [2020-07-18 05:16:48,074 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 [2020-07-18 05:16:48,075 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 [2020-07-18 05:16:48,076 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 [2020-07-18 05:16:48,076 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 [2020-07-18 05:16:48,078 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 [2020-07-18 05:16:48,078 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 [2020-07-18 05:16:48,080 INFO L280 TraceCheckUtils]: 71: 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 [2020-07-18 05:16:48,080 INFO L280 TraceCheckUtils]: 72: 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 [2020-07-18 05:16:48,081 INFO L280 TraceCheckUtils]: 73: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-18 05:16:48,082 INFO L280 TraceCheckUtils]: 74: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-18 05:16:48,083 INFO L280 TraceCheckUtils]: 75: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-18 05:16:48,083 INFO L280 TraceCheckUtils]: 76: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$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 [2020-07-18 05:16:48,084 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 [2020-07-18 05:16:48,085 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 [2020-07-18 05:16:48,085 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 [2020-07-18 05:16:48,086 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 [2020-07-18 05:16:48,087 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 [2020-07-18 05:16:48,087 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 [2020-07-18 05:16:48,088 INFO L280 TraceCheckUtils]: 83: Hoare triple {6131#(<= |dll_create_#in~len| 4)} assume true; {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-18 05:16:48,090 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {6131#(<= |dll_create_#in~len| 4)} {6034#(<= 5 main_~len~0)} #184#return; {6028#false} is VALID [2020-07-18 05:16:48,109 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 [2020-07-18 05:16:48,110 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 [2020-07-18 05:16:48,110 INFO L280 TraceCheckUtils]: 2: Hoare triple {6027#true} #valid := #valid[0 := 0]; {6027#true} is VALID [2020-07-18 05:16:48,110 INFO L280 TraceCheckUtils]: 3: Hoare triple {6027#true} assume 0 < #StackHeapBarrier; {6027#true} is VALID [2020-07-18 05:16:48,110 INFO L280 TraceCheckUtils]: 4: Hoare triple {6027#true} assume true; {6027#true} is VALID [2020-07-18 05:16:48,111 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6027#true} {6027#true} #188#return; {6027#true} is VALID [2020-07-18 05:16:48,111 INFO L263 TraceCheckUtils]: 6: Hoare triple {6027#true} call #t~ret20 := main(); {6027#true} is VALID [2020-07-18 05:16:48,112 INFO L280 TraceCheckUtils]: 7: Hoare triple {6027#true} ~len~0 := 5; {6034#(<= 5 main_~len~0)} is VALID [2020-07-18 05:16:48,113 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$.offset)|))} is VALID [2020-07-18 05:16:48,113 INFO L280 TraceCheckUtils]: 9: Hoare triple {6121#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 [2020-07-18 05:16:48,114 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 [2020-07-18 05:16:48,115 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 [2020-07-18 05:16:48,117 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 [2020-07-18 05:16:48,117 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 [2020-07-18 05:16:48,119 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 [2020-07-18 05:16:48,119 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 [2020-07-18 05:16:48,121 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 [2020-07-18 05:16:48,121 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 [2020-07-18 05:16:48,122 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 [2020-07-18 05:16:48,123 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 [2020-07-18 05:16:48,123 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 [2020-07-18 05:16:48,124 INFO L280 TraceCheckUtils]: 21: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~ite4; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:48,125 INFO L280 TraceCheckUtils]: 22: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} havoc #t~nondet3; {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:48,125 INFO L280 TraceCheckUtils]: 23: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6122#(= dll_create_~len |dll_create_#in~len|)} is VALID [2020-07-18 05:16:48,126 INFO L280 TraceCheckUtils]: 24: Hoare triple {6122#(= dll_create_~len |dll_create_#in~len|)} SUMMARY for call write~$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 [2020-07-18 05:16:48,126 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 [2020-07-18 05:16:48,127 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 [2020-07-18 05:16:48,127 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 [2020-07-18 05:16:48,129 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 [2020-07-18 05:16:48,130 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 [2020-07-18 05:16:48,131 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 [2020-07-18 05:16:48,132 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 [2020-07-18 05:16:48,133 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 [2020-07-18 05:16:48,134 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 [2020-07-18 05:16:48,135 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 [2020-07-18 05:16:48,135 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 [2020-07-18 05:16:48,136 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 [2020-07-18 05:16:48,137 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 [2020-07-18 05:16:48,137 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 [2020-07-18 05:16:48,138 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 [2020-07-18 05:16:48,138 INFO L280 TraceCheckUtils]: 40: 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 [2020-07-18 05:16:48,139 INFO L280 TraceCheckUtils]: 41: 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 [2020-07-18 05:16:48,139 INFO L280 TraceCheckUtils]: 42: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:48,140 INFO L280 TraceCheckUtils]: 43: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:48,140 INFO L280 TraceCheckUtils]: 44: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} is VALID [2020-07-18 05:16:48,141 INFO L280 TraceCheckUtils]: 45: Hoare triple {6124#(<= |dll_create_#in~len| (+ dll_create_~len 1))} SUMMARY for call write~$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 [2020-07-18 05:16:48,141 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 [2020-07-18 05:16:48,142 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 [2020-07-18 05:16:48,143 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 [2020-07-18 05:16:48,144 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 [2020-07-18 05:16:48,144 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 [2020-07-18 05:16:48,145 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 [2020-07-18 05:16:48,145 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 [2020-07-18 05:16:48,146 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 [2020-07-18 05:16:48,146 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 [2020-07-18 05:16:48,147 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 [2020-07-18 05:16:48,148 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 [2020-07-18 05:16:48,148 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 [2020-07-18 05:16:48,149 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 [2020-07-18 05:16:48,149 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 [2020-07-18 05:16:48,150 INFO L280 TraceCheckUtils]: 60: 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 [2020-07-18 05:16:48,150 INFO L280 TraceCheckUtils]: 61: 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 [2020-07-18 05:16:48,151 INFO L280 TraceCheckUtils]: 62: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:48,151 INFO L280 TraceCheckUtils]: 63: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:48,152 INFO L280 TraceCheckUtils]: 64: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} is VALID [2020-07-18 05:16:48,152 INFO L280 TraceCheckUtils]: 65: Hoare triple {6126#(<= |dll_create_#in~len| (+ dll_create_~len 2))} SUMMARY for call write~$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 [2020-07-18 05:16:48,153 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 [2020-07-18 05:16:48,154 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 [2020-07-18 05:16:48,155 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 [2020-07-18 05:16:48,155 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 [2020-07-18 05:16:48,156 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 [2020-07-18 05:16:48,156 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 [2020-07-18 05:16:48,157 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 [2020-07-18 05:16:48,158 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 [2020-07-18 05:16:48,158 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 [2020-07-18 05:16:48,159 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 [2020-07-18 05:16:48,159 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 [2020-07-18 05:16:48,160 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 [2020-07-18 05:16:48,160 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 [2020-07-18 05:16:48,161 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 [2020-07-18 05:16:48,161 INFO L280 TraceCheckUtils]: 80: 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 [2020-07-18 05:16:48,162 INFO L280 TraceCheckUtils]: 81: 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 [2020-07-18 05:16:48,162 INFO L280 TraceCheckUtils]: 82: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-18 05:16:48,163 INFO L280 TraceCheckUtils]: 83: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-18 05:16:48,163 INFO L280 TraceCheckUtils]: 84: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} assume ~head~0.base != 0 || ~head~0.offset != 0; {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} is VALID [2020-07-18 05:16:48,164 INFO L280 TraceCheckUtils]: 85: Hoare triple {6128#(<= |dll_create_#in~len| (+ dll_create_~len 3))} SUMMARY for call write~$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 [2020-07-18 05:16:48,164 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 [2020-07-18 05:16:48,165 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 [2020-07-18 05:16:48,166 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 [2020-07-18 05:16:48,167 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 [2020-07-18 05:16:48,167 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 [2020-07-18 05:16:48,168 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 [2020-07-18 05:16:48,169 INFO L280 TraceCheckUtils]: 92: Hoare triple {6131#(<= |dll_create_#in~len| 4)} assume true; {6131#(<= |dll_create_#in~len| 4)} is VALID [2020-07-18 05:16:48,170 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6131#(<= |dll_create_#in~len| 4)} {6034#(<= 5 main_~len~0)} #184#return; {6028#false} is VALID [2020-07-18 05:16:48,170 INFO L280 TraceCheckUtils]: 94: Hoare triple {6028#false} ~head~1.base, ~head~1.offset := #t~ret6.base, #t~ret6.offset; {6028#false} is VALID [2020-07-18 05:16:48,170 INFO L280 TraceCheckUtils]: 95: Hoare triple {6028#false} havoc #t~ret6.base, #t~ret6.offset; {6028#false} is VALID [2020-07-18 05:16:48,170 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 [2020-07-18 05:16:48,171 INFO L280 TraceCheckUtils]: 97: Hoare triple {6028#false} assume !!(#t~mem13.base != 0 || #t~mem13.offset != 0); {6028#false} is VALID [2020-07-18 05:16:48,171 INFO L280 TraceCheckUtils]: 98: Hoare triple {6028#false} havoc #t~mem13.base, #t~mem13.offset; {6028#false} is VALID [2020-07-18 05:16:48,171 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 [2020-07-18 05:16:48,171 INFO L280 TraceCheckUtils]: 100: Hoare triple {6028#false} #t~short9 := 0 != #t~mem7; {6028#false} is VALID [2020-07-18 05:16:48,171 INFO L280 TraceCheckUtils]: 101: Hoare triple {6028#false} assume #t~short9; {6028#false} is VALID [2020-07-18 05:16:48,172 INFO L280 TraceCheckUtils]: 102: Hoare triple {6028#false} #t~short11 := #t~short9; {6028#false} is VALID [2020-07-18 05:16:48,172 INFO L280 TraceCheckUtils]: 103: Hoare triple {6028#false} assume #t~short11; {6028#false} is VALID [2020-07-18 05:16:48,172 INFO L280 TraceCheckUtils]: 104: Hoare triple {6028#false} assume #t~short11; {6028#false} is VALID [2020-07-18 05:16:48,172 INFO L280 TraceCheckUtils]: 105: Hoare triple {6028#false} havoc #t~mem8; {6028#false} is VALID [2020-07-18 05:16:48,172 INFO L280 TraceCheckUtils]: 106: Hoare triple {6028#false} havoc #t~mem10; {6028#false} is VALID [2020-07-18 05:16:48,172 INFO L280 TraceCheckUtils]: 107: Hoare triple {6028#false} havoc #t~short9; {6028#false} is VALID [2020-07-18 05:16:48,173 INFO L280 TraceCheckUtils]: 108: Hoare triple {6028#false} havoc #t~short11; {6028#false} is VALID [2020-07-18 05:16:48,173 INFO L280 TraceCheckUtils]: 109: Hoare triple {6028#false} havoc #t~mem7; {6028#false} is VALID [2020-07-18 05:16:48,173 INFO L280 TraceCheckUtils]: 110: Hoare triple {6028#false} assume !false; {6028#false} is VALID [2020-07-18 05:16:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:48,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950496658] [2020-07-18 05:16:48,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:48,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-18 05:16:48,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847150385] [2020-07-18 05:16:48,192 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 111 [2020-07-18 05:16:48,193 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:48,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-18 05:16:48,313 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:48,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-18 05:16:48,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:48,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-18 05:16:48,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-07-18 05:16:48,314 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 15 states. [2020-07-18 05:16:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:50,490 INFO L93 Difference]: Finished difference Result 256 states and 277 transitions. [2020-07-18 05:16:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-18 05:16:50,490 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 111 [2020-07-18 05:16:50,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-18 05:16:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 277 transitions. [2020-07-18 05:16:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-18 05:16:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 277 transitions. [2020-07-18 05:16:50,500 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 277 transitions. [2020-07-18 05:16:50,838 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 277 edges. 