/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 19:05:17,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:05:17,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:05:17,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 19:05:17,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 19:05:17,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 19:05:17,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 19:05:17,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 19:05:17,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 19:05:17,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 19:05:17,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 19:05:17,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 19:05:17,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 19:05:17,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 19:05:17,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 19:05:17,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 19:05:17,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 19:05:17,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 19:05:17,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 19:05:17,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 19:05:17,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 19:05:17,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 19:05:17,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 19:05:17,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 19:05:17,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 19:05:17,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 19:05:17,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 19:05:17,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 19:05:17,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 19:05:17,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 19:05:17,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 19:05:17,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 19:05:17,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 19:05:17,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 19:05:17,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 19:05:17,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 19:05:17,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 19:05:17,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 19:05:17,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 19:05:17,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 19:05:17,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 19:05:17,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:05:17,333 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:05:17,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:05:17,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:05:17,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:05:17,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:05:17,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:05:17,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:05:17,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:05:17,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:05:17,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:05:17,337 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:05:17,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:05:17,337 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:05:17,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:05:17,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:05:17,338 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:05:17,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:05:17,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:05:17,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:05:17,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:05:17,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:05:17,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:05:17,339 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:05:17,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:05:17,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:05:17,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:05:17,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:05:17,664 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:05:17,665 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2020-07-10 19:05:17,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022b02718/5f3a14338f41473c81f3bd14ef6ad778/FLAG3fb666ac0 [2020-07-10 19:05:18,248 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:05:18,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2020-07-10 19:05:18,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022b02718/5f3a14338f41473c81f3bd14ef6ad778/FLAG3fb666ac0 [2020-07-10 19:05:18,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022b02718/5f3a14338f41473c81f3bd14ef6ad778 [2020-07-10 19:05:18,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:05:18,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:05:18,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:05:18,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:05:18,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:05:18,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:05:18" (1/1) ... [2020-07-10 19:05:18,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c6ecdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:18, skipping insertion in model container [2020-07-10 19:05:18,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:05:18" (1/1) ... [2020-07-10 19:05:18,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:05:18,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:05:19,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:05:19,135 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:05:19,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:05:19,245 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:05:19,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19 WrapperNode [2020-07-10 19:05:19,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:05:19,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:05:19,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:05:19,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:05:19,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (1/1) ... [2020-07-10 19:05:19,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:05:19,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:05:19,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:05:19,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:05:19,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (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 [2020-07-10 19:05:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:05:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:05:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-10 19:05:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-10 19:05:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-10 19:05:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-10 19:05:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2020-07-10 19:05:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-10 19:05:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2020-07-10 19:05:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2020-07-10 19:05:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:05:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:05:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 19:05:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-10 19:05:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-10 19:05:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-10 19:05:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-10 19:05:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-10 19:05:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-10 19:05:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-10 19:05:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-10 19:05:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-10 19:05:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-10 19:05:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-10 19:05:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-10 19:05:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-10 19:05:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-10 19:05:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-10 19:05:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-10 19:05:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-10 19:05:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-10 19:05:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-10 19:05:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-10 19:05:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-10 19:05:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-10 19:05:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-10 19:05:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-10 19:05:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-10 19:05:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-10 19:05:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-10 19:05:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-10 19:05:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-10 19:05:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-10 19:05:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-10 19:05:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-10 19:05:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-10 19:05:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-10 19:05:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-10 19:05:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-10 19:05:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-10 19:05:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 19:05:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-10 19:05:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-10 19:05:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-10 19:05:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-10 19:05:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-10 19:05:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 19:05:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-10 19:05:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-10 19:05:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-10 19:05:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-10 19:05:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-10 19:05:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-10 19:05:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-10 19:05:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-10 19:05:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-10 19:05:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-10 19:05:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-10 19:05:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-10 19:05:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-10 19:05:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-10 19:05:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-10 19:05:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-10 19:05:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-10 19:05:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-10 19:05:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-10 19:05:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-10 19:05:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-10 19:05:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-10 19:05:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-10 19:05:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-10 19:05:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-10 19:05:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-10 19:05:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-10 19:05:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-10 19:05:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-10 19:05:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-10 19:05:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-10 19:05:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-10 19:05:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-10 19:05:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 19:05:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 19:05:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2020-07-10 19:05:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 19:05:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-10 19:05:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 19:05:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2020-07-10 19:05:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2020-07-10 19:05:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:05:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 19:05:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-10 19:05:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:05:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:05:19,852 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-10 19:05:20,298 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:05:20,298 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-10 19:05:20,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:05:20 BoogieIcfgContainer [2020-07-10 19:05:20,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:05:20,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:05:20,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:05:20,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:05:20,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:05:18" (1/3) ... [2020-07-10 19:05:20,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305cdb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:05:20, skipping insertion in model container [2020-07-10 19:05:20,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:05:19" (2/3) ... [2020-07-10 19:05:20,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305cdb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:05:20, skipping insertion in model container [2020-07-10 19:05:20,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:05:20" (3/3) ... [2020-07-10 19:05:20,326 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2020-07-10 19:05:20,338 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:05:20,347 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 19:05:20,362 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 19:05:20,385 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:05:20,386 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:05:20,386 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:05:20,386 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:05:20,386 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:05:20,386 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:05:20,386 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:05:20,387 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:05:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-07-10 19:05:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-10 19:05:20,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:20,420 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:20,421 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:20,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:20,426 INFO L82 PathProgramCache]: Analyzing trace with hash 422432984, now seen corresponding path program 1 times [2020-07-10 19:05:20,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:20,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320092935] [2020-07-10 19:05:20,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:20,710 INFO L280 TraceCheckUtils]: 0: Hoare triple {178#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {145#true} is VALID [2020-07-10 19:05:20,710 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} #valid := #valid[0 := 0]; {145#true} is VALID [2020-07-10 19:05:20,711 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume 0 < #StackHeapBarrier; {145#true} is VALID [2020-07-10 19:05:20,713 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-10 19:05:20,713 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {145#true} {145#true} #259#return; {145#true} is VALID [2020-07-10 19:05:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:20,735 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-10 19:05:20,736 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-10 19:05:20,736 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-10 19:05:20,737 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-10 19:05:20,737 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-10 19:05:20,738 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-10 19:05:20,738 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {146#false} {145#true} #243#return; {146#false} is VALID [2020-07-10 19:05:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:20,769 INFO L280 TraceCheckUtils]: 0: Hoare triple {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {145#true} is VALID [2020-07-10 19:05:20,770 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~head~0.base, ~head~0.offset := 0, 0; {145#true} is VALID [2020-07-10 19:05:20,771 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-10 19:05:20,771 INFO L280 TraceCheckUtils]: 3: Hoare triple {146#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {146#false} is VALID [2020-07-10 19:05:20,771 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-10 19:05:20,772 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {146#false} {146#false} #245#return; {146#false} is VALID [2020-07-10 19:05:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:20,781 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-10 19:05:20,782 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-10 19:05:20,782 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-10 19:05:20,783 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-10 19:05:20,784 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-10 19:05:20,784 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-10 19:05:20,784 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {146#false} {146#false} #247#return; {146#false} is VALID [2020-07-10 19:05:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:20,796 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {145#true} is VALID [2020-07-10 19:05:20,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~len~0 := 0; {145#true} is VALID [2020-07-10 19:05:20,797 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume !(~head.base != 0 || ~head.offset != 0); {145#true} is VALID [2020-07-10 19:05:20,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} #res := ~len~0; {145#true} is VALID [2020-07-10 19:05:20,798 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-10 19:05:20,798 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {145#true} {146#false} #253#return; {146#false} is VALID [2020-07-10 19:05:20,800 INFO L263 TraceCheckUtils]: 0: Hoare triple {145#true} call ULTIMATE.init(); {178#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:20,801 INFO L280 TraceCheckUtils]: 1: Hoare triple {178#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {145#true} is VALID [2020-07-10 19:05:20,801 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} #valid := #valid[0 := 0]; {145#true} is VALID [2020-07-10 19:05:20,802 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume 0 < #StackHeapBarrier; {145#true} is VALID [2020-07-10 19:05:20,802 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-10 19:05:20,802 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {145#true} {145#true} #259#return; {145#true} is VALID [2020-07-10 19:05:20,803 INFO L263 TraceCheckUtils]: 6: Hoare triple {145#true} call #t~ret24 := main(); {145#true} is VALID [2020-07-10 19:05:20,803 INFO L263 TraceCheckUtils]: 7: Hoare triple {145#true} call #t~ret14 := _get_nondet_int(2, 5); {145#true} is VALID [2020-07-10 19:05:20,804 INFO L280 TraceCheckUtils]: 8: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-10 19:05:20,804 INFO L280 TraceCheckUtils]: 9: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-10 19:05:20,804 INFO L280 TraceCheckUtils]: 10: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-10 19:05:20,805 INFO L280 TraceCheckUtils]: 11: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-10 19:05:20,806 INFO L280 TraceCheckUtils]: 12: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-10 19:05:20,806 INFO L280 TraceCheckUtils]: 13: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-10 19:05:20,806 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {146#false} {145#true} #243#return; {146#false} is VALID [2020-07-10 19:05:20,807 INFO L280 TraceCheckUtils]: 15: Hoare triple {146#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {146#false} is VALID [2020-07-10 19:05:20,807 INFO L280 TraceCheckUtils]: 16: Hoare triple {146#false} ~len~2 := #t~ret14; {146#false} is VALID [2020-07-10 19:05:20,807 INFO L280 TraceCheckUtils]: 17: Hoare triple {146#false} havoc #t~ret14; {146#false} is VALID [2020-07-10 19:05:20,808 INFO L280 TraceCheckUtils]: 18: Hoare triple {146#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {146#false} is VALID [2020-07-10 19:05:20,808 INFO L263 TraceCheckUtils]: 19: Hoare triple {146#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:20,809 INFO L280 TraceCheckUtils]: 20: Hoare triple {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {145#true} is VALID [2020-07-10 19:05:20,809 INFO L280 TraceCheckUtils]: 21: Hoare triple {145#true} ~head~0.base, ~head~0.offset := 0, 0; {145#true} is VALID [2020-07-10 19:05:20,810 INFO L280 TraceCheckUtils]: 22: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-10 19:05:20,810 INFO L280 TraceCheckUtils]: 23: Hoare triple {146#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {146#false} is VALID [2020-07-10 19:05:20,811 INFO L280 TraceCheckUtils]: 24: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-10 19:05:20,811 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {146#false} {146#false} #245#return; {146#false} is VALID [2020-07-10 19:05:20,811 INFO L280 TraceCheckUtils]: 26: Hoare triple {146#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {146#false} is VALID [2020-07-10 19:05:20,812 INFO L280 TraceCheckUtils]: 27: Hoare triple {146#false} havoc #t~ret15.base, #t~ret15.offset; {146#false} is VALID [2020-07-10 19:05:20,812 INFO L263 TraceCheckUtils]: 28: Hoare triple {146#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {145#true} is VALID [2020-07-10 19:05:20,813 INFO L280 TraceCheckUtils]: 29: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-10 19:05:20,813 INFO L280 TraceCheckUtils]: 30: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-10 19:05:20,813 INFO L280 TraceCheckUtils]: 31: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-10 19:05:20,814 INFO L280 TraceCheckUtils]: 32: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-10 19:05:20,815 INFO L280 TraceCheckUtils]: 33: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-10 19:05:20,815 INFO L280 TraceCheckUtils]: 34: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-10 19:05:20,816 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {146#false} {146#false} #247#return; {146#false} is VALID [2020-07-10 19:05:20,816 INFO L280 TraceCheckUtils]: 36: Hoare triple {146#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {146#false} is VALID [2020-07-10 19:05:20,816 INFO L280 TraceCheckUtils]: 37: Hoare triple {146#false} ~k~0 := #t~ret16; {146#false} is VALID [2020-07-10 19:05:20,817 INFO L280 TraceCheckUtils]: 38: Hoare triple {146#false} havoc #t~ret16; {146#false} is VALID [2020-07-10 19:05:20,817 INFO L280 TraceCheckUtils]: 39: Hoare triple {146#false} ~i~0 := 0; {146#false} is VALID [2020-07-10 19:05:20,817 INFO L280 TraceCheckUtils]: 40: Hoare triple {146#false} assume !true; {146#false} is VALID [2020-07-10 19:05:20,818 INFO L280 TraceCheckUtils]: 41: Hoare triple {146#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {146#false} is VALID [2020-07-10 19:05:20,818 INFO L263 TraceCheckUtils]: 42: Hoare triple {146#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {145#true} is VALID [2020-07-10 19:05:20,818 INFO L280 TraceCheckUtils]: 43: Hoare triple {145#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {145#true} is VALID [2020-07-10 19:05:20,819 INFO L280 TraceCheckUtils]: 44: Hoare triple {145#true} ~len~0 := 0; {145#true} is VALID [2020-07-10 19:05:20,819 INFO L280 TraceCheckUtils]: 45: Hoare triple {145#true} assume !(~head.base != 0 || ~head.offset != 0); {145#true} is VALID [2020-07-10 19:05:20,819 INFO L280 TraceCheckUtils]: 46: Hoare triple {145#true} #res := ~len~0; {145#true} is VALID [2020-07-10 19:05:20,820 INFO L280 TraceCheckUtils]: 47: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-10 19:05:20,820 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {145#true} {146#false} #253#return; {146#false} is VALID [2020-07-10 19:05:20,820 INFO L280 TraceCheckUtils]: 49: Hoare triple {146#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {146#false} is VALID [2020-07-10 19:05:20,821 INFO L280 TraceCheckUtils]: 50: Hoare triple {146#false} assume ~k~0 + ~len~2 != #t~ret22; {146#false} is VALID [2020-07-10 19:05:20,821 INFO L280 TraceCheckUtils]: 51: Hoare triple {146#false} havoc #t~mem21.base, #t~mem21.offset; {146#false} is VALID [2020-07-10 19:05:20,822 INFO L280 TraceCheckUtils]: 52: Hoare triple {146#false} havoc #t~ret22; {146#false} is VALID [2020-07-10 19:05:20,822 INFO L280 TraceCheckUtils]: 53: Hoare triple {146#false} assume !false; {146#false} is VALID [2020-07-10 19:05:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-10 19:05:20,837 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:20,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320092935] [2020-07-10 19:05:20,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:20,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 19:05:20,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785269458] [2020-07-10 19:05:20,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-07-10 19:05:20,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:20,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 19:05:20,967 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:20,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 19:05:20,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:20,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 19:05:20,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 19:05:20,983 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 4 states. [2020-07-10 19:05:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:22,203 INFO L93 Difference]: Finished difference Result 289 states and 337 transitions. [2020-07-10 19:05:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 19:05:22,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-07-10 19:05:22,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 19:05:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2020-07-10 19:05:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 19:05:22,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2020-07-10 19:05:22,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 337 transitions. [2020-07-10 19:05:22,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 337 edges. 337 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:22,715 INFO L225 Difference]: With dead ends: 289 [2020-07-10 19:05:22,715 INFO L226 Difference]: Without dead ends: 123 [2020-07-10 19:05:22,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 19:05:22,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-10 19:05:22,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2020-07-10 19:05:22,912 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:22,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 114 states. [2020-07-10 19:05:22,913 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 114 states. [2020-07-10 19:05:22,914 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 114 states. [2020-07-10 19:05:22,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:22,925 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-10 19:05:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-07-10 19:05:22,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:22,927 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:22,927 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 123 states. [2020-07-10 19:05:22,927 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 123 states. [2020-07-10 19:05:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:22,937 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-10 19:05:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-07-10 19:05:22,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:22,939 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:22,939 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:22,939 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-10 19:05:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2020-07-10 19:05:22,948 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 54 [2020-07-10 19:05:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:22,948 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2020-07-10 19:05:22,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 19:05:22,948 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 123 transitions. [2020-07-10 19:05:23,104 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2020-07-10 19:05:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-10 19:05:23,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:23,110 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:23,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:05:23,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:23,112 INFO L82 PathProgramCache]: Analyzing trace with hash 333013349, now seen corresponding path program 1 times [2020-07-10 19:05:23,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:23,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171076155] [2020-07-10 19:05:23,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:23,247 INFO L280 TraceCheckUtils]: 0: Hoare triple {1281#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1237#true} is VALID [2020-07-10 19:05:23,248 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} #valid := #valid[0 := 0]; {1237#true} is VALID [2020-07-10 19:05:23,248 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} assume 0 < #StackHeapBarrier; {1237#true} is VALID [2020-07-10 19:05:23,248 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,249 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1237#true} {1237#true} #259#return; {1237#true} is VALID [2020-07-10 19:05:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:23,418 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~from := #in~from; {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:23,419 INFO L280 TraceCheckUtils]: 1: Hoare triple {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-10 19:05:23,421 INFO L280 TraceCheckUtils]: 2: Hoare triple {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,423 INFO L280 TraceCheckUtils]: 3: Hoare triple {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,424 INFO L280 TraceCheckUtils]: 4: Hoare triple {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,429 INFO L280 TraceCheckUtils]: 5: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,430 INFO L280 TraceCheckUtils]: 6: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,430 INFO L280 TraceCheckUtils]: 7: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,431 INFO L280 TraceCheckUtils]: 8: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,432 INFO L280 TraceCheckUtils]: 9: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,433 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1237#true} #243#return; {1238#false} is VALID [2020-07-10 19:05:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:23,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {1287#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1237#true} is VALID [2020-07-10 19:05:23,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~head~0.base, ~head~0.offset := 0, 0; {1237#true} is VALID [2020-07-10 19:05:23,467 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} #t~post2 := ~len; {1237#true} is VALID [2020-07-10 19:05:23,467 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} ~len := #t~post2 - 1; {1237#true} is VALID [2020-07-10 19:05:23,468 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume !(#t~post2 > 0); {1237#true} is VALID [2020-07-10 19:05:23,468 INFO L280 TraceCheckUtils]: 5: Hoare triple {1237#true} havoc #t~post2; {1237#true} is VALID [2020-07-10 19:05:23,468 INFO L280 TraceCheckUtils]: 6: Hoare triple {1237#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1237#true} is VALID [2020-07-10 19:05:23,469 INFO L280 TraceCheckUtils]: 7: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,469 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1237#true} {1238#false} #245#return; {1238#false} is VALID [2020-07-10 19:05:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:23,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~from := #in~from; {1237#true} is VALID [2020-07-10 19:05:23,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~until := #in~until; {1237#true} is VALID [2020-07-10 19:05:23,481 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} ~len~1 := ~from; {1237#true} is VALID [2020-07-10 19:05:23,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} #t~short12 := ~len~1 < ~until; {1237#true} is VALID [2020-07-10 19:05:23,482 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-10 19:05:23,482 INFO L280 TraceCheckUtils]: 5: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-10 19:05:23,482 INFO L280 TraceCheckUtils]: 6: Hoare triple {1237#true} havoc #t~short12; {1237#true} is VALID [2020-07-10 19:05:23,483 INFO L280 TraceCheckUtils]: 7: Hoare triple {1237#true} havoc #t~nondet11; {1237#true} is VALID [2020-07-10 19:05:23,483 INFO L280 TraceCheckUtils]: 8: Hoare triple {1237#true} #res := ~len~1; {1237#true} is VALID [2020-07-10 19:05:23,483 INFO L280 TraceCheckUtils]: 9: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,483 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1237#true} {1238#false} #247#return; {1238#false} is VALID [2020-07-10 19:05:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:23,491 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1237#true} is VALID [2020-07-10 19:05:23,492 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~len~0 := 0; {1237#true} is VALID [2020-07-10 19:05:23,492 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} assume !(~head.base != 0 || ~head.offset != 0); {1237#true} is VALID [2020-07-10 19:05:23,492 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} #res := ~len~0; {1237#true} is VALID [2020-07-10 19:05:23,493 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,494 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1237#true} {1238#false} #253#return; {1238#false} is VALID [2020-07-10 19:05:23,501 INFO L263 TraceCheckUtils]: 0: Hoare triple {1237#true} call ULTIMATE.init(); {1281#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:23,502 INFO L280 TraceCheckUtils]: 1: Hoare triple {1281#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1237#true} is VALID [2020-07-10 19:05:23,502 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} #valid := #valid[0 := 0]; {1237#true} is VALID [2020-07-10 19:05:23,502 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} assume 0 < #StackHeapBarrier; {1237#true} is VALID [2020-07-10 19:05:23,503 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,503 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1237#true} {1237#true} #259#return; {1237#true} is VALID [2020-07-10 19:05:23,503 INFO L263 TraceCheckUtils]: 6: Hoare triple {1237#true} call #t~ret24 := main(); {1237#true} is VALID [2020-07-10 19:05:23,503 INFO L263 TraceCheckUtils]: 7: Hoare triple {1237#true} call #t~ret14 := _get_nondet_int(2, 5); {1237#true} is VALID [2020-07-10 19:05:23,513 INFO L280 TraceCheckUtils]: 8: Hoare triple {1237#true} ~from := #in~from; {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:23,515 INFO L280 TraceCheckUtils]: 9: Hoare triple {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-10 19:05:23,521 INFO L280 TraceCheckUtils]: 10: Hoare triple {1283#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,523 INFO L280 TraceCheckUtils]: 11: Hoare triple {1284#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,524 INFO L280 TraceCheckUtils]: 12: Hoare triple {1285#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,525 INFO L280 TraceCheckUtils]: 13: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,525 INFO L280 TraceCheckUtils]: 14: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,526 INFO L280 TraceCheckUtils]: 15: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,526 INFO L280 TraceCheckUtils]: 16: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,527 INFO L280 TraceCheckUtils]: 17: Hoare triple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:23,528 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1286#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1237#true} #243#return; {1238#false} is VALID [2020-07-10 19:05:23,528 INFO L280 TraceCheckUtils]: 19: Hoare triple {1238#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {1238#false} is VALID [2020-07-10 19:05:23,529 INFO L280 TraceCheckUtils]: 20: Hoare triple {1238#false} ~len~2 := #t~ret14; {1238#false} is VALID [2020-07-10 19:05:23,529 INFO L280 TraceCheckUtils]: 21: Hoare triple {1238#false} havoc #t~ret14; {1238#false} is VALID [2020-07-10 19:05:23,529 INFO L280 TraceCheckUtils]: 22: Hoare triple {1238#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {1238#false} is VALID [2020-07-10 19:05:23,529 INFO L263 TraceCheckUtils]: 23: Hoare triple {1238#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {1287#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:23,530 INFO L280 TraceCheckUtils]: 24: Hoare triple {1287#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1237#true} is VALID [2020-07-10 19:05:23,530 INFO L280 TraceCheckUtils]: 25: Hoare triple {1237#true} ~head~0.base, ~head~0.offset := 0, 0; {1237#true} is VALID [2020-07-10 19:05:23,530 INFO L280 TraceCheckUtils]: 26: Hoare triple {1237#true} #t~post2 := ~len; {1237#true} is VALID [2020-07-10 19:05:23,531 INFO L280 TraceCheckUtils]: 27: Hoare triple {1237#true} ~len := #t~post2 - 1; {1237#true} is VALID [2020-07-10 19:05:23,531 INFO L280 TraceCheckUtils]: 28: Hoare triple {1237#true} assume !