/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 0.1.25-46f3038-m [2020-07-08 16:26:28,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 16:26:28,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 16:26:28,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 16:26:28,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 16:26:28,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 16:26:28,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 16:26:28,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 16:26:28,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 16:26:28,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 16:26:28,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 16:26:28,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 16:26:28,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 16:26:28,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 16:26:28,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 16:26:28,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 16:26:28,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 16:26:28,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 16:26:28,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 16:26:28,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 16:26:28,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 16:26:28,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 16:26:28,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 16:26:28,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 16:26:28,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 16:26:28,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 16:26:28,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 16:26:28,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 16:26:28,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 16:26:28,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 16:26:28,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 16:26:28,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 16:26:28,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 16:26:28,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 16:26:28,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 16:26:28,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 16:26:28,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 16:26:28,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 16:26:28,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 16:26:28,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 16:26:28,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 16:26:28,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 16:26:28,627 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 16:26:28,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 16:26:28,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 16:26:28,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 16:26:28,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 16:26:28,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 16:26:28,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 16:26:28,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 16:26:28,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 16:26:28,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 16:26:28,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 16:26:28,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 16:26:28,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 16:26:28,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 16:26:28,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 16:26:28,631 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 16:26:28,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 16:26:28,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 16:26:28,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:26:28,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 16:26:28,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 16:26:28,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 16:26:28,633 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 16:26:28,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 16:26:28,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 16:26:28,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 16:26:28,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 16:26:28,926 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 16:26:28,926 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2020-07-08 16:26:29,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1319c6cc3/27a9c8de4f4848e1bd27689d2c4bc173/FLAG10edc7c30 [2020-07-08 16:26:29,537 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 16:26:29,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2020-07-08 16:26:29,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1319c6cc3/27a9c8de4f4848e1bd27689d2c4bc173/FLAG10edc7c30 [2020-07-08 16:26:29,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1319c6cc3/27a9c8de4f4848e1bd27689d2c4bc173 [2020-07-08 16:26:29,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 16:26:29,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 16:26:29,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 16:26:29,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 16:26:29,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 16:26:29,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:26:29" (1/1) ... [2020-07-08 16:26:29,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59556964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:29, skipping insertion in model container [2020-07-08 16:26:29,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:26:29" (1/1) ... [2020-07-08 16:26:29,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 16:26:29,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 16:26:30,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:26:30,419 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 16:26:30,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:26:30,553 INFO L208 MainTranslator]: Completed translation [2020-07-08 16:26:30,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30 WrapperNode [2020-07-08 16:26:30,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 16:26:30,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 16:26:30,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 16:26:30,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 16:26:30,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... [2020-07-08 16:26:30,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 16:26:30,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 16:26:30,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 16:26:30,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 16:26:30,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:26:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 16:26:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 16:26:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-08 16:26:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-08 16:26:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-08 16:26:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-08 16:26:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2020-07-08 16:26:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-08 16:26:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2020-07-08 16:26:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2020-07-08 16:26:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 16:26:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 16:26:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 16:26:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-08 16:26:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-08 16:26:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-08 16:26:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-08 16:26:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-08 16:26:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-08 16:26:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-08 16:26:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-08 16:26:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-08 16:26:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-08 16:26:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-08 16:26:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-08 16:26:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-08 16:26:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-08 16:26:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-08 16:26:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-08 16:26:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-08 16:26:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-08 16:26:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-08 16:26:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-08 16:26:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-08 16:26:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-08 16:26:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-08 