277 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:50,843 INFO L225 Difference]: With dead ends: 256 [2020-07-18 05:16:50,843 INFO L226 Difference]: Without dead ends: 196 [2020-07-18 05:16:50,844 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 [2020-07-18 05:16:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-18 05:16:51,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 177. [2020-07-18 05:16:51,202 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:51,202 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 177 states. [2020-07-18 05:16:51,203 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 177 states. [2020-07-18 05:16:51,203 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 177 states. [2020-07-18 05:16:51,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:51,209 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2020-07-18 05:16:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 210 transitions. [2020-07-18 05:16:51,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:51,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:51,210 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 196 states. [2020-07-18 05:16:51,210 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 196 states. [2020-07-18 05:16:51,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:51,215 INFO L93 Difference]: Finished difference Result 196 states and 210 transitions. [2020-07-18 05:16:51,215 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 210 transitions. [2020-07-18 05:16:51,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:51,216 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:51,216 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:51,217 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-18 05:16:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 190 transitions. [2020-07-18 05:16:51,221 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 190 transitions. Word has length 111 [2020-07-18 05:16:51,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:51,221 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 190 transitions. [2020-07-18 05:16:51,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-18 05:16:51,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 177 states and 190 transitions. [2020-07-18 05:16:51,504 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 190 transitions. [2020-07-18 05:16:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-18 05:16:51,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:51,506 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] [2020-07-18 05:16:51,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 05:16:51,506 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:51,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:51,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1182686291, now seen corresponding path program 4 times [2020-07-18 05:16:51,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:51,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352697097] [2020-07-18 05:16:51,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:51,732 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 [2020-07-18 05:16:51,733 INFO L280 TraceCheckUtils]: 1: Hoare triple {7417#true} #valid := #valid[0 := 0]; {7417#true} is VALID [2020-07-18 05:16:51,733 INFO L280 TraceCheckUtils]: 2: Hoare triple {7417#true} assume 0 < #StackHeapBarrier; {7417#true} is VALID [2020-07-18 05:16:51,733 INFO L280 TraceCheckUtils]: 3: Hoare triple {7417#true} assume true; {7417#true} is VALID [2020-07-18 05:16:51,733 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7417#true} {7417#true} #188#return; {7417#true} is VALID [2020-07-18 05:16:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:52,141 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 [2020-07-18 05:16:52,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := 0, 0; {7417#true} is VALID [2020-07-18 05:16:52,142 INFO L280 TraceCheckUtils]: 2: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,143 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 [2020-07-18 05:16:52,143 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 [2020-07-18 05:16:52,143 INFO L280 TraceCheckUtils]: 5: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-18 05:16:52,144 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 [2020-07-18 05:16:52,144 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 [2020-07-18 05:16:52,144 INFO L280 TraceCheckUtils]: 8: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-18 05:16:52,145 INFO L280 TraceCheckUtils]: 9: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-18 05:16:52,145 INFO L280 TraceCheckUtils]: 10: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-18 05:16:52,145 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 [2020-07-18 05:16:52,146 INFO L280 TraceCheckUtils]: 12: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-18 05:16:52,146 INFO L280 TraceCheckUtils]: 13: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-18 05:16:52,146 INFO L280 TraceCheckUtils]: 14: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-18 05:16:52,147 INFO L280 TraceCheckUtils]: 15: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-18 05:16:52,147 INFO L280 TraceCheckUtils]: 16: Hoare triple {7417#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {7417#true} is VALID [2020-07-18 05:16:52,147 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 [2020-07-18 05:16:52,148 INFO L280 TraceCheckUtils]: 18: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-18 05:16:52,148 INFO L280 TraceCheckUtils]: 19: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-18 05:16:52,149 INFO L280 TraceCheckUtils]: 20: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-18 05:16:52,149 INFO L280 TraceCheckUtils]: 21: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,149 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 [2020-07-18 05:16:52,150 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 [2020-07-18 05:16:52,150 INFO L280 TraceCheckUtils]: 24: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-18 05:16:52,150 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 [2020-07-18 05:16:52,151 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 [2020-07-18 05:16:52,151 INFO L280 TraceCheckUtils]: 27: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-18 05:16:52,151 INFO L280 TraceCheckUtils]: 28: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-18 05:16:52,152 INFO L280 TraceCheckUtils]: 29: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-18 05:16:52,152 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 [2020-07-18 05:16:52,153 INFO L280 TraceCheckUtils]: 31: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-18 05:16:52,153 INFO L280 TraceCheckUtils]: 32: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-18 05:16:52,153 INFO L280 TraceCheckUtils]: 33: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-18 05:16:52,154 INFO L280 TraceCheckUtils]: 34: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-18 05:16:52,154 INFO L280 TraceCheckUtils]: 35: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-18 05:16:52,154 INFO L280 TraceCheckUtils]: 36: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-18 05:16:52,155 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 [2020-07-18 05:16:52,155 INFO L280 TraceCheckUtils]: 38: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-18 05:16:52,156 INFO L280 TraceCheckUtils]: 39: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-18 05:16:52,156 INFO L280 TraceCheckUtils]: 40: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-18 05:16:52,156 INFO L280 TraceCheckUtils]: 41: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,157 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 [2020-07-18 05:16:52,157 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 [2020-07-18 05:16:52,158 INFO L280 TraceCheckUtils]: 44: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-18 05:16:52,158 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 [2020-07-18 05:16:52,158 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 [2020-07-18 05:16:52,159 INFO L280 TraceCheckUtils]: 47: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-18 05:16:52,159 INFO L280 TraceCheckUtils]: 48: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-18 05:16:52,159 INFO L280 TraceCheckUtils]: 49: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-18 05:16:52,160 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 [2020-07-18 05:16:52,160 INFO L280 TraceCheckUtils]: 51: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-18 05:16:52,160 INFO L280 TraceCheckUtils]: 52: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-18 05:16:52,161 INFO L280 TraceCheckUtils]: 53: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-18 05:16:52,161 INFO L280 TraceCheckUtils]: 54: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-18 05:16:52,162 INFO L280 TraceCheckUtils]: 55: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-18 05:16:52,162 INFO L280 TraceCheckUtils]: 56: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-18 05:16:52,162 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 [2020-07-18 05:16:52,163 INFO L280 TraceCheckUtils]: 58: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-18 05:16:52,163 INFO L280 TraceCheckUtils]: 59: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-18 05:16:52,163 INFO L280 TraceCheckUtils]: 60: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-18 05:16:52,164 INFO L280 TraceCheckUtils]: 61: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,166 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 [2020-07-18 05:16:52,167 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 [2020-07-18 05:16:52,168 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 [2020-07-18 05:16:52,169 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 [2020-07-18 05:16:52,170 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 [2020-07-18 05:16:52,171 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 [2020-07-18 05:16:52,172 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 [2020-07-18 05:16:52,174 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 [2020-07-18 05:16:52,174 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 [2020-07-18 05:16:52,175 INFO L280 TraceCheckUtils]: 71: 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 [2020-07-18 05:16:52,177 INFO L280 TraceCheckUtils]: 72: 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 [2020-07-18 05:16:52,178 INFO L280 TraceCheckUtils]: 73: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:52,179 INFO L280 TraceCheckUtils]: 74: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:52,180 INFO L280 TraceCheckUtils]: 75: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:52,181 INFO L280 TraceCheckUtils]: 76: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:52,182 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 [2020-07-18 05:16:52,183 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 [2020-07-18 05:16:52,184 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 [2020-07-18 05:16:52,185 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 [2020-07-18 05:16:52,186 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 [2020-07-18 05:16:52,188 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 [2020-07-18 05:16:52,189 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 [2020-07-18 05:16:52,190 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 [2020-07-18 05:16:52,192 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 [2020-07-18 05:16:52,195 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 [2020-07-18 05:16:52,196 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 [2020-07-18 05:16:52,197 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 [2020-07-18 05:16:52,199 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 [2020-07-18 05:16:52,201 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 [2020-07-18 05:16:52,202 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~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 [2020-07-18 05:16:52,204 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~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 [2020-07-18 05:16:52,206 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$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:52,208 INFO L280 TraceCheckUtils]: 94: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:52,210 INFO L280 TraceCheckUtils]: 95: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:52,213 INFO L280 TraceCheckUtils]: 96: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$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 [2020-07-18 05:16:52,214 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 [2020-07-18 05:16:52,215 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 [2020-07-18 05:16:52,216 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 [2020-07-18 05:16:52,217 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 [2020-07-18 05:16:52,218 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 [2020-07-18 05:16:52,219 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 [2020-07-18 05:16:52,220 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 [2020-07-18 05:16:52,222 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 [2020-07-18 05:16:52,281 