(#t~post2 > 0); {1237#true} is VALID [2020-07-10 19:05:23,531 INFO L280 TraceCheckUtils]: 29: Hoare triple {1237#true} havoc #t~post2; {1237#true} is VALID [2020-07-10 19:05:23,531 INFO L280 TraceCheckUtils]: 30: Hoare triple {1237#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1237#true} is VALID [2020-07-10 19:05:23,532 INFO L280 TraceCheckUtils]: 31: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,532 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1237#true} {1238#false} #245#return; {1238#false} is VALID [2020-07-10 19:05:23,532 INFO L280 TraceCheckUtils]: 33: Hoare triple {1238#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {1238#false} is VALID [2020-07-10 19:05:23,533 INFO L280 TraceCheckUtils]: 34: Hoare triple {1238#false} havoc #t~ret15.base, #t~ret15.offset; {1238#false} is VALID [2020-07-10 19:05:23,534 INFO L263 TraceCheckUtils]: 35: Hoare triple {1238#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {1237#true} is VALID [2020-07-10 19:05:23,534 INFO L280 TraceCheckUtils]: 36: Hoare triple {1237#true} ~from := #in~from; {1237#true} is VALID [2020-07-10 19:05:23,534 INFO L280 TraceCheckUtils]: 37: Hoare triple {1237#true} ~until := #in~until; {1237#true} is VALID [2020-07-10 19:05:23,534 INFO L280 TraceCheckUtils]: 38: Hoare triple {1237#true} ~len~1 := ~from; {1237#true} is VALID [2020-07-10 19:05:23,535 INFO L280 TraceCheckUtils]: 39: Hoare triple {1237#true} #t~short12 := ~len~1 < ~until; {1237#true} is VALID [2020-07-10 19:05:23,535 INFO L280 TraceCheckUtils]: 40: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-10 19:05:23,535 INFO L280 TraceCheckUtils]: 41: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-10 19:05:23,537 INFO L280 TraceCheckUtils]: 42: Hoare triple {1237#true} havoc #t~short12; {1237#true} is VALID [2020-07-10 19:05:23,538 INFO L280 TraceCheckUtils]: 43: Hoare triple {1237#true} havoc #t~nondet11; {1237#true} is VALID [2020-07-10 19:05:23,539 INFO L280 TraceCheckUtils]: 44: Hoare triple {1237#true} #res := ~len~1; {1237#true} is VALID [2020-07-10 19:05:23,539 INFO L280 TraceCheckUtils]: 45: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,539 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1237#true} {1238#false} #247#return; {1238#false} is VALID [2020-07-10 19:05:23,540 INFO L280 TraceCheckUtils]: 47: Hoare triple {1238#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {1238#false} is VALID [2020-07-10 19:05:23,540 INFO L280 TraceCheckUtils]: 48: Hoare triple {1238#false} ~k~0 := #t~ret16; {1238#false} is VALID [2020-07-10 19:05:23,541 INFO L280 TraceCheckUtils]: 49: Hoare triple {1238#false} havoc #t~ret16; {1238#false} is VALID [2020-07-10 19:05:23,541 INFO L280 TraceCheckUtils]: 50: Hoare triple {1238#false} ~i~0 := 0; {1238#false} is VALID [2020-07-10 19:05:23,541 INFO L280 TraceCheckUtils]: 51: Hoare triple {1238#false} #t~short18 := ~i~0 < ~k~0; {1238#false} is VALID [2020-07-10 19:05:23,541 INFO L280 TraceCheckUtils]: 52: Hoare triple {1238#false} assume !#t~short18; {1238#false} is VALID [2020-07-10 19:05:23,542 INFO L280 TraceCheckUtils]: 53: Hoare triple {1238#false} assume !#t~short18; {1238#false} is VALID [2020-07-10 19:05:23,542 INFO L280 TraceCheckUtils]: 54: Hoare triple {1238#false} havoc #t~short18; {1238#false} is VALID [2020-07-10 19:05:23,542 INFO L280 TraceCheckUtils]: 55: Hoare triple {1238#false} havoc #t~nondet17; {1238#false} is VALID [2020-07-10 19:05:23,542 INFO L280 TraceCheckUtils]: 56: Hoare triple {1238#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {1238#false} is VALID [2020-07-10 19:05:23,543 INFO L263 TraceCheckUtils]: 57: Hoare triple {1238#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {1237#true} is VALID [2020-07-10 19:05:23,543 INFO L280 TraceCheckUtils]: 58: Hoare triple {1237#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1237#true} is VALID [2020-07-10 19:05:23,543 INFO L280 TraceCheckUtils]: 59: Hoare triple {1237#true} ~len~0 := 0; {1237#true} is VALID [2020-07-10 19:05:23,543 INFO L280 TraceCheckUtils]: 60: Hoare triple {1237#true} assume !(~head.base != 0 || ~head.offset != 0); {1237#true} is VALID [2020-07-10 19:05:23,544 INFO L280 TraceCheckUtils]: 61: Hoare triple {1237#true} #res := ~len~0; {1237#true} is VALID [2020-07-10 19:05:23,544 INFO L280 TraceCheckUtils]: 62: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-10 19:05:23,544 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {1237#true} {1238#false} #253#return; {1238#false} is VALID [2020-07-10 19:05:23,544 INFO L280 TraceCheckUtils]: 64: Hoare triple {1238#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {1238#false} is VALID [2020-07-10 19:05:23,544 INFO L280 TraceCheckUtils]: 65: Hoare triple {1238#false} assume ~k~0 + ~len~2 != #t~ret22; {1238#false} is VALID [2020-07-10 19:05:23,545 INFO L280 TraceCheckUtils]: 66: Hoare triple {1238#false} havoc #t~mem21.base, #t~mem21.offset; {1238#false} is VALID [2020-07-10 19:05:23,545 INFO L280 TraceCheckUtils]: 67: Hoare triple {1238#false} havoc #t~ret22; {1238#false} is VALID [2020-07-10 19:05:23,545 INFO L280 TraceCheckUtils]: 68: Hoare triple {1238#false} assume !false; {1238#false} is VALID [2020-07-10 19:05:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-10 19:05:23,553 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:23,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1171076155] [2020-07-10 19:05:23,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:23,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-10 19:05:23,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567297017] [2020-07-10 19:05:23,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-07-10 19:05:23,556 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:23,556 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-10 19:05:23,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:23,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-10 19:05:23,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:23,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-10 19:05:23,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-10 19:05:23,641 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 9 states. [2020-07-10 19:05:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:25,935 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2020-07-10 19:05:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-10 19:05:25,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-07-10 19:05:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 19:05:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 301 transitions. [2020-07-10 19:05:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 19:05:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 301 transitions. [2020-07-10 19:05:25,955 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 301 transitions. [2020-07-10 19:05:26,332 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 301 edges. 301 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:26,344 INFO L225 Difference]: With dead ends: 275 [2020-07-10 19:05:26,345 INFO L226 Difference]: Without dead ends: 169 [2020-07-10 19:05:26,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-07-10 19:05:26,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-10 19:05:26,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 134. [2020-07-10 19:05:26,603 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:26,604 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 134 states. [2020-07-10 19:05:26,604 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 134 states. [2020-07-10 19:05:26,604 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 134 states. [2020-07-10 19:05:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:26,617 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2020-07-10 19:05:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2020-07-10 19:05:26,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:26,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:26,626 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand 169 states. [2020-07-10 19:05:26,626 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 169 states. [2020-07-10 19:05:26,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:26,634 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2020-07-10 19:05:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2020-07-10 19:05:26,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:26,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:26,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:26,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-10 19:05:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2020-07-10 19:05:26,640 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 69 [2020-07-10 19:05:26,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:26,641 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2020-07-10 19:05:26,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-10 19:05:26,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 134 states and 145 transitions. [2020-07-10 19:05:26,857 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2020-07-10 19:05:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-10 19:05:26,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:26,861 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:26,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 19:05:26,862 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:26,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:26,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1735568478, now seen corresponding path program 1 times [2020-07-10 19:05:26,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:26,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681194697] [2020-07-10 19:05:26,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:27,026 INFO L280 TraceCheckUtils]: 0: Hoare triple {2520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2472#true} is VALID [2020-07-10 19:05:27,027 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} #valid := #valid[0 := 0]; {2472#true} is VALID [2020-07-10 19:05:27,027 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} assume 0 < #StackHeapBarrier; {2472#true} is VALID [2020-07-10 19:05:27,027 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-10 19:05:27,028 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2472#true} {2472#true} #259#return; {2472#true} is VALID [2020-07-10 19:05:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:27,104 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~from := #in~from; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:27,105 INFO L280 TraceCheckUtils]: 1: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:27,108 INFO L280 TraceCheckUtils]: 2: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,109 INFO L280 TraceCheckUtils]: 3: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,112 INFO L280 TraceCheckUtils]: 4: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,113 INFO L280 TraceCheckUtils]: 5: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,114 INFO L280 TraceCheckUtils]: 6: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,115 INFO L280 TraceCheckUtils]: 7: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,115 INFO L280 TraceCheckUtils]: 8: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,116 INFO L280 TraceCheckUtils]: 9: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,117 INFO L280 TraceCheckUtils]: 10: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:27,117 INFO L280 TraceCheckUtils]: 11: Hoare triple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:27,118 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {2472#true} #243#return; {2492#(<= 2 |main_#t~ret14|)} is VALID [2020-07-10 19:05:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:27,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {2524#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:27,194 INFO L280 TraceCheckUtils]: 1: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:27,195 INFO L280 TraceCheckUtils]: 2: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:27,196 INFO L280 TraceCheckUtils]: 3: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:27,197 INFO L280 TraceCheckUtils]: 4: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,197 INFO L280 TraceCheckUtils]: 5: Hoare triple {2527#(<= |sll_create_#in~len| 0)} havoc #t~post2; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,198 INFO L280 TraceCheckUtils]: 6: Hoare triple {2527#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {2527#(<= |sll_create_#in~len| 0)} assume true; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,200 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2527#(<= |sll_create_#in~len| 0)} {2493#(<= 2 main_~len~2)} #245#return; {2473#false} is VALID [2020-07-10 19:05:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:27,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~from := #in~from; {2472#true} is VALID [2020-07-10 19:05:27,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} ~until := #in~until; {2472#true} is VALID [2020-07-10 19:05:27,208 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} ~len~1 := ~from; {2472#true} is VALID [2020-07-10 19:05:27,208 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} #t~short12 := ~len~1 < ~until; {2472#true} is VALID [2020-07-10 19:05:27,208 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-10 19:05:27,209 INFO L280 TraceCheckUtils]: 5: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-10 19:05:27,209 INFO L280 TraceCheckUtils]: 6: Hoare triple {2472#true} havoc #t~short12; {2472#true} is VALID [2020-07-10 19:05:27,209 INFO L280 TraceCheckUtils]: 7: Hoare triple {2472#true} havoc #t~nondet11; {2472#true} is VALID [2020-07-10 19:05:27,209 INFO L280 TraceCheckUtils]: 8: Hoare triple {2472#true} #res := ~len~1; {2472#true} is VALID [2020-07-10 19:05:27,210 INFO L280 TraceCheckUtils]: 9: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-10 19:05:27,210 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {2472#true} {2473#false} #247#return; {2473#false} is VALID [2020-07-10 19:05:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:27,216 INFO L280 TraceCheckUtils]: 0: Hoare triple {2472#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {2472#true} is VALID [2020-07-10 19:05:27,216 INFO L280 TraceCheckUtils]: 1: Hoare triple {2472#true} ~len~0 := 0; {2472#true} is VALID [2020-07-10 19:05:27,216 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} assume !(~head.base != 0 || ~head.offset != 0); {2472#true} is VALID [2020-07-10 19:05:27,217 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} #res := ~len~0; {2472#true} is VALID [2020-07-10 19:05:27,217 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-10 19:05:27,217 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2472#true} {2473#false} #253#return; {2473#false} is VALID [2020-07-10 19:05:27,218 INFO L263 TraceCheckUtils]: 0: Hoare triple {2472#true} call ULTIMATE.init(); {2520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:27,219 INFO L280 TraceCheckUtils]: 1: Hoare triple {2520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2472#true} is VALID [2020-07-10 19:05:27,219 INFO L280 TraceCheckUtils]: 2: Hoare triple {2472#true} #valid := #valid[0 := 0]; {2472#true} is VALID [2020-07-10 19:05:27,219 INFO L280 TraceCheckUtils]: 3: Hoare triple {2472#true} assume 0 < #StackHeapBarrier; {2472#true} is VALID [2020-07-10 19:05:27,219 INFO L280 TraceCheckUtils]: 4: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-10 19:05:27,220 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2472#true} {2472#true} #259#return; {2472#true} is VALID [2020-07-10 19:05:27,220 INFO L263 TraceCheckUtils]: 6: Hoare triple {2472#true} call #t~ret24 := main(); {2472#true} is VALID [2020-07-10 19:05:27,220 INFO L263 TraceCheckUtils]: 7: Hoare triple {2472#true} call #t~ret14 := _get_nondet_int(2, 5); {2472#true} is VALID [2020-07-10 19:05:27,221 INFO L280 TraceCheckUtils]: 8: Hoare triple {2472#true} ~from := #in~from; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:27,221 INFO L280 TraceCheckUtils]: 9: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:27,222 INFO L280 TraceCheckUtils]: 10: Hoare triple {2521#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,223 INFO L280 TraceCheckUtils]: 11: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,224 INFO L280 TraceCheckUtils]: 12: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,224 INFO L280 TraceCheckUtils]: 13: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,225 INFO L280 TraceCheckUtils]: 14: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,226 INFO L280 TraceCheckUtils]: 15: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,226 INFO L280 TraceCheckUtils]: 16: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,227 INFO L280 TraceCheckUtils]: 17: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:27,227 INFO L280 TraceCheckUtils]: 18: Hoare triple {2522#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:27,228 INFO L280 TraceCheckUtils]: 19: Hoare triple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:27,229 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2523#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {2472#true} #243#return; {2492#(<= 2 |main_#t~ret14|)} is VALID [2020-07-10 19:05:27,230 INFO L280 TraceCheckUtils]: 21: Hoare triple {2492#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {2492#(<= 2 |main_#t~ret14|)} is VALID [2020-07-10 19:05:27,231 INFO L280 TraceCheckUtils]: 22: Hoare triple {2492#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {2493#(<= 2 main_~len~2)} is VALID [2020-07-10 19:05:27,232 INFO L280 TraceCheckUtils]: 23: Hoare triple {2493#(<= 2 main_~len~2)} havoc #t~ret14; {2493#(<= 2 main_~len~2)} is VALID [2020-07-10 19:05:27,232 INFO L280 TraceCheckUtils]: 24: Hoare triple {2493#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {2493#(<= 2 main_~len~2)} is VALID [2020-07-10 19:05:27,233 INFO L263 TraceCheckUtils]: 25: Hoare triple {2493#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {2524#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:27,234 INFO L280 TraceCheckUtils]: 26: Hoare triple {2524#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:27,235 INFO L280 TraceCheckUtils]: 27: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {2525#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:27,236 INFO L280 TraceCheckUtils]: 28: Hoare triple {2525#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:27,236 INFO L280 TraceCheckUtils]: 29: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:27,237 INFO L280 TraceCheckUtils]: 30: Hoare triple {2526#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,237 INFO L280 TraceCheckUtils]: 31: Hoare triple {2527#(<= |sll_create_#in~len| 0)} havoc #t~post2; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,238 INFO L280 TraceCheckUtils]: 32: Hoare triple {2527#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,239 INFO L280 TraceCheckUtils]: 33: Hoare triple {2527#(<= |sll_create_#in~len| 0)} assume true; {2527#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:27,240 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2527#(<= |sll_create_#in~len| 0)} {2493#(<= 2 main_~len~2)} #245#return; {2473#false} is VALID [2020-07-10 19:05:27,240 INFO L280 TraceCheckUtils]: 35: Hoare triple {2473#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {2473#false} is VALID [2020-07-10 19:05:27,240 INFO L280 TraceCheckUtils]: 36: Hoare triple {2473#false} havoc #t~ret15.base, #t~ret15.offset; {2473#false} is VALID [2020-07-10 19:05:27,240 INFO L263 TraceCheckUtils]: 37: Hoare triple {2473#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {2472#true} is VALID [2020-07-10 19:05:27,241 INFO L280 TraceCheckUtils]: 38: Hoare triple {2472#true} ~from := #in~from; {2472#true} is VALID [2020-07-10 19:05:27,241 INFO L280 TraceCheckUtils]: 39: Hoare triple {2472#true} ~until := #in~until; {2472#true} is VALID [2020-07-10 19:05:27,241 INFO L280 TraceCheckUtils]: 40: Hoare triple {2472#true} ~len~1 := ~from; {2472#true} is VALID [2020-07-10 19:05:27,241 INFO L280 TraceCheckUtils]: 41: Hoare triple {2472#true} #t~short12 := ~len~1 < ~until; {2472#true} is VALID [2020-07-10 19:05:27,242 INFO L280 TraceCheckUtils]: 42: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-10 19:05:27,242 INFO L280 TraceCheckUtils]: 43: Hoare triple {2472#true} assume !