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 [2020-07-18 05:16:52,282 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 [2020-07-18 05:16:52,282 INFO L280 TraceCheckUtils]: 2: Hoare triple {7417#true} #valid := #valid[0 := 0]; {7417#true} is VALID [2020-07-18 05:16:52,282 INFO L280 TraceCheckUtils]: 3: Hoare triple {7417#true} assume 0 < #StackHeapBarrier; {7417#true} is VALID [2020-07-18 05:16:52,283 INFO L280 TraceCheckUtils]: 4: Hoare triple {7417#true} assume true; {7417#true} is VALID [2020-07-18 05:16:52,283 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7417#true} {7417#true} #188#return; {7417#true} is VALID [2020-07-18 05:16:52,283 INFO L263 TraceCheckUtils]: 6: Hoare triple {7417#true} call #t~ret20 := main(); {7417#true} is VALID [2020-07-18 05:16:52,284 INFO L280 TraceCheckUtils]: 7: Hoare triple {7417#true} ~len~0 := 5; {7417#true} is VALID [2020-07-18 05:16:52,285 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$.offset)|))} is VALID [2020-07-18 05:16:52,286 INFO L280 TraceCheckUtils]: 9: Hoare triple {7534#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {7417#true} is VALID [2020-07-18 05:16:52,286 INFO L280 TraceCheckUtils]: 10: Hoare triple {7417#true} ~head~0.base, ~head~0.offset := 0, 0; {7417#true} is VALID [2020-07-18 05:16:52,287 INFO L280 TraceCheckUtils]: 11: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,287 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 [2020-07-18 05:16:52,287 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 [2020-07-18 05:16:52,287 INFO L280 TraceCheckUtils]: 14: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-18 05:16:52,288 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 [2020-07-18 05:16:52,288 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 [2020-07-18 05:16:52,288 INFO L280 TraceCheckUtils]: 17: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-18 05:16:52,289 INFO L280 TraceCheckUtils]: 18: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-18 05:16:52,289 INFO L280 TraceCheckUtils]: 19: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-18 05:16:52,289 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 [2020-07-18 05:16:52,289 INFO L280 TraceCheckUtils]: 21: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-18 05:16:52,290 INFO L280 TraceCheckUtils]: 22: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-18 05:16:52,290 INFO L280 TraceCheckUtils]: 23: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-18 05:16:52,290 INFO L280 TraceCheckUtils]: 24: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-18 05:16:52,290 INFO L280 TraceCheckUtils]: 25: Hoare triple {7417#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {7417#true} is VALID [2020-07-18 05:16:52,291 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 [2020-07-18 05:16:52,291 INFO L280 TraceCheckUtils]: 27: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-18 05:16:52,291 INFO L280 TraceCheckUtils]: 28: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-18 05:16:52,292 INFO L280 TraceCheckUtils]: 29: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-18 05:16:52,292 INFO L280 TraceCheckUtils]: 30: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,292 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 [2020-07-18 05:16:52,293 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 [2020-07-18 05:16:52,293 INFO L280 TraceCheckUtils]: 33: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-18 05:16:52,293 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 [2020-07-18 05:16:52,293 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 [2020-07-18 05:16:52,294 INFO L280 TraceCheckUtils]: 36: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-18 05:16:52,294 INFO L280 TraceCheckUtils]: 37: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-18 05:16:52,294 INFO L280 TraceCheckUtils]: 38: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-18 05:16:52,295 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 [2020-07-18 05:16:52,295 INFO L280 TraceCheckUtils]: 40: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-18 05:16:52,295 INFO L280 TraceCheckUtils]: 41: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-18 05:16:52,296 INFO L280 TraceCheckUtils]: 42: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-18 05:16:52,296 INFO L280 TraceCheckUtils]: 43: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-18 05:16:52,296 INFO L280 TraceCheckUtils]: 44: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-18 05:16:52,296 INFO L280 TraceCheckUtils]: 45: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-18 05:16:52,297 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 [2020-07-18 05:16:52,297 INFO L280 TraceCheckUtils]: 47: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-18 05:16:52,297 INFO L280 TraceCheckUtils]: 48: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-18 05:16:52,298 INFO L280 TraceCheckUtils]: 49: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-18 05:16:52,298 INFO L280 TraceCheckUtils]: 50: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,298 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 [2020-07-18 05:16:52,299 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 [2020-07-18 05:16:52,299 INFO L280 TraceCheckUtils]: 53: Hoare triple {7417#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {7417#true} is VALID [2020-07-18 05:16:52,299 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 [2020-07-18 05:16:52,299 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 [2020-07-18 05:16:52,300 INFO L280 TraceCheckUtils]: 56: Hoare triple {7417#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {7417#true} is VALID [2020-07-18 05:16:52,300 INFO L280 TraceCheckUtils]: 57: Hoare triple {7417#true} assume #t~nondet3 == ~len; {7417#true} is VALID [2020-07-18 05:16:52,300 INFO L280 TraceCheckUtils]: 58: Hoare triple {7417#true} #t~ite4 := 1; {7417#true} is VALID [2020-07-18 05:16:52,301 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 [2020-07-18 05:16:52,301 INFO L280 TraceCheckUtils]: 60: Hoare triple {7417#true} havoc #t~ite4; {7417#true} is VALID [2020-07-18 05:16:52,301 INFO L280 TraceCheckUtils]: 61: Hoare triple {7417#true} havoc #t~nondet3; {7417#true} is VALID [2020-07-18 05:16:52,302 INFO L280 TraceCheckUtils]: 62: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7417#true} is VALID [2020-07-18 05:16:52,302 INFO L280 TraceCheckUtils]: 63: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7417#true} is VALID [2020-07-18 05:16:52,302 INFO L280 TraceCheckUtils]: 64: Hoare triple {7417#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {7417#true} is VALID [2020-07-18 05:16:52,302 INFO L280 TraceCheckUtils]: 65: Hoare triple {7417#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {7417#true} is VALID [2020-07-18 05:16:52,303 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 [2020-07-18 05:16:52,303 INFO L280 TraceCheckUtils]: 67: Hoare triple {7417#true} #t~post5 := ~len; {7417#true} is VALID [2020-07-18 05:16:52,303 INFO L280 TraceCheckUtils]: 68: Hoare triple {7417#true} ~len := #t~post5 - 1; {7417#true} is VALID [2020-07-18 05:16:52,304 INFO L280 TraceCheckUtils]: 69: Hoare triple {7417#true} havoc #t~post5; {7417#true} is VALID [2020-07-18 05:16:52,304 INFO L280 TraceCheckUtils]: 70: Hoare triple {7417#true} assume !!(~len > 0); {7417#true} is VALID [2020-07-18 05:16:52,306 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 [2020-07-18 05:16:52,307 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 [2020-07-18 05:16:52,308 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 [2020-07-18 05:16:52,309 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 [2020-07-18 05:16:52,310 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 [2020-07-18 05:16:52,311 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 [2020-07-18 05:16:52,312 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 [2020-07-18 05:16:52,313 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 [2020-07-18 05:16:52,313 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 [2020-07-18 05:16:52,314 INFO L280 TraceCheckUtils]: 80: 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 [2020-07-18 05:16:52,315 INFO L280 TraceCheckUtils]: 81: 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 [2020-07-18 05:16:52,316 INFO L280 TraceCheckUtils]: 82: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:52,317 INFO L280 TraceCheckUtils]: 83: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:52,318 INFO L280 TraceCheckUtils]: 84: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:52,319 INFO L280 TraceCheckUtils]: 85: Hoare triple {7536#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:52,320 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 [2020-07-18 05:16:52,321 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 [2020-07-18 05:16:52,322 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 [2020-07-18 05:16:52,323 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 [2020-07-18 05:16:52,324 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 [2020-07-18 05:16:52,325 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 [2020-07-18 05:16:52,326 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 [2020-07-18 05:16:52,327 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 [2020-07-18 05:16:52,329 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 [2020-07-18 05:16:52,332 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 [2020-07-18 05:16:52,333 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 [2020-07-18 05:16:52,335 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 [2020-07-18 05:16:52,336 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 [2020-07-18 05:16:52,338 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 [2020-07-18 05:16:52,340 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~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 [2020-07-18 05:16:52,341 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~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 [2020-07-18 05:16:52,343 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$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:52,345 INFO L280 TraceCheckUtils]: 103: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:52,347 INFO L280 TraceCheckUtils]: 104: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:52,349 INFO L280 TraceCheckUtils]: 105: Hoare triple {7540#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$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 [2020-07-18 05:16:52,350 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 [2020-07-18 05:16:52,351 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 [2020-07-18 05:16:52,352 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 [2020-07-18 05:16:52,353 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 [2020-07-18 05:16:52,354 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 [2020-07-18 05:16:52,355 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 [2020-07-18 05:16:52,356 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 [2020-07-18 05:16:52,358 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 [2020-07-18 05:16:52,359 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 [2020-07-18 05:16:52,360 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 [2020-07-18 05:16:52,361 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 [2020-07-18 05:16:52,362 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 [2020-07-18 05:16:52,363 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 [2020-07-18 05:16:52,364 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 [2020-07-18 05:16:52,365 INFO L280 TraceCheckUtils]: 120: Hoare triple {7531#(= 0 |main_#t~mem7|)} #t~short9 := 0 != #t~mem7; {7532#(not |main_#t~short9|)} is VALID [2020-07-18 05:16:52,366 INFO L280 TraceCheckUtils]: 121: Hoare triple {7532#(not |main_#t~short9|)} assume #t~short9; {7418#false} is VALID [2020-07-18 05:16:52,367 INFO L280 TraceCheckUtils]: 122: Hoare triple {7418#false} #t~short11 := #t~short9; {7418#false} is VALID [2020-07-18 05:16:52,367 INFO L280 TraceCheckUtils]: 123: Hoare triple {7418#false} assume #t~short11; {7418#false} is VALID [2020-07-18 05:16:52,367 INFO L280 TraceCheckUtils]: 124: Hoare triple {7418#false} assume #t~short11; {7418#false} is VALID [2020-07-18 05:16:52,367 INFO L280 TraceCheckUtils]: 125: Hoare triple {7418#false} havoc #t~mem8; {7418#false} is VALID [2020-07-18 05:16:52,368 INFO L280 TraceCheckUtils]: 126: Hoare triple {7418#false} havoc #t~mem10; {7418#false} is VALID [2020-07-18 05:16:52,368 INFO L280 TraceCheckUtils]: 127: Hoare triple {7418#false} havoc #t~short9; {7418#false} is VALID [2020-07-18 05:16:52,368 INFO L280 TraceCheckUtils]: 128: Hoare triple {7418#false} havoc #t~short11; {7418#false} is VALID [2020-07-18 05:16:52,369 INFO L280 TraceCheckUtils]: 129: Hoare triple {7418#false} havoc #t~mem7; {7418#false} is VALID [2020-07-18 05:16:52,369 INFO L280 TraceCheckUtils]: 130: Hoare triple {7418#false} assume !false; {7418#false} is VALID [2020-07-18 05:16:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-18 05:16:52,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352697097] [2020-07-18 05:16:52,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:52,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-18 05:16:52,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118671014] [2020-07-18 05:16:52,424 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 131 [2020-07-18 05:16:52,425 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:52,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-18 05:16:52,578 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:52,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-18 05:16:52,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:52,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-18 05:16:52,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-07-18 05:16:52,579 INFO L87 Difference]: Start difference. First operand 177 states and 190 transitions. Second operand 17 states. [2020-07-18 05:16:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:56,662 INFO L93 Difference]: Finished difference Result 308 states and 334 transitions. [2020-07-18 05:16:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-18 05:16:56,662 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 131 [2020-07-18 05:16:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 05:16:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 264 transitions. [2020-07-18 05:16:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 05:16:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 264 transitions. [2020-07-18 05:16:56,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 264 transitions. [2020-07-18 05:16:57,034 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 264 edges. 