#t~short12; {2472#true} is VALID [2020-07-10 19:05:27,242 INFO L280 TraceCheckUtils]: 44: Hoare triple {2472#true} havoc #t~short12; {2472#true} is VALID [2020-07-10 19:05:27,242 INFO L280 TraceCheckUtils]: 45: Hoare triple {2472#true} havoc #t~nondet11; {2472#true} is VALID [2020-07-10 19:05:27,242 INFO L280 TraceCheckUtils]: 46: Hoare triple {2472#true} #res := ~len~1; {2472#true} is VALID [2020-07-10 19:05:27,243 INFO L280 TraceCheckUtils]: 47: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-10 19:05:27,243 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2472#true} {2473#false} #247#return; {2473#false} is VALID [2020-07-10 19:05:27,243 INFO L280 TraceCheckUtils]: 49: Hoare triple {2473#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {2473#false} is VALID [2020-07-10 19:05:27,243 INFO L280 TraceCheckUtils]: 50: Hoare triple {2473#false} ~k~0 := #t~ret16; {2473#false} is VALID [2020-07-10 19:05:27,244 INFO L280 TraceCheckUtils]: 51: Hoare triple {2473#false} havoc #t~ret16; {2473#false} is VALID [2020-07-10 19:05:27,244 INFO L280 TraceCheckUtils]: 52: Hoare triple {2473#false} ~i~0 := 0; {2473#false} is VALID [2020-07-10 19:05:27,244 INFO L280 TraceCheckUtils]: 53: Hoare triple {2473#false} #t~short18 := ~i~0 < ~k~0; {2473#false} is VALID [2020-07-10 19:05:27,244 INFO L280 TraceCheckUtils]: 54: Hoare triple {2473#false} assume !#t~short18; {2473#false} is VALID [2020-07-10 19:05:27,244 INFO L280 TraceCheckUtils]: 55: Hoare triple {2473#false} assume !#t~short18; {2473#false} is VALID [2020-07-10 19:05:27,245 INFO L280 TraceCheckUtils]: 56: Hoare triple {2473#false} havoc #t~short18; {2473#false} is VALID [2020-07-10 19:05:27,245 INFO L280 TraceCheckUtils]: 57: Hoare triple {2473#false} havoc #t~nondet17; {2473#false} is VALID [2020-07-10 19:05:27,245 INFO L280 TraceCheckUtils]: 58: Hoare triple {2473#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {2473#false} is VALID [2020-07-10 19:05:27,245 INFO L263 TraceCheckUtils]: 59: Hoare triple {2473#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {2472#true} is VALID [2020-07-10 19:05:27,245 INFO L280 TraceCheckUtils]: 60: Hoare triple {2472#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {2472#true} is VALID [2020-07-10 19:05:27,246 INFO L280 TraceCheckUtils]: 61: Hoare triple {2472#true} ~len~0 := 0; {2472#true} is VALID [2020-07-10 19:05:27,246 INFO L280 TraceCheckUtils]: 62: Hoare triple {2472#true} assume !(~head.base != 0 || ~head.offset != 0); {2472#true} is VALID [2020-07-10 19:05:27,246 INFO L280 TraceCheckUtils]: 63: Hoare triple {2472#true} #res := ~len~0; {2472#true} is VALID [2020-07-10 19:05:27,246 INFO L280 TraceCheckUtils]: 64: Hoare triple {2472#true} assume true; {2472#true} is VALID [2020-07-10 19:05:27,247 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2472#true} {2473#false} #253#return; {2473#false} is VALID [2020-07-10 19:05:27,247 INFO L280 TraceCheckUtils]: 66: Hoare triple {2473#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {2473#false} is VALID [2020-07-10 19:05:27,247 INFO L280 TraceCheckUtils]: 67: Hoare triple {2473#false} assume ~k~0 + ~len~2 != #t~ret22; {2473#false} is VALID [2020-07-10 19:05:27,247 INFO L280 TraceCheckUtils]: 68: Hoare triple {2473#false} havoc #t~mem21.base, #t~mem21.offset; {2473#false} is VALID [2020-07-10 19:05:27,247 INFO L280 TraceCheckUtils]: 69: Hoare triple {2473#false} havoc #t~ret22; {2473#false} is VALID [2020-07-10 19:05:27,248 INFO L280 TraceCheckUtils]: 70: Hoare triple {2473#false} assume !false; {2473#false} is VALID [2020-07-10 19:05:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:05:27,253 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:27,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681194697] [2020-07-10 19:05:27,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:27,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-10 19:05:27,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023537286] [2020-07-10 19:05:27,255 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-07-10 19:05:27,256 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:27,256 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-10 19:05:27,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:27,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-10 19:05:27,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:27,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-10 19:05:27,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-07-10 19:05:27,326 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 12 states. [2020-07-10 19:05:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:30,871 INFO L93 Difference]: Finished difference Result 313 states and 348 transitions. [2020-07-10 19:05:30,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-10 19:05:30,872 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-07-10 19:05:30,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-10 19:05:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 322 transitions. [2020-07-10 19:05:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-10 19:05:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 322 transitions. [2020-07-10 19:05:30,890 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 322 transitions. [2020-07-10 19:05:31,282 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 322 edges. 322 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:31,299 INFO L225 Difference]: With dead ends: 313 [2020-07-10 19:05:31,299 INFO L226 Difference]: Without dead ends: 206 [2020-07-10 19:05:31,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2020-07-10 19:05:31,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-10 19:05:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 154. [2020-07-10 19:05:31,665 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:31,665 INFO L82 GeneralOperation]: Start isEquivalent. First operand 206 states. Second operand 154 states. [2020-07-10 19:05:31,665 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 154 states. [2020-07-10 19:05:31,666 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 154 states. [2020-07-10 19:05:31,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:31,676 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-07-10 19:05:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2020-07-10 19:05:31,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:31,677 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:31,677 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 206 states. [2020-07-10 19:05:31,678 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 206 states. [2020-07-10 19:05:31,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:31,688 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-07-10 19:05:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2020-07-10 19:05:31,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:31,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:31,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:31,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-10 19:05:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 167 transitions. [2020-07-10 19:05:31,696 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 167 transitions. Word has length 71 [2020-07-10 19:05:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:31,696 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 167 transitions. [2020-07-10 19:05:31,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-10 19:05:31,696 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 167 transitions. [2020-07-10 19:05:31,932 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 167 transitions. [2020-07-10 19:05:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-10 19:05:31,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:31,935 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:31,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 19:05:31,937 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:31,938 INFO L82 PathProgramCache]: Analyzing trace with hash -472966004, now seen corresponding path program 1 times [2020-07-10 19:05:31,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:31,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132175765] [2020-07-10 19:05:31,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:32,068 INFO L280 TraceCheckUtils]: 0: Hoare triple {3963#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3909#true} is VALID [2020-07-10 19:05:32,068 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} #valid := #valid[0 := 0]; {3909#true} is VALID [2020-07-10 19:05:32,068 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} assume 0 < #StackHeapBarrier; {3909#true} is VALID [2020-07-10 19:05:32,069 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,069 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3909#true} {3909#true} #259#return; {3909#true} is VALID [2020-07-10 19:05:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:32,297 INFO L280 TraceCheckUtils]: 0: Hoare triple {3909#true} ~from := #in~from; {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:32,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-10 19:05:32,299 INFO L280 TraceCheckUtils]: 2: Hoare triple {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,300 INFO L280 TraceCheckUtils]: 3: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,301 INFO L280 TraceCheckUtils]: 4: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,301 INFO L280 TraceCheckUtils]: 5: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,302 INFO L280 TraceCheckUtils]: 6: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,303 INFO L280 TraceCheckUtils]: 7: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume !!#t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,304 INFO L280 TraceCheckUtils]: 8: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,304 INFO L280 TraceCheckUtils]: 9: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,305 INFO L280 TraceCheckUtils]: 10: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~post13 := ~len~1; {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,306 INFO L280 TraceCheckUtils]: 11: Hoare triple {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,307 INFO L280 TraceCheckUtils]: 12: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,308 INFO L280 TraceCheckUtils]: 13: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,309 INFO L280 TraceCheckUtils]: 14: Hoare triple {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,311 INFO L280 TraceCheckUtils]: 15: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,312 INFO L280 TraceCheckUtils]: 16: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,312 INFO L280 TraceCheckUtils]: 17: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,312 INFO L280 TraceCheckUtils]: 18: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,313 INFO L280 TraceCheckUtils]: 19: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,316 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {3909#true} #243#return; {3910#false} is VALID [2020-07-10 19:05:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:32,345 INFO L280 TraceCheckUtils]: 0: Hoare triple {3971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3909#true} is VALID [2020-07-10 19:05:32,345 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} ~head~0.base, ~head~0.offset := 0, 0; {3909#true} is VALID [2020-07-10 19:05:32,346 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} #t~post2 := ~len; {3909#true} is VALID [2020-07-10 19:05:32,346 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} ~len := #t~post2 - 1; {3909#true} is VALID [2020-07-10 19:05:32,346 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume !(#t~post2 > 0); {3909#true} is VALID [2020-07-10 19:05:32,346 INFO L280 TraceCheckUtils]: 5: Hoare triple {3909#true} havoc #t~post2; {3909#true} is VALID [2020-07-10 19:05:32,347 INFO L280 TraceCheckUtils]: 6: Hoare triple {3909#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3909#true} is VALID [2020-07-10 19:05:32,347 INFO L280 TraceCheckUtils]: 7: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,347 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3909#true} {3910#false} #245#return; {3910#false} is VALID [2020-07-10 19:05:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:32,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {3909#true} ~from := #in~from; {3909#true} is VALID [2020-07-10 19:05:32,358 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} ~until := #in~until; {3909#true} is VALID [2020-07-10 19:05:32,358 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} ~len~1 := ~from; {3909#true} is VALID [2020-07-10 19:05:32,358 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} #t~short12 := ~len~1 < ~until; {3909#true} is VALID [2020-07-10 19:05:32,358 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-10 19:05:32,359 INFO L280 TraceCheckUtils]: 5: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-10 19:05:32,359 INFO L280 TraceCheckUtils]: 6: Hoare triple {3909#true} havoc #t~short12; {3909#true} is VALID [2020-07-10 19:05:32,359 INFO L280 TraceCheckUtils]: 7: Hoare triple {3909#true} havoc #t~nondet11; {3909#true} is VALID [2020-07-10 19:05:32,359 INFO L280 TraceCheckUtils]: 8: Hoare triple {3909#true} #res := ~len~1; {3909#true} is VALID [2020-07-10 19:05:32,360 INFO L280 TraceCheckUtils]: 9: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,360 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {3909#true} {3910#false} #247#return; {3910#false} is VALID [2020-07-10 19:05:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:32,365 INFO L280 TraceCheckUtils]: 0: Hoare triple {3909#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {3909#true} is VALID [2020-07-10 19:05:32,365 INFO L280 TraceCheckUtils]: 1: Hoare triple {3909#true} ~len~0 := 0; {3909#true} is VALID [2020-07-10 19:05:32,365 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} assume !(~head.base != 0 || ~head.offset != 0); {3909#true} is VALID [2020-07-10 19:05:32,366 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} #res := ~len~0; {3909#true} is VALID [2020-07-10 19:05:32,366 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,366 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3909#true} {3910#false} #253#return; {3910#false} is VALID [2020-07-10 19:05:32,367 INFO L263 TraceCheckUtils]: 0: Hoare triple {3909#true} call ULTIMATE.init(); {3963#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:32,367 INFO L280 TraceCheckUtils]: 1: Hoare triple {3963#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3909#true} is VALID [2020-07-10 19:05:32,367 INFO L280 TraceCheckUtils]: 2: Hoare triple {3909#true} #valid := #valid[0 := 0]; {3909#true} is VALID [2020-07-10 19:05:32,368 INFO L280 TraceCheckUtils]: 3: Hoare triple {3909#true} assume 0 < #StackHeapBarrier; {3909#true} is VALID [2020-07-10 19:05:32,368 INFO L280 TraceCheckUtils]: 4: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,368 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3909#true} {3909#true} #259#return; {3909#true} is VALID [2020-07-10 19:05:32,368 INFO L263 TraceCheckUtils]: 6: Hoare triple {3909#true} call #t~ret24 := main(); {3909#true} is VALID [2020-07-10 19:05:32,368 INFO L263 TraceCheckUtils]: 7: Hoare triple {3909#true} call #t~ret14 := _get_nondet_int(2, 5); {3909#true} is VALID [2020-07-10 19:05:32,369 INFO L280 TraceCheckUtils]: 8: Hoare triple {3909#true} ~from := #in~from; {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:32,370 INFO L280 TraceCheckUtils]: 9: Hoare triple {3964#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} is VALID [2020-07-10 19:05:32,371 INFO L280 TraceCheckUtils]: 10: Hoare triple {3965#(and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (= |_get_nondet_int_#in~from| _get_nondet_int_~from))} ~len~1 := ~from; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,372 INFO L280 TraceCheckUtils]: 11: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,372 INFO L280 TraceCheckUtils]: 12: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,373 INFO L280 TraceCheckUtils]: 13: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,374 INFO L280 TraceCheckUtils]: 14: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,375 INFO L280 TraceCheckUtils]: 15: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume !!#t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,375 INFO L280 TraceCheckUtils]: 16: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,376 INFO L280 TraceCheckUtils]: 17: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,377 INFO L280 TraceCheckUtils]: 18: Hoare triple {3966#(and (or (not (= 2 _get_nondet_int_~len~1)) (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #t~post13 := ~len~1; {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,395 INFO L280 TraceCheckUtils]: 19: Hoare triple {3967#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= |_get_nondet_int_#t~post13| 2) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,396 INFO L280 TraceCheckUtils]: 20: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,397 INFO L280 TraceCheckUtils]: 21: Hoare triple {3968#(or (and (or (= _get_nondet_int_~until |_get_nondet_int_#in~until|) (= 5 _get_nondet_int_~until)) (or (<= _get_nondet_int_~len~1 3) (not (= 5 _get_nondet_int_~until)))) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,398 INFO L280 TraceCheckUtils]: 22: Hoare triple {3969#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,398 INFO L280 TraceCheckUtils]: 23: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,399 INFO L280 TraceCheckUtils]: 24: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,400 INFO L280 TraceCheckUtils]: 25: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,400 INFO L280 TraceCheckUtils]: 26: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,401 INFO L280 TraceCheckUtils]: 27: Hoare triple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:32,402 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3970#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {3909#true} #243#return; {3910#false} is VALID [2020-07-10 19:05:32,402 INFO L280 TraceCheckUtils]: 29: Hoare triple {3910#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {3910#false} is VALID [2020-07-10 19:05:32,402 INFO L280 TraceCheckUtils]: 30: Hoare triple {3910#false} ~len~2 := #t~ret14; {3910#false} is VALID [2020-07-10 19:05:32,402 INFO L280 TraceCheckUtils]: 31: Hoare triple {3910#false} havoc #t~ret14; {3910#false} is VALID [2020-07-10 19:05:32,402 INFO L280 TraceCheckUtils]: 32: Hoare triple {3910#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {3910#false} is VALID [2020-07-10 19:05:32,403 INFO L263 TraceCheckUtils]: 33: Hoare triple {3910#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {3971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:32,403 INFO L280 TraceCheckUtils]: 34: Hoare triple {3971#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3909#true} is VALID [2020-07-10 19:05:32,403 INFO L280 TraceCheckUtils]: 35: Hoare triple {3909#true} ~head~0.base, ~head~0.offset := 0, 0; {3909#true} is VALID [2020-07-10 19:05:32,403 INFO L280 TraceCheckUtils]: 36: Hoare triple {3909#true} #t~post2 := ~len; {3909#true} is VALID [2020-07-10 19:05:32,404 INFO L280 TraceCheckUtils]: 37: Hoare triple {3909#true} ~len := #t~post2 - 1; {3909#true} is VALID [2020-07-10 19:05:32,404 INFO L280 TraceCheckUtils]: 38: Hoare triple {3909#true} assume !(#t~post2 > 0); {3909#true} is VALID [2020-07-10 19:05:32,404 INFO L280 TraceCheckUtils]: 39: Hoare triple {3909#true} havoc #t~post2; {3909#true} is VALID [2020-07-10 19:05:32,404 INFO L280 TraceCheckUtils]: 40: Hoare triple {3909#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3909#true} is VALID [2020-07-10 19:05:32,404 INFO L280 TraceCheckUtils]: 41: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,405 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3909#true} {3910#false} #245#return; {3910#false} is VALID [2020-07-10 19:05:32,405 INFO L280 TraceCheckUtils]: 43: Hoare triple {3910#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {3910#false} is VALID [2020-07-10 19:05:32,405 INFO L280 TraceCheckUtils]: 44: Hoare triple {3910#false} havoc #t~ret15.base, #t~ret15.offset; {3910#false} is VALID [2020-07-10 19:05:32,405 INFO L263 TraceCheckUtils]: 45: Hoare triple {3910#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {3909#true} is VALID [2020-07-10 19:05:32,405 INFO L280 TraceCheckUtils]: 46: Hoare triple {3909#true} ~from := #in~from; {3909#true} is VALID [2020-07-10 19:05:32,406 INFO L280 TraceCheckUtils]: 47: Hoare triple {3909#true} ~until := #in~until; {3909#true} is VALID [2020-07-10 19:05:32,406 INFO L280 TraceCheckUtils]: 48: Hoare triple {3909#true} ~len~1 := ~from; {3909#true} is VALID [2020-07-10 19:05:32,406 INFO L280 TraceCheckUtils]: 49: Hoare triple {3909#true} #t~short12 := ~len~1 < ~until; {3909#true} is VALID [2020-07-10 19:05:32,406 INFO L280 TraceCheckUtils]: 50: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-10 19:05:32,406 INFO L280 TraceCheckUtils]: 51: Hoare triple {3909#true} assume !#t~short12; {3909#true} is VALID [2020-07-10 19:05:32,407 INFO L280 TraceCheckUtils]: 52: Hoare triple {3909#true} havoc #t~short12; {3909#true} is VALID [2020-07-10 19:05:32,407 INFO L280 TraceCheckUtils]: 53: Hoare triple {3909#true} havoc #t~nondet11; {3909#true} is VALID [2020-07-10 19:05:32,407 INFO L280 TraceCheckUtils]: 54: Hoare triple {3909#true} #res := ~len~1; {3909#true} is VALID [2020-07-10 19:05:32,407 INFO L280 TraceCheckUtils]: 55: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,407 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3909#true} {3910#false} #247#return; {3910#false} is VALID [2020-07-10 19:05:32,408 INFO L280 TraceCheckUtils]: 57: Hoare triple {3910#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {3910#false} is VALID [2020-07-10 19:05:32,408 INFO L280 TraceCheckUtils]: 58: Hoare triple {3910#false} ~k~0 := #t~ret16; {3910#false} is VALID [2020-07-10 19:05:32,408 INFO L280 TraceCheckUtils]: 59: Hoare triple {3910#false} havoc #t~ret16; {3910#false} is VALID [2020-07-10 19:05:32,408 INFO L280 TraceCheckUtils]: 60: Hoare triple {3910#false} ~i~0 := 0; {3910#false} is VALID [2020-07-10 19:05:32,408 INFO L280 TraceCheckUtils]: 61: Hoare triple {3910#false} #t~short18 := ~i~0 < ~k~0; {3910#false} is VALID [2020-07-10 19:05:32,409 INFO L280 TraceCheckUtils]: 62: Hoare triple {3910#false} assume !#t~short18; {3910#false} is VALID [2020-07-10 19:05:32,409 INFO L280 TraceCheckUtils]: 63: Hoare triple {3910#false} assume !#t~short18; {3910#false} is VALID [2020-07-10 19:05:32,409 INFO L280 TraceCheckUtils]: 64: Hoare triple {3910#false} havoc #t~short18; {3910#false} is VALID [2020-07-10 19:05:32,409 INFO L280 TraceCheckUtils]: 65: Hoare triple {3910#false} havoc #t~nondet17; {3910#false} is VALID [2020-07-10 19:05:32,409 INFO L280 TraceCheckUtils]: 66: Hoare triple {3910#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {3910#false} is VALID [2020-07-10 19:05:32,410 INFO L263 TraceCheckUtils]: 67: Hoare triple {3910#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {3909#true} is VALID [2020-07-10 19:05:32,410 INFO L280 TraceCheckUtils]: 68: Hoare triple {3909#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {3909#true} is VALID [2020-07-10 19:05:32,410 INFO L280 TraceCheckUtils]: 69: Hoare triple {3909#true} ~len~0 := 0; {3909#true} is VALID [2020-07-10 19:05:32,410 INFO L280 TraceCheckUtils]: 70: Hoare triple {3909#true} assume !(~head.base != 0 || ~head.offset != 0); {3909#true} is VALID [2020-07-10 19:05:32,410 INFO L280 TraceCheckUtils]: 71: Hoare triple {3909#true} #res := ~len~0; {3909#true} is VALID [2020-07-10 19:05:32,411 INFO L280 TraceCheckUtils]: 72: Hoare triple {3909#true} assume true; {3909#true} is VALID [2020-07-10 19:05:32,411 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3909#true} {3910#false} #253#return; {3910#false} is VALID [2020-07-10 19:05:32,411 INFO L280 TraceCheckUtils]: 74: Hoare triple {3910#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {3910#false} is VALID [2020-07-10 19:05:32,411 INFO L280 TraceCheckUtils]: 75: Hoare triple {3910#false} assume ~k~0 + ~len~2 != #t~ret22; {3910#false} is VALID [2020-07-10 19:05:32,412 INFO L280 TraceCheckUtils]: 76: Hoare triple {3910#false} havoc #t~mem21.base, #t~mem21.offset; {3910#false} is VALID [2020-07-10 19:05:32,412 INFO L280 TraceCheckUtils]: 77: Hoare triple {3910#false} havoc #t~ret22; {3910#false} is VALID [2020-07-10 19:05:32,412 INFO L280 TraceCheckUtils]: 78: Hoare triple {3910#false} assume !false; {3910#false} is VALID [2020-07-10 19:05:32,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:05:32,422 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:32,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132175765] [2020-07-10 19:05:32,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:32,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 19:05:32,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356350496] [2020-07-10 19:05:32,423 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-10 19:05:32,424 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:32,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 19:05:32,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:32,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 19:05:32,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:32,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 19:05:32,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-10 19:05:32,524 INFO L87 Difference]: Start difference. First operand 154 states and 167 transitions. Second operand 11 states. [2020-07-10 19:05:36,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:36,232 INFO L93 Difference]: Finished difference Result 342 states and 375 transitions. [2020-07-10 19:05:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-10 19:05:36,233 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-10 19:05:36,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:05:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 335 transitions. [2020-07-10 19:05:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:05:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 335 transitions. [2020-07-10 19:05:36,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 335 transitions. [2020-07-10 19:05:36,670 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:36,676 INFO L225 Difference]: With dead ends: 342 [2020-07-10 19:05:36,676 INFO L226 Difference]: Without dead ends: 204 [2020-07-10 19:05:36,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2020-07-10 19:05:36,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-10 19:05:37,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 161. [2020-07-10 19:05:37,093 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:37,093 INFO L82 GeneralOperation]: Start isEquivalent. First operand 204 states. Second operand 161 states. [2020-07-10 19:05:37,094 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 161 states. [2020-07-10 19:05:37,094 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 161 states. [2020-07-10 19:05:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:37,106 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2020-07-10 19:05:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2020-07-10 19:05:37,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:37,107 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:37,107 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 204 states. [2020-07-10 19:05:37,108 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 204 states. [2020-07-10 19:05:37,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:37,118 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2020-07-10 19:05:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2020-07-10 19:05:37,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:37,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:37,120 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:37,120 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-10 19:05:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 174 transitions. [2020-07-10 19:05:37,128 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 174 transitions. Word has length 79 [2020-07-10 19:05:37,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:37,129 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 174 transitions. [2020-07-10 19:05:37,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 19:05:37,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 161 states and 174 transitions. [2020-07-10 19:05:37,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2020-07-10 19:05:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-10 19:05:37,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:37,410 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:37,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 19:05:37,411 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:37,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1820928426, now seen corresponding path program 1 times [2020-07-10 19:05:37,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:37,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89830566] [2020-07-10 19:05:37,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:37,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {5487#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5430#true} is VALID [2020-07-10 19:05:37,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {5430#true} #valid := #valid[0 := 0]; {5430#true} is VALID [2020-07-10 19:05:37,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} assume 0 < #StackHeapBarrier; {5430#true} is VALID [2020-07-10 19:05:37,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-10 19:05:37,579 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5430#true} {5430#true} #259#return; {5430#true} is VALID [2020-07-10 19:05:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:37,661 INFO L280 TraceCheckUtils]: 0: Hoare triple {5430#true} ~from := #in~from; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:37,661 INFO L280 TraceCheckUtils]: 1: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:37,662 INFO L280 TraceCheckUtils]: 2: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,663 INFO L280 TraceCheckUtils]: 3: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,664 INFO L280 TraceCheckUtils]: 4: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,664 INFO L280 TraceCheckUtils]: 5: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,665 INFO L280 TraceCheckUtils]: 6: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,666 INFO L280 TraceCheckUtils]: 7: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,666 INFO L280 TraceCheckUtils]: 8: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,667 INFO L280 TraceCheckUtils]: 9: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,668 INFO L280 TraceCheckUtils]: 10: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:37,669 INFO L280 TraceCheckUtils]: 11: Hoare triple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:37,670 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {5430#true} #243#return; {5450#(<= 2 |main_#t~ret14|)} is VALID [2020-07-10 19:05:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:37,805 INFO L280 TraceCheckUtils]: 0: Hoare triple {5491#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:37,806 INFO L280 TraceCheckUtils]: 1: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:37,807 INFO L280 TraceCheckUtils]: 2: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:37,808 INFO L280 TraceCheckUtils]: 3: Hoare triple {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,808 INFO L280 TraceCheckUtils]: 4: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,808 INFO L280 TraceCheckUtils]: 5: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,809 INFO L280 TraceCheckUtils]: 6: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,809 INFO L280 TraceCheckUtils]: 7: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,810 INFO L280 TraceCheckUtils]: 8: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,810 INFO L280 TraceCheckUtils]: 9: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,811 INFO L280 TraceCheckUtils]: 10: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,811 INFO L280 TraceCheckUtils]: 11: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-10 19:05:37,812 INFO L280 TraceCheckUtils]: 12: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-10 19:05:37,812 INFO L280 TraceCheckUtils]: 13: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,813 INFO L280 TraceCheckUtils]: 14: Hoare triple {5496#(<= |sll_create_#in~len| 1)} havoc #t~post2; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,813 INFO L280 TraceCheckUtils]: 15: Hoare triple {5496#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,814 INFO L280 TraceCheckUtils]: 16: Hoare triple {5496#(<= |sll_create_#in~len| 1)} assume true; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,815 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5496#(<= |sll_create_#in~len| 1)} {5451#(<= 2 main_~len~2)} #245#return; {5431#false} is VALID [2020-07-10 19:05:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:37,826 INFO L280 TraceCheckUtils]: 0: Hoare triple {5430#true} ~from := #in~from; {5430#true} is VALID [2020-07-10 19:05:37,826 INFO L280 TraceCheckUtils]: 1: Hoare triple {5430#true} ~until := #in~until; {5430#true} is VALID [2020-07-10 19:05:37,826 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} ~len~1 := ~from; {5430#true} is VALID [2020-07-10 19:05:37,826 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} #t~short12 := ~len~1 < ~until; {5430#true} is VALID [2020-07-10 19:05:37,827 INFO L280 TraceCheckUtils]: 4: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-10 19:05:37,827 INFO L280 TraceCheckUtils]: 5: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-10 19:05:37,827 INFO L280 TraceCheckUtils]: 6: Hoare triple {5430#true} havoc #t~short12; {5430#true} is VALID [2020-07-10 19:05:37,827 INFO L280 TraceCheckUtils]: 7: Hoare triple {5430#true} havoc #t~nondet11; {5430#true} is VALID [2020-07-10 19:05:37,828 INFO L280 TraceCheckUtils]: 8: Hoare triple {5430#true} #res := ~len~1; {5430#true} is VALID [2020-07-10 19:05:37,828 INFO L280 TraceCheckUtils]: 9: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-10 19:05:37,828 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {5430#true} {5431#false} #247#return; {5431#false} is VALID [2020-07-10 19:05:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:37,838 INFO L280 TraceCheckUtils]: 0: Hoare triple {5430#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {5430#true} is VALID [2020-07-10 19:05:37,838 INFO L280 TraceCheckUtils]: 1: Hoare triple {5430#true} ~len~0 := 0; {5430#true} is VALID [2020-07-10 19:05:37,839 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} assume !(~head.base != 0 || ~head.offset != 0); {5430#true} is VALID [2020-07-10 19:05:37,839 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} #res := ~len~0; {5430#true} is VALID [2020-07-10 19:05:37,839 INFO L280 TraceCheckUtils]: 4: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-10 19:05:37,839 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5430#true} {5431#false} #253#return; {5431#false} is VALID [2020-07-10 19:05:37,840 INFO L263 TraceCheckUtils]: 0: Hoare triple {5430#true} call ULTIMATE.init(); {5487#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:37,841 INFO L280 TraceCheckUtils]: 1: Hoare triple {5487#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5430#true} is VALID [2020-07-10 19:05:37,841 INFO L280 TraceCheckUtils]: 2: Hoare triple {5430#true} #valid := #valid[0 := 0]; {5430#true} is VALID [2020-07-10 19:05:37,841 INFO L280 TraceCheckUtils]: 3: Hoare triple {5430#true} assume 0 < #StackHeapBarrier; {5430#true} is VALID [2020-07-10 19:05:37,841 INFO L280 TraceCheckUtils]: 4: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-10 19:05:37,841 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5430#true} {5430#true} #259#return; {5430#true} is VALID [2020-07-10 19:05:37,842 INFO L263 TraceCheckUtils]: 6: Hoare triple {5430#true} call #t~ret24 := main(); {5430#true} is VALID [2020-07-10 19:05:37,842 INFO L263 TraceCheckUtils]: 7: Hoare triple {5430#true} call #t~ret14 := _get_nondet_int(2, 5); {5430#true} is VALID [2020-07-10 19:05:37,844 INFO L280 TraceCheckUtils]: 8: Hoare triple {5430#true} ~from := #in~from; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:37,845 INFO L280 TraceCheckUtils]: 9: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:37,846 INFO L280 TraceCheckUtils]: 10: Hoare triple {5488#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,846 INFO L280 TraceCheckUtils]: 11: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,847 INFO L280 TraceCheckUtils]: 12: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,847 INFO L280 TraceCheckUtils]: 13: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,848 INFO L280 TraceCheckUtils]: 14: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,849 INFO L280 TraceCheckUtils]: 15: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,849 INFO L280 TraceCheckUtils]: 16: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,850 INFO L280 TraceCheckUtils]: 17: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:37,851 INFO L280 TraceCheckUtils]: 18: Hoare triple {5489#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:37,851 INFO L280 TraceCheckUtils]: 19: Hoare triple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:37,852 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5490#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {5430#true} #243#return; {5450#(<= 2 |main_#t~ret14|)} is VALID [2020-07-10 19:05:37,853 INFO L280 TraceCheckUtils]: 21: Hoare triple {5450#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {5450#(<= 2 |main_#t~ret14|)} is VALID [2020-07-10 19:05:37,854 INFO L280 TraceCheckUtils]: 22: Hoare triple {5450#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {5451#(<= 2 main_~len~2)} is VALID [2020-07-10 19:05:37,854 INFO L280 TraceCheckUtils]: 23: Hoare triple {5451#(<= 2 main_~len~2)} havoc #t~ret14; {5451#(<= 2 main_~len~2)} is VALID [2020-07-10 19:05:37,855 INFO L280 TraceCheckUtils]: 24: Hoare triple {5451#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {5451#(<= 2 main_~len~2)} is VALID [2020-07-10 19:05:37,856 INFO L263 TraceCheckUtils]: 25: Hoare triple {5451#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {5491#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:37,856 INFO L280 TraceCheckUtils]: 26: Hoare triple {5491#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:37,857 INFO L280 TraceCheckUtils]: 27: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {5492#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:37,858 INFO L280 TraceCheckUtils]: 28: Hoare triple {5492#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:37,858 INFO L280 TraceCheckUtils]: 29: Hoare triple {5493#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,859 INFO L280 TraceCheckUtils]: 30: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !!(#t~post2 > 0); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,860 INFO L280 TraceCheckUtils]: 31: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,860 INFO L280 TraceCheckUtils]: 32: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,861 INFO L280 TraceCheckUtils]: 33: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,862 INFO L280 TraceCheckUtils]: 34: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,862 INFO L280 TraceCheckUtils]: 35: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,863 INFO L280 TraceCheckUtils]: 36: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-10 19:05:37,864 INFO L280 TraceCheckUtils]: 37: Hoare triple {5494#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-10 19:05:37,865 INFO L280 TraceCheckUtils]: 38: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-10 19:05:37,865 INFO L280 TraceCheckUtils]: 39: Hoare triple {5495#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,866 INFO L280 TraceCheckUtils]: 40: Hoare triple {5496#(<= |sll_create_#in~len| 1)} havoc #t~post2; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,867 INFO L280 TraceCheckUtils]: 41: Hoare triple {5496#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,867 INFO L280 TraceCheckUtils]: 42: Hoare triple {5496#(<= |sll_create_#in~len| 1)} assume true; {5496#(<= |sll_create_#in~len| 1)} is VALID [2020-07-10 19:05:37,869 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {5496#(<= |sll_create_#in~len| 1)} {5451#(<= 2 main_~len~2)} #245#return; {5431#false} is VALID [2020-07-10 19:05:37,869 INFO L280 TraceCheckUtils]: 44: Hoare triple {5431#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {5431#false} is VALID [2020-07-10 19:05:37,869 INFO L280 TraceCheckUtils]: 45: Hoare triple {5431#false} havoc #t~ret15.base, #t~ret15.offset; {5431#false} is VALID [2020-07-10 19:05:37,869 INFO L263 TraceCheckUtils]: 46: Hoare triple {5431#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {5430#true} is VALID [2020-07-10 19:05:37,870 INFO L280 TraceCheckUtils]: 47: Hoare triple {5430#true} ~from := #in~from; {5430#true} is VALID [2020-07-10 19:05:37,870 INFO L280 TraceCheckUtils]: 48: Hoare triple {5430#true} ~until := #in~until; {5430#true} is VALID [2020-07-10 19:05:37,870 INFO L280 TraceCheckUtils]: 49: Hoare triple {5430#true} ~len~1 := ~from; {5430#true} is VALID [2020-07-10 19:05:37,870 INFO L280 TraceCheckUtils]: 50: Hoare triple {5430#true} #t~short12 := ~len~1 < ~until; {5430#true} is VALID [2020-07-10 19:05:37,871 INFO L280 TraceCheckUtils]: 51: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-10 19:05:37,871 INFO L280 TraceCheckUtils]: 52: Hoare triple {5430#true} assume !#t~short12; {5430#true} is VALID [2020-07-10 19:05:37,871 INFO L280 TraceCheckUtils]: 53: Hoare triple {5430#true} havoc #t~short12; {5430#true} is VALID [2020-07-10 19:05:37,871 INFO L280 TraceCheckUtils]: 54: Hoare triple {5430#true} havoc #t~nondet11; {5430#true} is VALID [2020-07-10 19:05:37,872 INFO L280 TraceCheckUtils]: 55: Hoare triple {5430#true} #res := ~len~1; {5430#true} is VALID [2020-07-10 19:05:37,872 INFO L280 TraceCheckUtils]: 56: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-10 19:05:37,872 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {5430#true} {5431#false} #247#return; {5431#false} is VALID [2020-07-10 19:05:37,872 INFO L280 TraceCheckUtils]: 58: Hoare triple {5431#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {5431#false} is VALID [2020-07-10 19:05:37,872 INFO L280 TraceCheckUtils]: 59: Hoare triple {5431#false} ~k~0 := #t~ret16; {5431#false} is VALID [2020-07-10 19:05:37,873 INFO L280 TraceCheckUtils]: 60: Hoare triple {5431#false} havoc #t~ret16; {5431#false} is VALID [2020-07-10 19:05:37,873 INFO L280 TraceCheckUtils]: 61: Hoare triple {5431#false} ~i~0 := 0; {5431#false} is VALID [2020-07-10 19:05:37,873 INFO L280 TraceCheckUtils]: 62: Hoare triple {5431#false} #t~short18 := ~i~0 < ~k~0; {5431#false} is VALID [2020-07-10 19:05:37,873 INFO L280 TraceCheckUtils]: 63: Hoare triple {5431#false} assume !#t~short18; {5431#false} is VALID [2020-07-10 19:05:37,874 INFO L280 TraceCheckUtils]: 64: Hoare triple {5431#false} assume !#t~short18; {5431#false} is VALID [2020-07-10 19:05:37,874 INFO L280 TraceCheckUtils]: 65: Hoare triple {5431#false} havoc #t~short18; {5431#false} is VALID [2020-07-10 19:05:37,874 INFO L280 TraceCheckUtils]: 66: Hoare triple {5431#false} havoc #t~nondet17; {5431#false} is VALID [2020-07-10 19:05:37,874 INFO L280 TraceCheckUtils]: 67: Hoare triple {5431#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {5431#false} is VALID [2020-07-10 19:05:37,875 INFO L263 TraceCheckUtils]: 68: Hoare triple {5431#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {5430#true} is VALID [2020-07-10 19:05:37,875 INFO L280 TraceCheckUtils]: 69: Hoare triple {5430#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {5430#true} is VALID [2020-07-10 19:05:37,875 INFO L280 TraceCheckUtils]: 70: Hoare triple {5430#true} ~len~0 := 0; {5430#true} is VALID [2020-07-10 19:05:37,875 INFO L280 TraceCheckUtils]: 71: Hoare triple {5430#true} assume !(~head.base != 0 || ~head.offset != 0); {5430#true} is VALID [2020-07-10 19:05:37,876 INFO L280 TraceCheckUtils]: 72: Hoare triple {5430#true} #res := ~len~0; {5430#true} is VALID [2020-07-10 19:05:37,876 INFO L280 TraceCheckUtils]: 73: Hoare triple {5430#true} assume true; {5430#true} is VALID [2020-07-10 19:05:37,876 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {5430#true} {5431#false} #253#return; {5431#false} is VALID [2020-07-10 19:05:37,876 INFO L280 TraceCheckUtils]: 75: Hoare triple {5431#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {5431#false} is VALID [2020-07-10 19:05:37,876 INFO L280 TraceCheckUtils]: 76: Hoare triple {5431#false} assume ~k~0 + ~len~2 != #t~ret22; {5431#false} is VALID [2020-07-10 19:05:37,877 INFO L280 TraceCheckUtils]: 77: Hoare triple {5431#false} havoc #t~mem21.base, #t~mem21.offset; {5431#false} is VALID [2020-07-10 19:05:37,877 INFO L280 TraceCheckUtils]: 78: Hoare triple {5431#false} havoc #t~ret22; {5431#false} is VALID [2020-07-10 19:05:37,877 INFO L280 TraceCheckUtils]: 79: Hoare triple {5431#false} assume !false; {5431#false} is VALID [2020-07-10 19:05:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:05:37,889 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:37,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89830566] [2020-07-10 19:05:37,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:37,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-10 19:05:37,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907095144] [2020-07-10 19:05:37,890 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2020-07-10 19:05:37,891 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:37,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-10 19:05:37,991 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:37,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-10 19:05:37,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:37,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-10 19:05:37,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-10 19:05:37,992 INFO L87 Difference]: Start difference. First operand 161 states and 174 transitions. Second operand 14 states. [2020-07-10 19:05:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:41,824 INFO L93 Difference]: Finished difference Result 307 states and 339 transitions. [2020-07-10 19:05:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-10 19:05:41,824 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2020-07-10 19:05:41,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 19:05:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 334 transitions. [2020-07-10 19:05:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 19:05:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 334 transitions. [2020-07-10 19:05:41,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 334 transitions. [2020-07-10 19:05:42,290 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 334 edges. 334 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:42,296 INFO L225 Difference]: With dead ends: 307 [2020-07-10 19:05:42,296 INFO L226 Difference]: Without dead ends: 221 [2020-07-10 19:05:42,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=770, Unknown=0, NotChecked=0, Total=930 [2020-07-10 19:05:42,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-10 19:05:42,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 170. [2020-07-10 19:05:42,687 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:42,687 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 170 states. [2020-07-10 19:05:42,688 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 170 states. [2020-07-10 19:05:42,688 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 170 states. [2020-07-10 19:05:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:42,698 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2020-07-10 19:05:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 245 transitions. [2020-07-10 19:05:42,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:42,699 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:42,700 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 221 states. [2020-07-10 19:05:42,700 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 221 states. [2020-07-10 19:05:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:42,708 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2020-07-10 19:05:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 245 transitions. [2020-07-10 19:05:42,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:42,710 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:42,710 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:42,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:42,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-10 19:05:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2020-07-10 19:05:42,716 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 80 [2020-07-10 19:05:42,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:42,716 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2020-07-10 19:05:42,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-10 19:05:42,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 170 states and 184 transitions. [2020-07-10 19:05:43,020 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2020-07-10 19:05:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-10 19:05:43,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:43,023 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:43,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 19:05:43,024 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:43,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:43,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1107353865, now seen corresponding path program 2 times [2020-07-10 19:05:43,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:43,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114823631] [2020-07-10 19:05:43,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:43,149 INFO L280 TraceCheckUtils]: 0: Hoare triple {6992#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6934#true} is VALID [2020-07-10 19:05:43,150 INFO L280 TraceCheckUtils]: 1: Hoare triple {6934#true} #valid := #valid[0 := 0]; {6934#true} is VALID [2020-07-10 19:05:43,150 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} assume 0 < #StackHeapBarrier; {6934#true} is VALID [2020-07-10 19:05:43,150 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-10 19:05:43,150 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6934#true} {6934#true} #259#return; {6934#true} is VALID [2020-07-10 19:05:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:43,251 INFO L280 TraceCheckUtils]: 0: Hoare triple {6934#true} ~from := #in~from; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:43,252 INFO L280 TraceCheckUtils]: 1: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:43,252 INFO L280 TraceCheckUtils]: 2: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,253 INFO L280 TraceCheckUtils]: 3: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,253 INFO L280 TraceCheckUtils]: 4: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,254 INFO L280 TraceCheckUtils]: 5: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,254 INFO L280 TraceCheckUtils]: 6: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,255 INFO L280 TraceCheckUtils]: 7: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,255 INFO L280 TraceCheckUtils]: 8: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,256 INFO L280 TraceCheckUtils]: 9: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,257 INFO L280 TraceCheckUtils]: 10: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,258 INFO L280 TraceCheckUtils]: 11: Hoare triple {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,258 INFO L280 TraceCheckUtils]: 12: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,259 INFO L280 TraceCheckUtils]: 13: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,259 INFO L280 TraceCheckUtils]: 14: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,260 INFO L280 TraceCheckUtils]: 15: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,260 INFO L280 TraceCheckUtils]: 16: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,261 INFO L280 TraceCheckUtils]: 17: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,261 INFO L280 TraceCheckUtils]: 18: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,262 INFO L280 TraceCheckUtils]: 19: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,263 INFO L280 TraceCheckUtils]: 20: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,263 INFO L280 TraceCheckUtils]: 21: Hoare triple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,264 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {6934#true} #243#return; {6964#(<= 3 |main_#t~ret14|)} is VALID [2020-07-10 19:05:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:43,337 INFO L280 TraceCheckUtils]: 0: Hoare triple {6998#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:43,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:43,338 INFO L280 TraceCheckUtils]: 2: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:43,338 INFO L280 TraceCheckUtils]: 3: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:43,339 INFO L280 TraceCheckUtils]: 4: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,339 INFO L280 TraceCheckUtils]: 5: Hoare triple {7001#(<= |sll_create_#in~len| 0)} havoc #t~post2; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,340 INFO L280 TraceCheckUtils]: 6: Hoare triple {7001#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,340 INFO L280 TraceCheckUtils]: 7: Hoare triple {7001#(<= |sll_create_#in~len| 0)} assume true; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,341 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7001#(<= |sll_create_#in~len| 0)} {6965#(<= 3 main_~len~2)} #245#return; {6935#false} is VALID [2020-07-10 19:05:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:43,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {6934#true} ~from := #in~from; {6934#true} is VALID [2020-07-10 19:05:43,347 INFO L280 TraceCheckUtils]: 1: Hoare triple {6934#true} ~until := #in~until; {6934#true} is VALID [2020-07-10 19:05:43,347 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} ~len~1 := ~from; {6934#true} is VALID [2020-07-10 19:05:43,347 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} #t~short12 := ~len~1 < ~until; {6934#true} is VALID [2020-07-10 19:05:43,348 INFO L280 TraceCheckUtils]: 4: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-10 19:05:43,348 INFO L280 TraceCheckUtils]: 5: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-10 19:05:43,348 INFO L280 TraceCheckUtils]: 6: Hoare triple {6934#true} havoc #t~short12; {6934#true} is VALID [2020-07-10 19:05:43,348 INFO L280 TraceCheckUtils]: 7: Hoare triple {6934#true} havoc #t~nondet11; {6934#true} is VALID [2020-07-10 19:05:43,348 INFO L280 TraceCheckUtils]: 8: Hoare triple {6934#true} #res := ~len~1; {6934#true} is VALID [2020-07-10 19:05:43,349 INFO L280 TraceCheckUtils]: 9: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-10 19:05:43,349 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {6934#true} {6935#false} #247#return; {6935#false} is VALID [2020-07-10 19:05:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:43,353 INFO L280 TraceCheckUtils]: 0: Hoare triple {6934#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {6934#true} is VALID [2020-07-10 19:05:43,353 INFO L280 TraceCheckUtils]: 1: Hoare triple {6934#true} ~len~0 := 0; {6934#true} is VALID [2020-07-10 19:05:43,354 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} assume !