264 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:57,041 INFO L225 Difference]: With dead ends: 308 [2020-07-18 05:16:57,041 INFO L226 Difference]: Without dead ends: 253 [2020-07-18 05:16:57,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2020-07-18 05:16:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-18 05:16:57,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 183. [2020-07-18 05:16:57,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:57,721 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 183 states. [2020-07-18 05:16:57,721 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 183 states. [2020-07-18 05:16:57,721 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 183 states. [2020-07-18 05:16:57,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:57,729 INFO L93 Difference]: Finished difference Result 253 states and 272 transitions. [2020-07-18 05:16:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 272 transitions. [2020-07-18 05:16:57,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:57,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:57,730 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 253 states. [2020-07-18 05:16:57,730 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 253 states. [2020-07-18 05:16:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:57,737 INFO L93 Difference]: Finished difference Result 253 states and 272 transitions. [2020-07-18 05:16:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 272 transitions. [2020-07-18 05:16:57,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:57,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:57,738 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:57,738 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-07-18 05:16:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 197 transitions. [2020-07-18 05:16:57,743 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 197 transitions. Word has length 131 [2020-07-18 05:16:57,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:57,743 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 197 transitions. [2020-07-18 05:16:57,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-18 05:16:57,744 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 183 states and 197 transitions. [2020-07-18 05:16:58,166 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 197 transitions. [2020-07-18 05:16:58,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-18 05:16:58,168 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:58,169 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] [2020-07-18 05:16:58,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 05:16:58,169 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:58,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:58,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1200683152, now seen corresponding path program 1 times [2020-07-18 05:16:58,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:58,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948732299] [2020-07-18 05:16:58,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:58,449 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 [2020-07-18 05:16:58,449 INFO L280 TraceCheckUtils]: 1: Hoare triple {9069#true} #valid := #valid[0 := 0]; {9069#true} is VALID [2020-07-18 05:16:58,450 INFO L280 TraceCheckUtils]: 2: Hoare triple {9069#true} assume 0 < #StackHeapBarrier; {9069#true} is VALID [2020-07-18 05:16:58,450 INFO L280 TraceCheckUtils]: 3: Hoare triple {9069#true} assume true; {9069#true} is VALID [2020-07-18 05:16:58,451 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9069#true} {9069#true} #188#return; {9069#true} is VALID [2020-07-18 05:16:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:59,020 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 [2020-07-18 05:16:59,021 INFO L280 TraceCheckUtils]: 1: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := 0, 0; {9069#true} is VALID [2020-07-18 05:16:59,021 INFO L280 TraceCheckUtils]: 2: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,021 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 [2020-07-18 05:16:59,022 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 [2020-07-18 05:16:59,022 INFO L280 TraceCheckUtils]: 5: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-18 05:16:59,022 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 [2020-07-18 05:16:59,023 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 [2020-07-18 05:16:59,026 INFO L280 TraceCheckUtils]: 8: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-18 05:16:59,027 INFO L280 TraceCheckUtils]: 9: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-18 05:16:59,027 INFO L280 TraceCheckUtils]: 10: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-18 05:16:59,027 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 [2020-07-18 05:16:59,028 INFO L280 TraceCheckUtils]: 12: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-18 05:16:59,028 INFO L280 TraceCheckUtils]: 13: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-18 05:16:59,028 INFO L280 TraceCheckUtils]: 14: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-18 05:16:59,029 INFO L280 TraceCheckUtils]: 15: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-18 05:16:59,029 INFO L280 TraceCheckUtils]: 16: Hoare triple {9069#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {9069#true} is VALID [2020-07-18 05:16:59,029 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 [2020-07-18 05:16:59,030 INFO L280 TraceCheckUtils]: 18: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-18 05:16:59,030 INFO L280 TraceCheckUtils]: 19: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-18 05:16:59,030 INFO L280 TraceCheckUtils]: 20: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-18 05:16:59,031 INFO L280 TraceCheckUtils]: 21: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,031 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 [2020-07-18 05:16:59,031 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 [2020-07-18 05:16:59,032 INFO L280 TraceCheckUtils]: 24: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-18 05:16:59,032 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 [2020-07-18 05:16:59,032 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 [2020-07-18 05:16:59,033 INFO L280 TraceCheckUtils]: 27: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-18 05:16:59,033 INFO L280 TraceCheckUtils]: 28: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-18 05:16:59,033 INFO L280 TraceCheckUtils]: 29: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-18 05:16:59,034 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 [2020-07-18 05:16:59,034 INFO L280 TraceCheckUtils]: 31: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-18 05:16:59,034 INFO L280 TraceCheckUtils]: 32: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-18 05:16:59,035 INFO L280 TraceCheckUtils]: 33: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-18 05:16:59,035 INFO L280 TraceCheckUtils]: 34: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-18 05:16:59,035 INFO L280 TraceCheckUtils]: 35: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-18 05:16:59,036 INFO L280 TraceCheckUtils]: 36: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-18 05:16:59,036 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 [2020-07-18 05:16:59,036 INFO L280 TraceCheckUtils]: 38: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-18 05:16:59,037 INFO L280 TraceCheckUtils]: 39: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-18 05:16:59,037 INFO L280 TraceCheckUtils]: 40: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-18 05:16:59,037 INFO L280 TraceCheckUtils]: 41: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,038 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 [2020-07-18 05:16:59,038 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 [2020-07-18 05:16:59,038 INFO L280 TraceCheckUtils]: 44: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-18 05:16:59,039 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 [2020-07-18 05:16:59,040 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 [2020-07-18 05:16:59,041 INFO L280 TraceCheckUtils]: 47: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-18 05:16:59,041 INFO L280 TraceCheckUtils]: 48: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-18 05:16:59,041 INFO L280 TraceCheckUtils]: 49: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-18 05:16:59,042 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 [2020-07-18 05:16:59,042 INFO L280 TraceCheckUtils]: 51: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-18 05:16:59,042 INFO L280 TraceCheckUtils]: 52: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-18 05:16:59,043 INFO L280 TraceCheckUtils]: 53: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-18 05:16:59,043 INFO L280 TraceCheckUtils]: 54: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-18 05:16:59,043 INFO L280 TraceCheckUtils]: 55: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-18 05:16:59,044 INFO L280 TraceCheckUtils]: 56: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-18 05:16:59,044 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 [2020-07-18 05:16:59,044 INFO L280 TraceCheckUtils]: 58: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-18 05:16:59,045 INFO L280 TraceCheckUtils]: 59: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-18 05:16:59,045 INFO L280 TraceCheckUtils]: 60: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-18 05:16:59,045 INFO L280 TraceCheckUtils]: 61: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,047 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 [2020-07-18 05:16:59,049 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 [2020-07-18 05:16:59,050 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 [2020-07-18 05:16:59,051 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 [2020-07-18 05:16:59,052 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 [2020-07-18 05:16:59,053 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 [2020-07-18 05:16:59,054 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 [2020-07-18 05:16:59,055 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 [2020-07-18 05:16:59,056 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 [2020-07-18 05:16:59,057 INFO L280 TraceCheckUtils]: 71: 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 [2020-07-18 05:16:59,057 INFO L280 TraceCheckUtils]: 72: 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 [2020-07-18 05:16:59,058 INFO L280 TraceCheckUtils]: 73: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:59,059 INFO L280 TraceCheckUtils]: 74: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:59,060 INFO L280 TraceCheckUtils]: 75: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:59,061 INFO L280 TraceCheckUtils]: 76: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:59,063 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 [2020-07-18 05:16:59,064 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 [2020-07-18 05:16:59,065 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 [2020-07-18 05:16:59,066 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 [2020-07-18 05:16:59,067 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 [2020-07-18 05:16:59,069 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 [2020-07-18 05:16:59,070 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 [2020-07-18 05:16:59,071 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 [2020-07-18 05:16:59,073 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 [2020-07-18 05:16:59,075 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 [2020-07-18 05:16:59,077 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 [2020-07-18 05:16:59,078 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 [2020-07-18 05:16:59,080 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 [2020-07-18 05:16:59,082 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 [2020-07-18 05:16:59,084 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~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 [2020-07-18 05:16:59,085 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~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 [2020-07-18 05:16:59,087 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$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:59,089 INFO L280 TraceCheckUtils]: 94: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:59,091 INFO L280 TraceCheckUtils]: 95: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:59,092 INFO L280 TraceCheckUtils]: 96: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$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 [2020-07-18 05:16:59,093 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 [2020-07-18 05:16:59,095 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 [2020-07-18 05:16:59,096 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 [2020-07-18 05:16:59,097 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 [2020-07-18 05:16:59,098 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 [2020-07-18 05:16:59,100 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 [2020-07-18 05:16:59,101 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 [2020-07-18 05:16:59,103 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 [2020-07-18 05:16:59,129 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 [2020-07-18 05:16:59,129 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 [2020-07-18 05:16:59,130 INFO L280 TraceCheckUtils]: 2: Hoare triple {9069#true} #valid := #valid[0 := 0]; {9069#true} is VALID [2020-07-18 05:16:59,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {9069#true} assume 0 < #StackHeapBarrier; {9069#true} is VALID [2020-07-18 05:16:59,130 INFO L280 TraceCheckUtils]: 4: Hoare triple {9069#true} assume true; {9069#true} is VALID [2020-07-18 05:16:59,130 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9069#true} {9069#true} #188#return; {9069#true} is VALID [2020-07-18 05:16:59,131 INFO L263 TraceCheckUtils]: 6: Hoare triple {9069#true} call #t~ret20 := main(); {9069#true} is VALID [2020-07-18 05:16:59,131 INFO L280 TraceCheckUtils]: 7: Hoare triple {9069#true} ~len~0 := 5; {9069#true} is VALID [2020-07-18 05:16:59,132 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$.offset)|))} is VALID [2020-07-18 05:16:59,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {9187#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {9069#true} is VALID [2020-07-18 05:16:59,133 INFO L280 TraceCheckUtils]: 10: Hoare triple {9069#true} ~head~0.base, ~head~0.offset := 0, 0; {9069#true} is VALID [2020-07-18 05:16:59,133 INFO L280 TraceCheckUtils]: 11: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,133 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 [2020-07-18 05:16:59,133 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 [2020-07-18 05:16:59,133 INFO L280 TraceCheckUtils]: 14: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-18 05:16:59,134 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 [2020-07-18 05:16:59,134 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 [2020-07-18 05:16:59,134 INFO L280 TraceCheckUtils]: 17: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-18 05:16:59,134 INFO L280 TraceCheckUtils]: 18: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-18 05:16:59,134 INFO L280 TraceCheckUtils]: 19: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-18 05:16:59,134 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 [2020-07-18 05:16:59,135 INFO L280 TraceCheckUtils]: 21: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-18 05:16:59,135 INFO L280 TraceCheckUtils]: 22: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-18 05:16:59,135 INFO L280 TraceCheckUtils]: 23: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-18 05:16:59,135 INFO L280 TraceCheckUtils]: 24: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-18 05:16:59,135 INFO L280 TraceCheckUtils]: 25: Hoare triple {9069#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {9069#true} is VALID [2020-07-18 05:16:59,136 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 [2020-07-18 05:16:59,136 INFO L280 TraceCheckUtils]: 27: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-18 05:16:59,136 INFO L280 TraceCheckUtils]: 28: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-18 05:16:59,137 INFO L280 TraceCheckUtils]: 29: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-18 05:16:59,137 INFO L280 TraceCheckUtils]: 30: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,137 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 [2020-07-18 05:16:59,138 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 [2020-07-18 05:16:59,138 INFO L280 TraceCheckUtils]: 33: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-18 05:16:59,138 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 [2020-07-18 05:16:59,138 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 [2020-07-18 05:16:59,139 INFO L280 TraceCheckUtils]: 36: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-18 05:16:59,139 INFO L280 TraceCheckUtils]: 37: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-18 05:16:59,139 INFO L280 TraceCheckUtils]: 38: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-18 05:16:59,140 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 [2020-07-18 05:16:59,140 INFO L280 TraceCheckUtils]: 40: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-18 05:16:59,140 INFO L280 TraceCheckUtils]: 41: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-18 05:16:59,141 INFO L280 TraceCheckUtils]: 42: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-18 05:16:59,141 INFO L280 TraceCheckUtils]: 43: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-18 05:16:59,141 INFO L280 TraceCheckUtils]: 44: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-18 05:16:59,142 INFO L280 TraceCheckUtils]: 45: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-18 05:16:59,142 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 [2020-07-18 05:16:59,142 INFO L280 TraceCheckUtils]: 47: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-18 05:16:59,143 INFO L280 TraceCheckUtils]: 48: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-18 05:16:59,143 INFO L280 TraceCheckUtils]: 49: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-18 05:16:59,143 INFO L280 TraceCheckUtils]: 50: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,144 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 [2020-07-18 05:16:59,144 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 [2020-07-18 05:16:59,144 INFO L280 TraceCheckUtils]: 53: Hoare triple {9069#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {9069#true} is VALID [2020-07-18 05:16:59,144 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 [2020-07-18 05:16:59,145 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 [2020-07-18 05:16:59,145 INFO L280 TraceCheckUtils]: 56: Hoare triple {9069#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {9069#true} is VALID [2020-07-18 05:16:59,145 INFO L280 TraceCheckUtils]: 57: Hoare triple {9069#true} assume #t~nondet3 == ~len; {9069#true} is VALID [2020-07-18 05:16:59,146 INFO L280 TraceCheckUtils]: 58: Hoare triple {9069#true} #t~ite4 := 1; {9069#true} is VALID [2020-07-18 05:16:59,146 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 [2020-07-18 05:16:59,146 INFO L280 TraceCheckUtils]: 60: Hoare triple {9069#true} havoc #t~ite4; {9069#true} is VALID [2020-07-18 05:16:59,147 INFO L280 TraceCheckUtils]: 61: Hoare triple {9069#true} havoc #t~nondet3; {9069#true} is VALID [2020-07-18 05:16:59,147 INFO L280 TraceCheckUtils]: 62: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9069#true} is VALID [2020-07-18 05:16:59,147 INFO L280 TraceCheckUtils]: 63: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9069#true} is VALID [2020-07-18 05:16:59,148 INFO L280 TraceCheckUtils]: 64: Hoare triple {9069#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {9069#true} is VALID [2020-07-18 05:16:59,148 INFO L280 TraceCheckUtils]: 65: Hoare triple {9069#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {9069#true} is VALID [2020-07-18 05:16:59,148 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 [2020-07-18 05:16:59,149 INFO L280 TraceCheckUtils]: 67: Hoare triple {9069#true} #t~post5 := ~len; {9069#true} is VALID [2020-07-18 05:16:59,149 INFO L280 TraceCheckUtils]: 68: Hoare triple {9069#true} ~len := #t~post5 - 1; {9069#true} is VALID [2020-07-18 05:16:59,149 INFO L280 TraceCheckUtils]: 69: Hoare triple {9069#true} havoc #t~post5; {9069#true} is VALID [2020-07-18 05:16:59,150 INFO L280 TraceCheckUtils]: 70: Hoare triple {9069#true} assume !!(~len > 0); {9069#true} is VALID [2020-07-18 05:16:59,151 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 [2020-07-18 05:16:59,153 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 [2020-07-18 05:16:59,154 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 [2020-07-18 05:16:59,155 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 [2020-07-18 05:16:59,156 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 [2020-07-18 05:16:59,157 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 [2020-07-18 05:16:59,158 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 [2020-07-18 05:16:59,159 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 [2020-07-18 05:16:59,160 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 [2020-07-18 05:16:59,161 INFO L280 TraceCheckUtils]: 80: 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 [2020-07-18 05:16:59,162 INFO L280 TraceCheckUtils]: 81: 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 [2020-07-18 05:16:59,162 INFO L280 TraceCheckUtils]: 82: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:59,163 INFO L280 TraceCheckUtils]: 83: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:59,164 INFO L280 TraceCheckUtils]: 84: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:16:59,165 INFO L280 TraceCheckUtils]: 85: Hoare triple {9189#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:16:59,166 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 [2020-07-18 05:16:59,167 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 [2020-07-18 05:16:59,168 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 [2020-07-18 05:16:59,169 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 [2020-07-18 05:16:59,170 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 [2020-07-18 05:16:59,172 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 [2020-07-18 05:16:59,173 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 [2020-07-18 05:16:59,174 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 [2020-07-18 05:16:59,176 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 [2020-07-18 05:16:59,178 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 [2020-07-18 05:16:59,180 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 [2020-07-18 05:16:59,181 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 [2020-07-18 05:16:59,183 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 [2020-07-18 05:16:59,185 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 [2020-07-18 05:16:59,187 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~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 [2020-07-18 05:16:59,188 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~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 [2020-07-18 05:16:59,190 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$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:59,192 INFO L280 TraceCheckUtils]: 103: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:59,194 INFO L280 TraceCheckUtils]: 104: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:16:59,196 INFO L280 TraceCheckUtils]: 105: Hoare triple {9193#(and (= 0 (select (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8))) (= 0 dll_create_~new_head~0.offset) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$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 [2020-07-18 05:16:59,198 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 [2020-07-18 05:16:59,199 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 [2020-07-18 05:16:59,200 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 [2020-07-18 05:16:59,202 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 [2020-07-18 05:16:59,203 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 [2020-07-18 05:16:59,204 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 [2020-07-18 05:16:59,206 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 [2020-07-18 05:16:59,208 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 [2020-07-18 05:16:59,209 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 [2020-07-18 05:16:59,211 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 [2020-07-18 05:16:59,212 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 [2020-07-18 05:16:59,213 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 [2020-07-18 05:16:59,215 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 [2020-07-18 05:16:59,216 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 [2020-07-18 05:16:59,217 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 [2020-07-18 05:16:59,219 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 [2020-07-18 05:16:59,220 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 [2020-07-18 05:16:59,222 INFO L280 TraceCheckUtils]: 123: Hoare triple {9183#(= 0 |main_#t~mem8|)} #t~short9 := 0 != #t~mem8; {9184#(not |main_#t~short9|)} is VALID [2020-07-18 05:16:59,223 INFO L280 TraceCheckUtils]: 124: Hoare triple {9184#(not |main_#t~short9|)} #t~short11 := #t~short9; {9185#(not |main_#t~short11|)} is VALID [2020-07-18 05:16:59,224 INFO L280 TraceCheckUtils]: 125: Hoare triple {9185#(not |main_#t~short11|)} assume #t~short11; {9070#false} is VALID [2020-07-18 05:16:59,224 INFO L280 TraceCheckUtils]: 126: Hoare triple {9070#false} assume #t~short11; {9070#false} is VALID [2020-07-18 05:16:59,224 INFO L280 TraceCheckUtils]: 127: Hoare triple {9070#false} havoc #t~mem8; {9070#false} is VALID [2020-07-18 05:16:59,225 INFO L280 TraceCheckUtils]: 128: Hoare triple {9070#false} havoc #t~mem10; {9070#false} is VALID [2020-07-18 05:16:59,225 INFO L280 TraceCheckUtils]: 129: Hoare triple {9070#false} havoc #t~short9; {9070#false} is VALID [2020-07-18 05:16:59,225 INFO L280 TraceCheckUtils]: 130: Hoare triple {9070#false} havoc #t~short11; {9070#false} is VALID [2020-07-18 05:16:59,225 INFO L280 TraceCheckUtils]: 131: Hoare triple {9070#false} havoc #t~mem7; {9070#false} is VALID [2020-07-18 05:16:59,226 INFO L280 TraceCheckUtils]: 132: Hoare triple {9070#false} assume !false; {9070#false} is VALID [2020-07-18 05:16:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-18 05:16:59,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948732299] [2020-07-18 05:16:59,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:59,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-18 05:16:59,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298002374] [2020-07-18 05:16:59,293 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-07-18 05:16:59,294 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:59,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-18 05:16:59,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:59,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-18 05:16:59,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:59,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-18 05:16:59,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2020-07-18 05:16:59,462 INFO L87 Difference]: Start difference. First operand 183 states and 197 transitions. Second operand 18 states. [2020-07-18 05:17:04,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:04,345 