(~head.base != 0 || ~head.offset != 0); {6934#true} is VALID [2020-07-10 19:05:43,354 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} #res := ~len~0; {6934#true} is VALID [2020-07-10 19:05:43,354 INFO L280 TraceCheckUtils]: 4: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-10 19:05:43,354 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6934#true} {6935#false} #253#return; {6935#false} is VALID [2020-07-10 19:05:43,355 INFO L263 TraceCheckUtils]: 0: Hoare triple {6934#true} call ULTIMATE.init(); {6992#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:43,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {6992#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6934#true} is VALID [2020-07-10 19:05:43,356 INFO L280 TraceCheckUtils]: 2: Hoare triple {6934#true} #valid := #valid[0 := 0]; {6934#true} is VALID [2020-07-10 19:05:43,356 INFO L280 TraceCheckUtils]: 3: Hoare triple {6934#true} assume 0 < #StackHeapBarrier; {6934#true} is VALID [2020-07-10 19:05:43,356 INFO L280 TraceCheckUtils]: 4: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-10 19:05:43,356 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6934#true} {6934#true} #259#return; {6934#true} is VALID [2020-07-10 19:05:43,356 INFO L263 TraceCheckUtils]: 6: Hoare triple {6934#true} call #t~ret24 := main(); {6934#true} is VALID [2020-07-10 19:05:43,357 INFO L263 TraceCheckUtils]: 7: Hoare triple {6934#true} call #t~ret14 := _get_nondet_int(2, 5); {6934#true} is VALID [2020-07-10 19:05:43,357 INFO L280 TraceCheckUtils]: 8: Hoare triple {6934#true} ~from := #in~from; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:43,358 INFO L280 TraceCheckUtils]: 9: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-10 19:05:43,358 INFO L280 TraceCheckUtils]: 10: Hoare triple {6993#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,359 INFO L280 TraceCheckUtils]: 11: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,359 INFO L280 TraceCheckUtils]: 12: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,360 INFO L280 TraceCheckUtils]: 13: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,360 INFO L280 TraceCheckUtils]: 14: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,361 INFO L280 TraceCheckUtils]: 15: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,361 INFO L280 TraceCheckUtils]: 16: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,362 INFO L280 TraceCheckUtils]: 17: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-10 19:05:43,362 INFO L280 TraceCheckUtils]: 18: Hoare triple {6994#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,363 INFO L280 TraceCheckUtils]: 19: Hoare triple {6995#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,364 INFO L280 TraceCheckUtils]: 20: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,364 INFO L280 TraceCheckUtils]: 21: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,365 INFO L280 TraceCheckUtils]: 22: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,365 INFO L280 TraceCheckUtils]: 23: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,366 INFO L280 TraceCheckUtils]: 24: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,366 INFO L280 TraceCheckUtils]: 25: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,367 INFO L280 TraceCheckUtils]: 26: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,367 INFO L280 TraceCheckUtils]: 27: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,368 INFO L280 TraceCheckUtils]: 28: Hoare triple {6996#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,369 INFO L280 TraceCheckUtils]: 29: Hoare triple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-10 19:05:43,370 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6997#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {6934#true} #243#return; {6964#(<= 3 |main_#t~ret14|)} is VALID [2020-07-10 19:05:43,370 INFO L280 TraceCheckUtils]: 31: Hoare triple {6964#(<= 3 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {6964#(<= 3 |main_#t~ret14|)} is VALID [2020-07-10 19:05:43,371 INFO L280 TraceCheckUtils]: 32: Hoare triple {6964#(<= 3 |main_#t~ret14|)} ~len~2 := #t~ret14; {6965#(<= 3 main_~len~2)} is VALID [2020-07-10 19:05:43,371 INFO L280 TraceCheckUtils]: 33: Hoare triple {6965#(<= 3 main_~len~2)} havoc #t~ret14; {6965#(<= 3 main_~len~2)} is VALID [2020-07-10 19:05:43,372 INFO L280 TraceCheckUtils]: 34: Hoare triple {6965#(<= 3 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {6965#(<= 3 main_~len~2)} is VALID [2020-07-10 19:05:43,373 INFO L263 TraceCheckUtils]: 35: Hoare triple {6965#(<= 3 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {6998#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:43,373 INFO L280 TraceCheckUtils]: 36: Hoare triple {6998#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:43,374 INFO L280 TraceCheckUtils]: 37: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {6999#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-10 19:05:43,374 INFO L280 TraceCheckUtils]: 38: Hoare triple {6999#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:43,375 INFO L280 TraceCheckUtils]: 39: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-10 19:05:43,376 INFO L280 TraceCheckUtils]: 40: Hoare triple {7000#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,376 INFO L280 TraceCheckUtils]: 41: Hoare triple {7001#(<= |sll_create_#in~len| 0)} havoc #t~post2; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,377 INFO L280 TraceCheckUtils]: 42: Hoare triple {7001#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,377 INFO L280 TraceCheckUtils]: 43: Hoare triple {7001#(<= |sll_create_#in~len| 0)} assume true; {7001#(<= |sll_create_#in~len| 0)} is VALID [2020-07-10 19:05:43,379 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7001#(<= |sll_create_#in~len| 0)} {6965#(<= 3 main_~len~2)} #245#return; {6935#false} is VALID [2020-07-10 19:05:43,379 INFO L280 TraceCheckUtils]: 45: Hoare triple {6935#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {6935#false} is VALID [2020-07-10 19:05:43,379 INFO L280 TraceCheckUtils]: 46: Hoare triple {6935#false} havoc #t~ret15.base, #t~ret15.offset; {6935#false} is VALID [2020-07-10 19:05:43,380 INFO L263 TraceCheckUtils]: 47: Hoare triple {6935#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {6934#true} is VALID [2020-07-10 19:05:43,380 INFO L280 TraceCheckUtils]: 48: Hoare triple {6934#true} ~from := #in~from; {6934#true} is VALID [2020-07-10 19:05:43,380 INFO L280 TraceCheckUtils]: 49: Hoare triple {6934#true} ~until := #in~until; {6934#true} is VALID [2020-07-10 19:05:43,380 INFO L280 TraceCheckUtils]: 50: Hoare triple {6934#true} ~len~1 := ~from; {6934#true} is VALID [2020-07-10 19:05:43,380 INFO L280 TraceCheckUtils]: 51: Hoare triple {6934#true} #t~short12 := ~len~1 < ~until; {6934#true} is VALID [2020-07-10 19:05:43,381 INFO L280 TraceCheckUtils]: 52: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-10 19:05:43,381 INFO L280 TraceCheckUtils]: 53: Hoare triple {6934#true} assume !#t~short12; {6934#true} is VALID [2020-07-10 19:05:43,381 INFO L280 TraceCheckUtils]: 54: Hoare triple {6934#true} havoc #t~short12; {6934#true} is VALID [2020-07-10 19:05:43,381 INFO L280 TraceCheckUtils]: 55: Hoare triple {6934#true} havoc #t~nondet11; {6934#true} is VALID [2020-07-10 19:05:43,381 INFO L280 TraceCheckUtils]: 56: Hoare triple {6934#true} #res := ~len~1; {6934#true} is VALID [2020-07-10 19:05:43,381 INFO L280 TraceCheckUtils]: 57: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-10 19:05:43,382 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6934#true} {6935#false} #247#return; {6935#false} is VALID [2020-07-10 19:05:43,382 INFO L280 TraceCheckUtils]: 59: Hoare triple {6935#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {6935#false} is VALID [2020-07-10 19:05:43,382 INFO L280 TraceCheckUtils]: 60: Hoare triple {6935#false} ~k~0 := #t~ret16; {6935#false} is VALID [2020-07-10 19:05:43,382 INFO L280 TraceCheckUtils]: 61: Hoare triple {6935#false} havoc #t~ret16; {6935#false} is VALID [2020-07-10 19:05:43,383 INFO L280 TraceCheckUtils]: 62: Hoare triple {6935#false} ~i~0 := 0; {6935#false} is VALID [2020-07-10 19:05:43,383 INFO L280 TraceCheckUtils]: 63: Hoare triple {6935#false} #t~short18 := ~i~0 < ~k~0; {6935#false} is VALID [2020-07-10 19:05:43,383 INFO L280 TraceCheckUtils]: 64: Hoare triple {6935#false} assume !#t~short18; {6935#false} is VALID [2020-07-10 19:05:43,383 INFO L280 TraceCheckUtils]: 65: Hoare triple {6935#false} assume !#t~short18; {6935#false} is VALID [2020-07-10 19:05:43,383 INFO L280 TraceCheckUtils]: 66: Hoare triple {6935#false} havoc #t~short18; {6935#false} is VALID [2020-07-10 19:05:43,384 INFO L280 TraceCheckUtils]: 67: Hoare triple {6935#false} havoc #t~nondet17; {6935#false} is VALID [2020-07-10 19:05:43,384 INFO L280 TraceCheckUtils]: 68: Hoare triple {6935#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {6935#false} is VALID [2020-07-10 19:05:43,384 INFO L263 TraceCheckUtils]: 69: Hoare triple {6935#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {6934#true} is VALID [2020-07-10 19:05:43,384 INFO L280 TraceCheckUtils]: 70: Hoare triple {6934#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {6934#true} is VALID [2020-07-10 19:05:43,384 INFO L280 TraceCheckUtils]: 71: Hoare triple {6934#true} ~len~0 := 0; {6934#true} is VALID [2020-07-10 19:05:43,385 INFO L280 TraceCheckUtils]: 72: Hoare triple {6934#true} assume !(~head.base != 0 || ~head.offset != 0); {6934#true} is VALID [2020-07-10 19:05:43,385 INFO L280 TraceCheckUtils]: 73: Hoare triple {6934#true} #res := ~len~0; {6934#true} is VALID [2020-07-10 19:05:43,385 INFO L280 TraceCheckUtils]: 74: Hoare triple {6934#true} assume true; {6934#true} is VALID [2020-07-10 19:05:43,385 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {6934#true} {6935#false} #253#return; {6935#false} is VALID [2020-07-10 19:05:43,385 INFO L280 TraceCheckUtils]: 76: Hoare triple {6935#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {6935#false} is VALID [2020-07-10 19:05:43,386 INFO L280 TraceCheckUtils]: 77: Hoare triple {6935#false} assume ~k~0 + ~len~2 != #t~ret22; {6935#false} is VALID [2020-07-10 19:05:43,386 INFO L280 TraceCheckUtils]: 78: Hoare triple {6935#false} havoc #t~mem21.base, #t~mem21.offset; {6935#false} is VALID [2020-07-10 19:05:43,386 INFO L280 TraceCheckUtils]: 79: Hoare triple {6935#false} havoc #t~ret22; {6935#false} is VALID [2020-07-10 19:05:43,386 INFO L280 TraceCheckUtils]: 80: Hoare triple {6935#false} assume !false; {6935#false} is VALID [2020-07-10 19:05:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:05:43,394 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:43,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114823631] [2020-07-10 19:05:43,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:43,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-10 19:05:43,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893079627] [2020-07-10 19:05:43,396 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2020-07-10 19:05:43,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:43,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-10 19:05:43,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:43,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-10 19:05:43,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:43,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-10 19:05:43,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-07-10 19:05:43,494 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand 14 states. [2020-07-10 19:05:48,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:48,878 INFO L93 Difference]: Finished difference Result 306 states and 337 transitions. [2020-07-10 19:05:48,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-10 19:05:48,879 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2020-07-10 19:05:48,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 19:05:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 321 transitions. [2020-07-10 19:05:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 19:05:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 321 transitions. [2020-07-10 19:05:48,895 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 321 transitions. [2020-07-10 19:05:49,488 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 321 edges. 321 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:49,496 INFO L225 Difference]: With dead ends: 306 [2020-07-10 19:05:49,497 INFO L226 Difference]: Without dead ends: 216 [2020-07-10 19:05:49,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2020-07-10 19:05:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-07-10 19:05:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2020-07-10 19:05:50,110 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:50,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 216 states. Second operand 170 states. [2020-07-10 19:05:50,111 INFO L74 IsIncluded]: Start isIncluded. First operand 216 states. Second operand 170 states. [2020-07-10 19:05:50,111 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 170 states. [2020-07-10 19:05:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:50,123 INFO L93 Difference]: Finished difference Result 216 states and 239 transitions. [2020-07-10 19:05:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2020-07-10 19:05:50,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:50,125 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:50,125 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 216 states. [2020-07-10 19:05:50,125 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 216 states. [2020-07-10 19:05:50,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:50,138 INFO L93 Difference]: Finished difference Result 216 states and 239 transitions. [2020-07-10 19:05:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2020-07-10 19:05:50,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:50,142 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:50,142 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:50,143 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-10 19:05:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2020-07-10 19:05:50,150 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 81 [2020-07-10 19:05:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:50,150 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2020-07-10 19:05:50,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-10 19:05:50,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 170 states and 183 transitions. [2020-07-10 19:05:50,589 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2020-07-10 19:05:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-10 19:05:50,592 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:50,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:50,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-10 19:05:50,593 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:50,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:50,593 INFO L82 PathProgramCache]: Analyzing trace with hash -574415326, now seen corresponding path program 2 times [2020-07-10 19:05:50,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:50,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622652705] [2020-07-10 19:05:50,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:50,853 INFO L280 TraceCheckUtils]: 0: Hoare triple {8498#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8431#true} is VALID [2020-07-10 19:05:50,854 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} #valid := #valid[0 := 0]; {8431#true} is VALID [2020-07-10 19:05:50,854 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} assume 0 < #StackHeapBarrier; {8431#true} is VALID [2020-07-10 19:05:50,854 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-10 19:05:50,855 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8431#true} {8431#true} #259#return; {8431#true} is VALID [2020-07-10 19:05:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:50,864 INFO L280 TraceCheckUtils]: 0: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-10 19:05:50,864 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-10 19:05:50,865 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-10 19:05:50,865 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-10 19:05:50,865 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume #t~short12; {8431#true} is VALID [2020-07-10 19:05:50,866 INFO L280 TraceCheckUtils]: 5: Hoare triple {8431#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8431#true} is VALID [2020-07-10 19:05:50,866 INFO L280 TraceCheckUtils]: 6: Hoare triple {8431#true} #t~short12 := 0 != #t~nondet11; {8431#true} is VALID [2020-07-10 19:05:50,866 INFO L280 TraceCheckUtils]: 7: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-10 19:05:50,867 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-10 19:05:50,867 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-10 19:05:50,867 INFO L280 TraceCheckUtils]: 10: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-10 19:05:50,868 INFO L280 TraceCheckUtils]: 11: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-10 19:05:50,868 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {8431#true} {8431#true} #243#return; {8431#true} is VALID [2020-07-10 19:05:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:51,056 INFO L280 TraceCheckUtils]: 0: Hoare triple {8499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {8431#true} is VALID [2020-07-10 19:05:51,057 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := 0, 0; {8431#true} is VALID [2020-07-10 19:05:51,057 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-10 19:05:51,057 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-10 19:05:51,058 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-10 19:05:51,058 INFO L280 TraceCheckUtils]: 5: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-10 19:05:51,058 INFO L280 TraceCheckUtils]: 6: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8431#true} is VALID [2020-07-10 19:05:51,059 INFO L280 TraceCheckUtils]: 7: Hoare triple {8431#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8431#true} is VALID [2020-07-10 19:05:51,059 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8431#true} is VALID [2020-07-10 19:05:51,059 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8431#true} is VALID [2020-07-10 19:05:51,060 INFO L280 TraceCheckUtils]: 10: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8431#true} is VALID [2020-07-10 19:05:51,060 INFO L280 TraceCheckUtils]: 11: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-10 19:05:51,060 INFO L280 TraceCheckUtils]: 12: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-10 19:05:51,061 INFO L280 TraceCheckUtils]: 13: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-10 19:05:51,061 INFO L280 TraceCheckUtils]: 14: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-10 19:05:51,063 INFO L280 TraceCheckUtils]: 15: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} is VALID [2020-07-10 19:05:51,064 INFO L280 TraceCheckUtils]: 16: Hoare triple {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-10 19:05:51,065 INFO L280 TraceCheckUtils]: 17: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-10 19:05:51,066 INFO L280 TraceCheckUtils]: 18: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-10 19:05:51,067 INFO L280 TraceCheckUtils]: 19: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,068 INFO L280 TraceCheckUtils]: 20: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #t~post2 := ~len; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,069 INFO L280 TraceCheckUtils]: 21: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} ~len := #t~post2 - 1; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,070 INFO L280 TraceCheckUtils]: 22: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} assume !