INFO L93 Difference]: Finished difference Result 286 states and 310 transitions. [2020-07-18 05:17:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-18 05:17:04,345 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-07-18 05:17:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:17:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-18 05:17:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 262 transitions. [2020-07-18 05:17:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-18 05:17:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 262 transitions. [2020-07-18 05:17:04,352 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 262 transitions. [2020-07-18 05:17:04,681 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:04,687 INFO L225 Difference]: With dead ends: 286 [2020-07-18 05:17:04,688 INFO L226 Difference]: Without dead ends: 231 [2020-07-18 05:17:04,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=1013, Unknown=0, NotChecked=0, Total=1190 [2020-07-18 05:17:04,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-18 05:17:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 187. [2020-07-18 05:17:05,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:17:05,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 231 states. Second operand 187 states. [2020-07-18 05:17:05,502 INFO L74 IsIncluded]: Start isIncluded. First operand 231 states. Second operand 187 states. [2020-07-18 05:17:05,502 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 187 states. [2020-07-18 05:17:05,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:05,508 INFO L93 Difference]: Finished difference Result 231 states and 248 transitions. [2020-07-18 05:17:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2020-07-18 05:17:05,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:05,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:05,510 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 231 states. [2020-07-18 05:17:05,510 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 231 states. [2020-07-18 05:17:05,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:05,516 INFO L93 Difference]: Finished difference Result 231 states and 248 transitions. [2020-07-18 05:17:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2020-07-18 05:17:05,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:05,517 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:05,518 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:17:05,518 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:17:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-07-18 05:17:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 201 transitions. [2020-07-18 05:17:05,523 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 201 transitions. Word has length 133 [2020-07-18 05:17:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:17:05,523 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 201 transitions. [2020-07-18 05:17:05,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-18 05:17:05,524 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 187 states and 201 transitions. [2020-07-18 05:17:06,024 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 201 transitions. [2020-07-18 05:17:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-18 05:17:06,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:17:06,026 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] [2020-07-18 05:17:06,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 05:17:06,026 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:17:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:17:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2062394754, now seen corresponding path program 1 times [2020-07-18 05:17:06,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:17:06,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095221471] [2020-07-18 05:17:06,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:17:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:17:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:17:06,208 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 [2020-07-18 05:17:06,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {10646#true} #valid := #valid[0 := 0]; {10646#true} is VALID [2020-07-18 05:17:06,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {10646#true} assume 0 < #StackHeapBarrier; {10646#true} is VALID [2020-07-18 05:17:06,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {10646#true} assume true; {10646#true} is VALID [2020-07-18 05:17:06,209 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10646#true} {10646#true} #188#return; {10646#true} is VALID [2020-07-18 05:17:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:17:06,646 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 [2020-07-18 05:17:06,647 INFO L280 TraceCheckUtils]: 1: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := 0, 0; {10646#true} is VALID [2020-07-18 05:17:06,647 INFO L280 TraceCheckUtils]: 2: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,647 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 [2020-07-18 05:17:06,647 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 [2020-07-18 05:17:06,648 INFO L280 TraceCheckUtils]: 5: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-18 05:17:06,648 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 [2020-07-18 05:17:06,648 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 [2020-07-18 05:17:06,648 INFO L280 TraceCheckUtils]: 8: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-18 05:17:06,648 INFO L280 TraceCheckUtils]: 9: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-18 05:17:06,649 INFO L280 TraceCheckUtils]: 10: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-18 05:17:06,649 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 [2020-07-18 05:17:06,649 INFO L280 TraceCheckUtils]: 12: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-18 05:17:06,649 INFO L280 TraceCheckUtils]: 13: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-18 05:17:06,649 INFO L280 TraceCheckUtils]: 14: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-18 05:17:06,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-18 05:17:06,650 INFO L280 TraceCheckUtils]: 16: Hoare triple {10646#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {10646#true} is VALID [2020-07-18 05:17:06,650 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 [2020-07-18 05:17:06,650 INFO L280 TraceCheckUtils]: 18: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-18 05:17:06,650 INFO L280 TraceCheckUtils]: 19: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-18 05:17:06,650 INFO L280 TraceCheckUtils]: 20: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-18 05:17:06,651 INFO L280 TraceCheckUtils]: 21: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,651 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 [2020-07-18 05:17:06,651 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 [2020-07-18 05:17:06,651 INFO L280 TraceCheckUtils]: 24: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-18 05:17:06,651 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 [2020-07-18 05:17:06,651 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 [2020-07-18 05:17:06,652 INFO L280 TraceCheckUtils]: 27: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-18 05:17:06,652 INFO L280 TraceCheckUtils]: 28: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-18 05:17:06,652 INFO L280 TraceCheckUtils]: 29: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-18 05:17:06,652 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 [2020-07-18 05:17:06,652 INFO L280 TraceCheckUtils]: 31: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-18 05:17:06,653 INFO L280 TraceCheckUtils]: 32: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-18 05:17:06,653 INFO L280 TraceCheckUtils]: 33: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-18 05:17:06,653 INFO L280 TraceCheckUtils]: 34: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-18 05:17:06,653 INFO L280 TraceCheckUtils]: 35: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-18 05:17:06,653 INFO L280 TraceCheckUtils]: 36: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-18 05:17:06,653 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 [2020-07-18 05:17:06,654 INFO L280 TraceCheckUtils]: 38: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-18 05:17:06,654 INFO L280 TraceCheckUtils]: 39: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-18 05:17:06,654 INFO L280 TraceCheckUtils]: 40: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-18 05:17:06,654 INFO L280 TraceCheckUtils]: 41: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,654 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 [2020-07-18 05:17:06,655 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 [2020-07-18 05:17:06,655 INFO L280 TraceCheckUtils]: 44: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-18 05:17:06,655 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 [2020-07-18 05:17:06,655 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 [2020-07-18 05:17:06,655 INFO L280 TraceCheckUtils]: 47: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-18 05:17:06,655 INFO L280 TraceCheckUtils]: 48: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-18 05:17:06,656 INFO L280 TraceCheckUtils]: 49: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-18 05:17:06,656 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 [2020-07-18 05:17:06,656 INFO L280 TraceCheckUtils]: 51: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-18 05:17:06,656 INFO L280 TraceCheckUtils]: 52: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-18 05:17:06,656 INFO L280 TraceCheckUtils]: 53: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-18 05:17:06,656 INFO L280 TraceCheckUtils]: 54: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-18 05:17:06,657 INFO L280 TraceCheckUtils]: 55: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-18 05:17:06,657 INFO L280 TraceCheckUtils]: 56: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-18 05:17:06,657 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 [2020-07-18 05:17:06,657 INFO L280 TraceCheckUtils]: 58: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-18 05:17:06,657 INFO L280 TraceCheckUtils]: 59: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-18 05:17:06,658 INFO L280 TraceCheckUtils]: 60: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-18 05:17:06,658 INFO L280 TraceCheckUtils]: 61: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,659 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 [2020-07-18 05:17:06,660 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 [2020-07-18 05:17:06,661 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 [2020-07-18 05:17:06,661 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 [2020-07-18 05:17:06,662 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 [2020-07-18 05:17:06,662 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 [2020-07-18 05:17:06,663 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 [2020-07-18 05:17:06,663 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 [2020-07-18 05:17:06,664 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 [2020-07-18 05:17:06,665 INFO L280 TraceCheckUtils]: 71: 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 [2020-07-18 05:17:06,665 INFO L280 TraceCheckUtils]: 72: 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 [2020-07-18 05:17:06,666 INFO L280 TraceCheckUtils]: 73: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:17:06,666 INFO L280 TraceCheckUtils]: 74: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:17:06,667 INFO L280 TraceCheckUtils]: 75: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:17:06,668 INFO L280 TraceCheckUtils]: 76: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:17:06,668 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 [2020-07-18 05:17:06,669 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 [2020-07-18 05:17:06,669 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 [2020-07-18 05:17:06,670 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 [2020-07-18 05:17:06,671 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 [2020-07-18 05:17:06,671 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 [2020-07-18 05:17:06,672 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 [2020-07-18 05:17:06,673 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 [2020-07-18 05:17:06,674 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 [2020-07-18 05:17:06,676 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 [2020-07-18 05:17:06,677 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 [2020-07-18 05:17:06,677 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 [2020-07-18 05:17:06,678 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 [2020-07-18 05:17:06,680 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 [2020-07-18 05:17:06,681 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~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 [2020-07-18 05:17:06,682 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~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 [2020-07-18 05:17:06,683 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$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:17:06,685 INFO L280 TraceCheckUtils]: 94: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:17:06,686 INFO L280 TraceCheckUtils]: 95: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:17:06,687 INFO L280 TraceCheckUtils]: 96: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$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 [2020-07-18 05:17:06,688 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 [2020-07-18 05:17:06,689 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 [2020-07-18 05:17:06,689 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 [2020-07-18 05:17:06,690 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 [2020-07-18 05:17:06,691 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 [2020-07-18 05:17:06,691 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 [2020-07-18 05:17:06,692 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 [2020-07-18 05:17:06,693 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 [2020-07-18 05:17:06,714 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 [2020-07-18 05:17:06,714 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 [2020-07-18 05:17:06,715 INFO L280 TraceCheckUtils]: 2: Hoare triple {10646#true} #valid := #valid[0 := 0]; {10646#true} is VALID [2020-07-18 05:17:06,715 INFO L280 TraceCheckUtils]: 3: Hoare triple {10646#true} assume 0 < #StackHeapBarrier; {10646#true} is VALID [2020-07-18 05:17:06,715 INFO L280 TraceCheckUtils]: 4: Hoare triple {10646#true} assume true; {10646#true} is VALID [2020-07-18 05:17:06,715 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {10646#true} {10646#true} #188#return; {10646#true} is VALID [2020-07-18 05:17:06,715 INFO L263 TraceCheckUtils]: 6: Hoare triple {10646#true} call #t~ret20 := main(); {10646#true} is VALID [2020-07-18 05:17:06,716 INFO L280 TraceCheckUtils]: 7: Hoare triple {10646#true} ~len~0 := 5; {10646#true} is VALID [2020-07-18 05:17:06,717 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$.offset)|))} is VALID [2020-07-18 05:17:06,717 INFO L280 TraceCheckUtils]: 9: Hoare triple {10763#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {10646#true} is VALID [2020-07-18 05:17:06,717 INFO L280 TraceCheckUtils]: 10: Hoare triple {10646#true} ~head~0.base, ~head~0.offset := 0, 0; {10646#true} is VALID [2020-07-18 05:17:06,717 INFO L280 TraceCheckUtils]: 11: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,718 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 [2020-07-18 05:17:06,718 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 [2020-07-18 05:17:06,718 INFO L280 TraceCheckUtils]: 14: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-18 05:17:06,718 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 [2020-07-18 05:17:06,718 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 [2020-07-18 05:17:06,718 INFO L280 TraceCheckUtils]: 17: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-18 05:17:06,719 INFO L280 TraceCheckUtils]: 18: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-18 05:17:06,719 INFO L280 TraceCheckUtils]: 19: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-18 05:17:06,719 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 [2020-07-18 05:17:06,719 INFO L280 TraceCheckUtils]: 21: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-18 05:17:06,719 INFO L280 TraceCheckUtils]: 22: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-18 05:17:06,719 INFO L280 TraceCheckUtils]: 23: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-18 05:17:06,720 INFO L280 TraceCheckUtils]: 24: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-18 05:17:06,720 INFO L280 TraceCheckUtils]: 25: Hoare triple {10646#true} assume !(~head~0.base != 0 || ~head~0.offset != 0); {10646#true} is VALID [2020-07-18 05:17:06,720 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 [2020-07-18 05:17:06,720 INFO L280 TraceCheckUtils]: 27: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-18 05:17:06,720 INFO L280 TraceCheckUtils]: 28: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-18 05:17:06,721 INFO L280 TraceCheckUtils]: 29: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-18 05:17:06,721 INFO L280 TraceCheckUtils]: 30: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,721 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 [2020-07-18 05:17:06,721 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 [2020-07-18 05:17:06,721 INFO L280 TraceCheckUtils]: 33: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-18 05:17:06,721 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 [2020-07-18 05:17:06,723 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 [2020-07-18 05:17:06,723 INFO L280 TraceCheckUtils]: 36: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-18 05:17:06,723 INFO L280 TraceCheckUtils]: 37: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-18 05:17:06,723 INFO L280 TraceCheckUtils]: 38: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-18 05:17:06,724 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 [2020-07-18 05:17:06,724 INFO L280 TraceCheckUtils]: 40: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-18 05:17:06,724 INFO L280 TraceCheckUtils]: 41: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-18 05:17:06,724 INFO L280 TraceCheckUtils]: 42: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-18 05:17:06,724 INFO L280 TraceCheckUtils]: 43: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-18 05:17:06,725 INFO L280 TraceCheckUtils]: 44: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-18 05:17:06,726 INFO L280 TraceCheckUtils]: 45: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-18 05:17:06,726 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 [2020-07-18 05:17:06,726 INFO L280 TraceCheckUtils]: 47: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-18 05:17:06,726 INFO L280 TraceCheckUtils]: 48: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-18 05:17:06,726 INFO L280 TraceCheckUtils]: 49: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-18 05:17:06,727 INFO L280 TraceCheckUtils]: 50: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,727 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 [2020-07-18 05:17:06,727 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 [2020-07-18 05:17:06,727 INFO L280 TraceCheckUtils]: 53: Hoare triple {10646#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {10646#true} is VALID [2020-07-18 05:17:06,727 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 [2020-07-18 05:17:06,728 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 [2020-07-18 05:17:06,728 INFO L280 TraceCheckUtils]: 56: Hoare triple {10646#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {10646#true} is VALID [2020-07-18 05:17:06,728 INFO L280 TraceCheckUtils]: 57: Hoare triple {10646#true} assume #t~nondet3 == ~len; {10646#true} is VALID [2020-07-18 05:17:06,728 INFO L280 TraceCheckUtils]: 58: Hoare triple {10646#true} #t~ite4 := 1; {10646#true} is VALID [2020-07-18 05:17:06,728 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 [2020-07-18 05:17:06,729 INFO L280 TraceCheckUtils]: 60: Hoare triple {10646#true} havoc #t~ite4; {10646#true} is VALID [2020-07-18 05:17:06,729 INFO L280 TraceCheckUtils]: 61: Hoare triple {10646#true} havoc #t~nondet3; {10646#true} is VALID [2020-07-18 05:17:06,729 INFO L280 TraceCheckUtils]: 62: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10646#true} is VALID [2020-07-18 05:17:06,729 INFO L280 TraceCheckUtils]: 63: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10646#true} is VALID [2020-07-18 05:17:06,729 INFO L280 TraceCheckUtils]: 64: Hoare triple {10646#true} assume ~head~0.base != 0 || ~head~0.offset != 0; {10646#true} is VALID [2020-07-18 05:17:06,730 INFO L280 TraceCheckUtils]: 65: Hoare triple {10646#true} SUMMARY for call write~$Pointer$(~new_head~0.base, ~new_head~0.offset, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L580 {10646#true} is VALID [2020-07-18 05:17:06,730 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 [2020-07-18 05:17:06,730 INFO L280 TraceCheckUtils]: 67: Hoare triple {10646#true} #t~post5 := ~len; {10646#true} is VALID [2020-07-18 05:17:06,730 INFO L280 TraceCheckUtils]: 68: Hoare triple {10646#true} ~len := #t~post5 - 1; {10646#true} is VALID [2020-07-18 05:17:06,730 INFO L280 TraceCheckUtils]: 69: Hoare triple {10646#true} havoc #t~post5; {10646#true} is VALID [2020-07-18 05:17:06,730 INFO L280 TraceCheckUtils]: 70: Hoare triple {10646#true} assume !!(~len > 0); {10646#true} is VALID [2020-07-18 05:17:06,732 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 [2020-07-18 05:17:06,733 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 [2020-07-18 05:17:06,733 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 [2020-07-18 05:17:06,734 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 [2020-07-18 05:17:06,735 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 [2020-07-18 05:17:06,735 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 [2020-07-18 05:17:06,736 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 [2020-07-18 05:17:06,736 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 [2020-07-18 05:17:06,737 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 [2020-07-18 05:17:06,738 INFO L280 TraceCheckUtils]: 80: 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 [2020-07-18 05:17:06,738 INFO L280 TraceCheckUtils]: 81: 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 [2020-07-18 05:17:06,739 INFO L280 TraceCheckUtils]: 82: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:17:06,739 INFO L280 TraceCheckUtils]: 83: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:17:06,740 INFO L280 TraceCheckUtils]: 84: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} is VALID [2020-07-18 05:17:06,741 INFO L280 TraceCheckUtils]: 85: Hoare triple {10765#(= 1 (select |#valid| dll_create_~new_head~0.base))} SUMMARY for call write~$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 [2020-07-18 05:17:06,742 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 [2020-07-18 05:17:06,742 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 [2020-07-18 05:17:06,743 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 [2020-07-18 05:17:06,743 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 [2020-07-18 05:17:06,744 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 [2020-07-18 05:17:06,745 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 [2020-07-18 05:17:06,746 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 [2020-07-18 05:17:06,747 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 [2020-07-18 05:17:06,748 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 [2020-07-18 05:17:06,750 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 [2020-07-18 05:17:06,751 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 [2020-07-18 05:17:06,752 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 [2020-07-18 05:17:06,753 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 [2020-07-18 05:17:06,755 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 [2020-07-18 05:17:06,756 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~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 [2020-07-18 05:17:06,758 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~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 [2020-07-18 05:17:06,759 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$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4); srcloc: L577 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:17:06,761 INFO L280 TraceCheckUtils]: 103: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~new_head~0.base, 12 + ~new_head~0.offset, 4); srcloc: L577-1 {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:17:06,762 INFO L280 TraceCheckUtils]: 104: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} assume ~head~0.base != 0 || ~head~0.offset != 0; {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} is VALID [2020-07-18 05:17:06,763 INFO L280 TraceCheckUtils]: 105: Hoare triple {10769#(and (= 0 (select (store (select |#memory_int| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 8) 0) dll_create_~new_head~0.offset)) (not (= dll_create_~new_head~0.base dll_create_~head~0.base)))} SUMMARY for call write~$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 [2020-07-18 05:17:06,764 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 [2020-07-18 05:17:06,765 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 [2020-07-18 05:17:06,766 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 [2020-07-18 05:17:06,766 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 [2020-07-18 05:17:06,767 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 [2020-07-18 05:17:06,768 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 [2020-07-18 05:17:06,768 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 [2020-07-18 05:17:06,769 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 [2020-07-18 05:17:06,770 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 [2020-07-18 05:17:06,771 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 [2020-07-18 05:17:06,771 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$(~head~1.base, 4 + ~head~1.offset, 4); srcloc: L590-5 {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-18 05:17:06,772 INFO L280 TraceCheckUtils]: 117: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} assume !(#t~mem13.base != 0 || #t~mem13.offset != 0); {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-18 05:17:06,773 INFO L280 TraceCheckUtils]: 118: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} havoc #t~mem13.base, #t~mem13.offset; {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-18 05:17:06,773 INFO L280 TraceCheckUtils]: 119: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} assume !!(~head~1.base != 0 || ~head~1.offset != 0); {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} is VALID [2020-07-18 05:17:06,774 INFO L280 TraceCheckUtils]: 120: Hoare triple {10759#(= 0 (select (select |#memory_int| main_~head~1.base) main_~head~1.offset))} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$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 [2020-07-18 05:17:06,774 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 [2020-07-18 05:17:06,775 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 [2020-07-18 05:17:06,776 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 [2020-07-18 05:17:06,777 INFO L280 TraceCheckUtils]: 124: Hoare triple {10760#(= |main_#t~mem15| 0)} #t~short17 := 0 != #t~mem15; {10761#(not |main_#t~short17|)} is VALID [2020-07-18 05:17:06,777 INFO L280 TraceCheckUtils]: 125: Hoare triple {10761#(not |main_#t~short17|)} assume #t~short17; {10647#false} is VALID [2020-07-18 05:17:06,778 INFO L280 TraceCheckUtils]: 126: Hoare triple {10647#false} #t~short19 := #t~short17; {10647#false} is VALID [2020-07-18 05:17:06,778 INFO L280 TraceCheckUtils]: 127: Hoare triple {10647#false} assume #t~short19; {10647#false} is VALID [2020-07-18 05:17:06,778 INFO L280 TraceCheckUtils]: 128: Hoare triple {10647#false} assume #t~short19; {10647#false} is VALID [2020-07-18 05:17:06,778 INFO L280 TraceCheckUtils]: 129: Hoare triple {10647#false} havoc #t~short19; {10647#false} is VALID [2020-07-18 05:17:06,778 INFO L280 TraceCheckUtils]: 130: Hoare triple {10647#false} havoc #t~mem15; {10647#false} is VALID [2020-07-18 05:17:06,779 INFO L280 TraceCheckUtils]: 131: Hoare triple {10647#false} havoc #t~mem16; {10647#false} is VALID [2020-07-18 05:17:06,779 INFO L280 TraceCheckUtils]: 132: Hoare triple {10647#false} havoc #t~short17; {10647#false} is VALID [2020-07-18 05:17:06,779 INFO L280 TraceCheckUtils]: 133: Hoare triple {10647#false} havoc #t~mem18; {10647#false} is VALID [2020-07-18 05:17:06,779 INFO L280 TraceCheckUtils]: 134: Hoare triple {10647#false} assume !false; {10647#false} is VALID [2020-07-18 05:17:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 118 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-18 05:17:06,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095221471] [2020-07-18 05:17:06,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:17:06,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-18 05:17:06,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644912353] [2020-07-18 05:17:06,813 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 135 [2020-07-18 05:17:06,814 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:17:06,814 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-18 05:17:06,929 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:06,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-18 05:17:06,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:17:06,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-18 05:17:06,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-07-18 05:17:06,930 INFO L87 Difference]: Start difference. First operand 187 states and 201 transitions. Second operand 17 states. [2020-07-18 05:17:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:10,947 INFO L93 Difference]: Finished difference Result 281 states and 301 transitions. [2020-07-18 05:17:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-18 05:17:10,947 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 135 [2020-07-18 05:17:10,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:17:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 05:17:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2020-07-18 05:17:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 05:17:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2020-07-18 05:17:10,953 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 231 transitions. [2020-07-18 05:17:11,255 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:11,262 INFO L225 Difference]: With dead ends: 281 [2020-07-18 05:17:11,263 INFO L226 Difference]: Without dead ends: 253 [2020-07-18 05:17:11,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2020-07-18 05:17:11,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-18 05:17:12,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 195. [2020-07-18 05:17:12,124 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:17:12,124 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 195 states. [2020-07-18 05:17:12,124 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 195 states. [2020-07-18 05:17:12,124 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 195 states. [2020-07-18 05:17:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:12,132 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2020-07-18 05:17:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2020-07-18 05:17:12,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:12,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:12,133 INFO L74 IsIncluded]: Start isIncluded. First operand 195 states. Second operand 253 states. [2020-07-18 05:17:12,133 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 253 states. [2020-07-18 05:17:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:12,141 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2020-07-18 05:17:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2020-07-18 05:17:12,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:12,142 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:12,142 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:17:12,142 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:17:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-18 05:17:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 209 transitions. [2020-07-18 05:17:12,147 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 209 transitions. Word has length 135 [2020-07-18 05:17:12,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:17:12,147 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 209 transitions. [2020-07-18 05:17:12,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-18 05:17:12,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 195 states and 209 transitions. [2020-07-18 05:17:12,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 209 transitions. [2020-07-18 05:17:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-18 05:17:12,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:17:12,640 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] [2020-07-18 05:17:12,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 05:17:12,641 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:17:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:17:12,641 INFO L82 PathProgramCache]: Analyzing trace with hash -414346707, now seen corresponding path program 1 times [2020-07-18 05:17:12,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:17:12,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898495889] [2020-07-18 05:17:12,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:17:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:17:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:17:12,864 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:17:12,865 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:17:12,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 05:17:12,983 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:17:12,983 WARN L170 areAnnotationChecker]: myexitENTRY has no Hoare annotation [2020-07-18 05:17:12,983 WARN L170 areAnnotationChecker]: dll_createENTRY has no Hoare annotation [2020-07-18 05:17:12,983 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:17:12,984 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L569-2 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L569-2 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L569-2 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-18 05:17:12,985 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: L569-3 has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: L589-2 has no Hoare annotation [2020-07-18 05:17:12,986 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: dll_createFINAL has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L570-1 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L590-5 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L590-5 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: dll_createEXIT has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-18 05:17:12,987 WARN L170 areAnnotationChecker]: L590-1 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L590-1 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L571-1 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L596-2 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L590-4 has no Hoare annotation [2020-07-18 05:17:12,988 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L597-1 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L591-1 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-18 05:17:12,989 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L591-2 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L591-2 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L576-1 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L576-3 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L598-1 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L591-6 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L591-4 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L576-4 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L598-2 has no Hoare annotation [2020-07-18 05:17:12,990 WARN L170 areAnnotationChecker]: L591-7 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L591-7 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L591-5 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L576-5 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L598-6 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L598-4 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L591-11 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L591-11 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L591-9 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L576-6 has no Hoare annotation [2020-07-18 05:17:12,991 WARN L170 areAnnotationChecker]: L598-7 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L598-7 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L598-5 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L591-12 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L591-17 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L591-10 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L598-11 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L598-11 has no Hoare annotation [2020-07-18 05:17:12,992 WARN L170 areAnnotationChecker]: L598-9 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L591-13 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L591-18 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L577-1 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L598-12 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L598-17 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L598-10 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L591-14 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L591-19 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-18 05:17:12,993 WARN L170 areAnnotationChecker]: L598-13 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L598-18 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L591-15 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L591-20 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L598-14 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L598-19 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L591-16 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L591-21 has no Hoare annotation [2020-07-18 05:17:12,994 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L598-15 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L598-20 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L599 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L599 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L583-1 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L598-16 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L598-21 has no Hoare annotation [2020-07-18 05:17:12,995 WARN L170 areAnnotationChecker]: L606 has no Hoare annotation [2020-07-18 05:17:12,996 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-18 05:17:12,996 WARN L170 areAnnotationChecker]: L583-2 has no Hoare annotation [2020-07-18 05:17:12,996 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-18 05:17:12,996 WARN L170 areAnnotationChecker]: L594-2 has no Hoare annotation [2020-07-18 05:17:12,996 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-18 05:17:12,996 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. [2020-07-18 05:17:13,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:17:13 BoogieIcfgContainer [2020-07-18 05:17:13,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:17:13,004 INFO L168 Benchmark]: Toolchain (without parser) took 41619.28 ms. Allocated memory was 138.9 MB in the beginning and 549.5 MB in the end (delta: 410.5 MB). Free memory was 103.1 MB in the beginning and 490.9 MB in the end (delta: -387.9 MB). Peak memory consumption was 410.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:13,005 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 05:17:13,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.46 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 102.6 MB in the beginning and 170.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:13,006 INFO L168 Benchmark]: Boogie Preprocessor took 82.67 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:13,006 INFO L168 Benchmark]: RCFGBuilder took 886.10 ms. Allocated memory is still 204.5 MB. Free memory was 166.6 MB in the beginning and 100.3 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:13,007 INFO L168 Benchmark]: TraceAbstraction took 39903.44 ms. Allocated memory was 204.5 MB in the beginning and 549.5 MB in the end (delta: 345.0 MB). Free memory was 99.6 MB in the beginning and 490.9 MB in the end (delta: -391.3 MB). Peak memory consumption was 341.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:13,009 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 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.46 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 102.6 MB in the beginning and 170.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.67 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 886.10 ms. Allocated memory is still 204.5 MB. Free memory was 166.6 MB in the beginning and 100.3 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39903.44 ms. Allocated memory was 204.5 MB in the beginning and 549.5 MB in the end (delta: 345.0 MB). Free memory was 99.6 MB in the beginning and 490.9 MB in the end (delta: -391.3 MB). Peak memory consumption was 341.7 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: 39.6s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 920 SDtfs, 1499 SDslu, 6155 SDs, 0 SdLazy, 3407 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 63 SyntacticMatches, 8 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 4.0s 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: 3.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 328 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s 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...