(#t~post2 > 0); {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,071 INFO L280 TraceCheckUtils]: 23: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} havoc #t~post2; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,072 INFO L280 TraceCheckUtils]: 24: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-10 19:05:51,073 INFO L280 TraceCheckUtils]: 25: Hoare triple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} assume true; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-10 19:05:51,075 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} {8431#true} #245#return; {8478#(not (= 0 |main_#t~ret15.base|))} is VALID [2020-07-10 19:05:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:51,087 INFO L280 TraceCheckUtils]: 0: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-10 19:05:51,087 INFO L280 TraceCheckUtils]: 1: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-10 19:05:51,087 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-10 19:05:51,088 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-10 19:05:51,088 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-10 19:05:51,088 INFO L280 TraceCheckUtils]: 5: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-10 19:05:51,089 INFO L280 TraceCheckUtils]: 6: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-10 19:05:51,089 INFO L280 TraceCheckUtils]: 7: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-10 19:05:51,090 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-10 19:05:51,090 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-10 19:05:51,092 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {8431#true} {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #247#return; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:51,149 INFO L280 TraceCheckUtils]: 0: Hoare triple {8431#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-10 19:05:51,150 INFO L280 TraceCheckUtils]: 1: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} ~len~0 := 0; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-10 19:05:51,151 INFO L280 TraceCheckUtils]: 2: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-10 19:05:51,151 INFO L280 TraceCheckUtils]: 3: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} #res := ~len~0; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-10 19:05:51,152 INFO L280 TraceCheckUtils]: 4: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} assume true; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-10 19:05:51,153 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8505#(= 0 |sll_length_#in~head.base|)} {8491#(not (= 0 |main_#t~mem21.base|))} #253#return; {8432#false} is VALID [2020-07-10 19:05:51,154 INFO L263 TraceCheckUtils]: 0: Hoare triple {8431#true} call ULTIMATE.init(); {8498#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:05:51,154 INFO L280 TraceCheckUtils]: 1: Hoare triple {8498#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8431#true} is VALID [2020-07-10 19:05:51,154 INFO L280 TraceCheckUtils]: 2: Hoare triple {8431#true} #valid := #valid[0 := 0]; {8431#true} is VALID [2020-07-10 19:05:51,154 INFO L280 TraceCheckUtils]: 3: Hoare triple {8431#true} assume 0 < #StackHeapBarrier; {8431#true} is VALID [2020-07-10 19:05:51,155 INFO L280 TraceCheckUtils]: 4: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-10 19:05:51,155 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8431#true} {8431#true} #259#return; {8431#true} is VALID [2020-07-10 19:05:51,155 INFO L263 TraceCheckUtils]: 6: Hoare triple {8431#true} call #t~ret24 := main(); {8431#true} is VALID [2020-07-10 19:05:51,155 INFO L263 TraceCheckUtils]: 7: Hoare triple {8431#true} call #t~ret14 := _get_nondet_int(2, 5); {8431#true} is VALID [2020-07-10 19:05:51,155 INFO L280 TraceCheckUtils]: 8: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-10 19:05:51,156 INFO L280 TraceCheckUtils]: 9: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-10 19:05:51,156 INFO L280 TraceCheckUtils]: 10: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-10 19:05:51,156 INFO L280 TraceCheckUtils]: 11: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-10 19:05:51,156 INFO L280 TraceCheckUtils]: 12: Hoare triple {8431#true} assume #t~short12; {8431#true} is VALID [2020-07-10 19:05:51,157 INFO L280 TraceCheckUtils]: 13: Hoare triple {8431#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8431#true} is VALID [2020-07-10 19:05:51,157 INFO L280 TraceCheckUtils]: 14: Hoare triple {8431#true} #t~short12 := 0 != #t~nondet11; {8431#true} is VALID [2020-07-10 19:05:51,157 INFO L280 TraceCheckUtils]: 15: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-10 19:05:51,157 INFO L280 TraceCheckUtils]: 16: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-10 19:05:51,158 INFO L280 TraceCheckUtils]: 17: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-10 19:05:51,158 INFO L280 TraceCheckUtils]: 18: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-10 19:05:51,158 INFO L280 TraceCheckUtils]: 19: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-10 19:05:51,159 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8431#true} {8431#true} #243#return; {8431#true} is VALID [2020-07-10 19:05:51,159 INFO L280 TraceCheckUtils]: 21: Hoare triple {8431#true} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {8431#true} is VALID [2020-07-10 19:05:51,159 INFO L280 TraceCheckUtils]: 22: Hoare triple {8431#true} ~len~2 := #t~ret14; {8431#true} is VALID [2020-07-10 19:05:51,160 INFO L280 TraceCheckUtils]: 23: Hoare triple {8431#true} havoc #t~ret14; {8431#true} is VALID [2020-07-10 19:05:51,160 INFO L280 TraceCheckUtils]: 24: Hoare triple {8431#true} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {8431#true} is VALID [2020-07-10 19:05:51,162 INFO L263 TraceCheckUtils]: 25: Hoare triple {8431#true} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {8499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-10 19:05:51,162 INFO L280 TraceCheckUtils]: 26: Hoare triple {8499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {8431#true} is VALID [2020-07-10 19:05:51,162 INFO L280 TraceCheckUtils]: 27: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := 0, 0; {8431#true} is VALID [2020-07-10 19:05:51,163 INFO L280 TraceCheckUtils]: 28: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-10 19:05:51,163 INFO L280 TraceCheckUtils]: 29: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-10 19:05:51,163 INFO L280 TraceCheckUtils]: 30: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-10 19:05:51,164 INFO L280 TraceCheckUtils]: 31: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-10 19:05:51,164 INFO L280 TraceCheckUtils]: 32: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8431#true} is VALID [2020-07-10 19:05:51,164 INFO L280 TraceCheckUtils]: 33: Hoare triple {8431#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8431#true} is VALID [2020-07-10 19:05:51,165 INFO L280 TraceCheckUtils]: 34: Hoare triple {8431#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8431#true} is VALID [2020-07-10 19:05:51,165 INFO L280 TraceCheckUtils]: 35: Hoare triple {8431#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8431#true} is VALID [2020-07-10 19:05:51,165 INFO L280 TraceCheckUtils]: 36: Hoare triple {8431#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8431#true} is VALID [2020-07-10 19:05:51,166 INFO L280 TraceCheckUtils]: 37: Hoare triple {8431#true} #t~post2 := ~len; {8431#true} is VALID [2020-07-10 19:05:51,166 INFO L280 TraceCheckUtils]: 38: Hoare triple {8431#true} ~len := #t~post2 - 1; {8431#true} is VALID [2020-07-10 19:05:51,166 INFO L280 TraceCheckUtils]: 39: Hoare triple {8431#true} assume !!(#t~post2 > 0); {8431#true} is VALID [2020-07-10 19:05:51,167 INFO L280 TraceCheckUtils]: 40: Hoare triple {8431#true} havoc #t~post2; {8431#true} is VALID [2020-07-10 19:05:51,168 INFO L280 TraceCheckUtils]: 41: Hoare triple {8431#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} is VALID [2020-07-10 19:05:51,170 INFO L280 TraceCheckUtils]: 42: Hoare triple {8500#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-10 19:05:51,170 INFO L280 TraceCheckUtils]: 43: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-10 19:05:51,171 INFO L280 TraceCheckUtils]: 44: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-10 19:05:51,173 INFO L280 TraceCheckUtils]: 45: Hoare triple {8501#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,173 INFO L280 TraceCheckUtils]: 46: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #t~post2 := ~len; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,174 INFO L280 TraceCheckUtils]: 47: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} ~len := #t~post2 - 1; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,175 INFO L280 TraceCheckUtils]: 48: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} assume !(#t~post2 > 0); {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,176 INFO L280 TraceCheckUtils]: 49: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} havoc #t~post2; {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-10 19:05:51,177 INFO L280 TraceCheckUtils]: 50: Hoare triple {8502#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-10 19:05:51,178 INFO L280 TraceCheckUtils]: 51: Hoare triple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} assume true; {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-10 19:05:51,180 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {8503#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} {8431#true} #245#return; {8478#(not (= 0 |main_#t~ret15.base|))} is VALID [2020-07-10 19:05:51,181 INFO L280 TraceCheckUtils]: 53: Hoare triple {8478#(not (= 0 |main_#t~ret15.base|))} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,182 INFO L280 TraceCheckUtils]: 54: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~ret15.base, #t~ret15.offset; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,182 INFO L263 TraceCheckUtils]: 55: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {8431#true} is VALID [2020-07-10 19:05:51,182 INFO L280 TraceCheckUtils]: 56: Hoare triple {8431#true} ~from := #in~from; {8431#true} is VALID [2020-07-10 19:05:51,183 INFO L280 TraceCheckUtils]: 57: Hoare triple {8431#true} ~until := #in~until; {8431#true} is VALID [2020-07-10 19:05:51,183 INFO L280 TraceCheckUtils]: 58: Hoare triple {8431#true} ~len~1 := ~from; {8431#true} is VALID [2020-07-10 19:05:51,183 INFO L280 TraceCheckUtils]: 59: Hoare triple {8431#true} #t~short12 := ~len~1 < ~until; {8431#true} is VALID [2020-07-10 19:05:51,184 INFO L280 TraceCheckUtils]: 60: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-10 19:05:51,184 INFO L280 TraceCheckUtils]: 61: Hoare triple {8431#true} assume !#t~short12; {8431#true} is VALID [2020-07-10 19:05:51,184 INFO L280 TraceCheckUtils]: 62: Hoare triple {8431#true} havoc #t~short12; {8431#true} is VALID [2020-07-10 19:05:51,185 INFO L280 TraceCheckUtils]: 63: Hoare triple {8431#true} havoc #t~nondet11; {8431#true} is VALID [2020-07-10 19:05:51,185 INFO L280 TraceCheckUtils]: 64: Hoare triple {8431#true} #res := ~len~1; {8431#true} is VALID [2020-07-10 19:05:51,185 INFO L280 TraceCheckUtils]: 65: Hoare triple {8431#true} assume true; {8431#true} is VALID [2020-07-10 19:05:51,187 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {8431#true} {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #247#return; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,188 INFO L280 TraceCheckUtils]: 67: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,189 INFO L280 TraceCheckUtils]: 68: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} ~k~0 := #t~ret16; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,190 INFO L280 TraceCheckUtils]: 69: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~ret16; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,190 INFO L280 TraceCheckUtils]: 70: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} ~i~0 := 0; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,191 INFO L280 TraceCheckUtils]: 71: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #t~short18 := ~i~0 < ~k~0; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,192 INFO L280 TraceCheckUtils]: 72: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !#t~short18; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,193 INFO L280 TraceCheckUtils]: 73: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !#t~short18; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,194 INFO L280 TraceCheckUtils]: 74: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~short18; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,195 INFO L280 TraceCheckUtils]: 75: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~nondet17; {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-10 19:05:51,196 INFO L280 TraceCheckUtils]: 76: Hoare triple {8479#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {8491#(not (= 0 |main_#t~mem21.base|))} is VALID [2020-07-10 19:05:51,196 INFO L263 TraceCheckUtils]: 77: Hoare triple {8491#(not (= 0 |main_#t~mem21.base|))} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {8431#true} is VALID [2020-07-10 19:05:51,197 INFO L280 TraceCheckUtils]: 78: Hoare triple {8431#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-10 19:05:51,198 INFO L280 TraceCheckUtils]: 79: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} ~len~0 := 0; {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-10 19:05:51,199 INFO L280 TraceCheckUtils]: 80: Hoare triple {8504#(= |sll_length_#in~head.base| sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-10 19:05:51,200 INFO L280 TraceCheckUtils]: 81: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} #res := ~len~0; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-10 19:05:51,201 INFO L280 TraceCheckUtils]: 82: Hoare triple {8505#(= 0 |sll_length_#in~head.base|)} assume true; {8505#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-10 19:05:51,202 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {8505#(= 0 |sll_length_#in~head.base|)} {8491#(not (= 0 |main_#t~mem21.base|))} #253#return; {8432#false} is VALID [2020-07-10 19:05:51,203 INFO L280 TraceCheckUtils]: 84: Hoare triple {8432#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {8432#false} is VALID [2020-07-10 19:05:51,203 INFO L280 TraceCheckUtils]: 85: Hoare triple {8432#false} assume ~k~0 + ~len~2 != #t~ret22; {8432#false} is VALID [2020-07-10 19:05:51,203 INFO L280 TraceCheckUtils]: 86: Hoare triple {8432#false} havoc #t~mem21.base, #t~mem21.offset; {8432#false} is VALID [2020-07-10 19:05:51,204 INFO L280 TraceCheckUtils]: 87: Hoare triple {8432#false} havoc #t~ret22; {8432#false} is VALID [2020-07-10 19:05:51,204 INFO L280 TraceCheckUtils]: 88: Hoare triple {8432#false} assume !false; {8432#false} is VALID [2020-07-10 19:05:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:05:51,222 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:51,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622652705] [2020-07-10 19:05:51,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:51,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-10 19:05:51,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650748400] [2020-07-10 19:05:51,224 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-07-10 19:05:51,225 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:51,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-10 19:05:51,345 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:51,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-10 19:05:51,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:51,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-10 19:05:51,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-10 19:05:51,346 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 13 states. [2020-07-10 19:05:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:54,456 INFO L93 Difference]: Finished difference Result 207 states and 225 transitions. [2020-07-10 19:05:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-10 19:05:54,457 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-07-10 19:05:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 19:05:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2020-07-10 19:05:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 19:05:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2020-07-10 19:05:54,464 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 174 transitions. [2020-07-10 19:05:54,694 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:54,702 INFO L225 Difference]: With dead ends: 207 [2020-07-10 19:05:54,702 INFO L226 Difference]: Without dead ends: 201 [2020-07-10 19:05:54,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2020-07-10 19:05:54,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-10 19:05:55,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2020-07-10 19:05:55,242 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:55,242 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 183 states. [2020-07-10 19:05:55,242 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 183 states. [2020-07-10 19:05:55,243 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 183 states. [2020-07-10 19:05:55,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:55,253 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2020-07-10 19:05:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 219 transitions. [2020-07-10 19:05:55,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:55,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:55,254 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 201 states. [2020-07-10 19:05:55,255 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 201 states. [2020-07-10 19:05:55,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:55,262 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2020-07-10 19:05:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 219 transitions. [2020-07-10 19:05:55,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:55,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:55,263 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:55,263 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-07-10 19:05:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 200 transitions. [2020-07-10 19:05:55,268 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 200 transitions. Word has length 89 [2020-07-10 19:05:55,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:55,269 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 200 transitions. [2020-07-10 19:05:55,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-10 19:05:55,269 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 183 states and 200 transitions. [2020-07-10 19:05:55,610 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 200 edges. 200 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 200 transitions. [2020-07-10 19:05:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-10 19:05:55,611 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:55,612 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:55,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-10 19:05:55,612 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:55,612 INFO L82 PathProgramCache]: Analyzing trace with hash 263120297, now seen corresponding path program 1 times [2020-07-10 19:05:55,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:55,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81260477] [2020-07-10 19:05:55,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:55,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-10 19:05:55,681 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:277) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-10 19:05:55,689 INFO L168 Benchmark]: Toolchain (without parser) took 37100.49 ms. Allocated memory was 141.0 MB in the beginning and 591.9 MB in the end (delta: 450.9 MB). Free memory was 95.9 MB in the beginning and 436.9 MB in the end (delta: -341.0 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:55,694 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 116.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 19:05:55,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.72 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 95.9 MB in the beginning and 161.8 MB in the end (delta: -65.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:55,696 INFO L168 Benchmark]: Boogie Preprocessor took 75.33 ms. Allocated memory is still 198.7 MB. Free memory was 161.8 MB in the beginning and 158.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:55,697 INFO L168 Benchmark]: RCFGBuilder took 981.94 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 78.3 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:55,697 INFO L168 Benchmark]: TraceAbstraction took 35381.37 ms. Allocated memory was 198.7 MB in the beginning and 591.9 MB in the end (delta: 393.2 MB). Free memory was 78.3 MB in the beginning and 436.9 MB in the end (delta: -358.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:55,704 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 116.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.72 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 95.9 MB in the beginning and 161.8 MB in the end (delta: -65.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.33 ms. Allocated memory is still 198.7 MB. Free memory was 161.8 MB in the beginning and 158.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 981.94 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 78.3 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35381.37 ms. Allocated memory was 198.7 MB in the beginning and 591.9 MB in the end (delta: 393.2 MB). Free memory was 78.3 MB in the beginning and 436.9 MB in the end (delta: -358.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...