16:26:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-08 16:26:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-08 16:26:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-08 16:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-08 16:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-08 16:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-08 16:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-08 16:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-08 16:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-08 16:26:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-08 16:26:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-08 16:26:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-08 16:26:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-08 16:26:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-08 16:26:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 16:26:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-08 16:26:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-08 16:26:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-08 16:26:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-08 16:26:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-08 16:26:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-08 16:26:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-08 16:26:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-08 16:26:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-08 16:26:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-08 16:26:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-08 16:26:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-08 16:26:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 16:26:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-08 16:26:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 16:26:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2020-07-08 16:26:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2020-07-08 16:26:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 16:26:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 16:26:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-08 16:26:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 16:26:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 16:26:31,051 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-08 16:26:31,521 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 16:26:31,522 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-08 16:26:31,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:26:31 BoogieIcfgContainer [2020-07-08 16:26:31,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 16:26:31,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 16:26:31,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 16:26:31,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 16:26:31,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 04:26:29" (1/3) ... [2020-07-08 16:26:31,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ade381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:26:31, skipping insertion in model container [2020-07-08 16:26:31,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:26:30" (2/3) ... [2020-07-08 16:26:31,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ade381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:26:31, skipping insertion in model container [2020-07-08 16:26:31,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:26:31" (3/3) ... [2020-07-08 16:26:31,535 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2020-07-08 16:26:31,545 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 16:26:31,553 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 16:26:31,566 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 16:26:31,586 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 16:26:31,586 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 16:26:31,587 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 16:26:31,587 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 16:26:31,587 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 16:26:31,587 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 16:26:31,588 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 16:26:31,588 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 16:26:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-07-08 16:26:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-08 16:26:31,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:26:31,621 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] [2020-07-08 16:26:31,622 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:26:31,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:26:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash 422432984, now seen corresponding path program 1 times [2020-07-08 16:26:31,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:26:31,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823135266] [2020-07-08 16:26:31,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:26:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:31,879 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 [2020-07-08 16:26:31,880 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} #valid := #valid[0 := 0]; {145#true} is VALID [2020-07-08 16:26:31,880 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume 0 < #StackHeapBarrier; {145#true} is VALID [2020-07-08 16:26:31,881 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-08 16:26:31,881 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {145#true} {145#true} #259#return; {145#true} is VALID [2020-07-08 16:26:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:31,893 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-08 16:26:31,893 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-08 16:26:31,893 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-08 16:26:31,895 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-08 16:26:31,895 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-08 16:26:31,895 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-08 16:26:31,896 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {146#false} {145#true} #243#return; {146#false} is VALID [2020-07-08 16:26:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:31,923 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 [2020-07-08 16:26:31,924 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~head~0.base, ~head~0.offset := 0, 0; {145#true} is VALID [2020-07-08 16:26:31,924 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-08 16:26:31,925 INFO L280 TraceCheckUtils]: 3: Hoare triple {146#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {146#false} is VALID [2020-07-08 16:26:31,925 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-08 16:26:31,926 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {146#false} {146#false} #245#return; {146#false} is VALID [2020-07-08 16:26:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:31,935 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-08 16:26:31,936 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-08 16:26:31,936 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-08 16:26:31,941 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-08 16:26:31,941 INFO L280 TraceCheckUtils]: 4: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-08 16:26:31,941 INFO L280 TraceCheckUtils]: 5: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-08 16:26:31,942 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {146#false} {146#false} #247#return; {146#false} is VALID [2020-07-08 16:26:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:31,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {145#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {145#true} is VALID [2020-07-08 16:26:31,955 INFO L280 TraceCheckUtils]: 1: Hoare triple {145#true} ~len~0 := 0; {145#true} is VALID [2020-07-08 16:26:31,955 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} assume !(~head.base != 0 || ~head.offset != 0); {145#true} is VALID [2020-07-08 16:26:31,956 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} #res := ~len~0; {145#true} is VALID [2020-07-08 16:26:31,956 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-08 16:26:31,956 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {145#true} {146#false} #253#return; {146#false} is VALID [2020-07-08 16:26:31,958 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 [2020-07-08 16:26:31,959 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 [2020-07-08 16:26:31,959 INFO L280 TraceCheckUtils]: 2: Hoare triple {145#true} #valid := #valid[0 := 0]; {145#true} is VALID [2020-07-08 16:26:31,959 INFO L280 TraceCheckUtils]: 3: Hoare triple {145#true} assume 0 < #StackHeapBarrier; {145#true} is VALID [2020-07-08 16:26:31,960 INFO L280 TraceCheckUtils]: 4: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-08 16:26:31,960 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {145#true} {145#true} #259#return; {145#true} is VALID [2020-07-08 16:26:31,960 INFO L263 TraceCheckUtils]: 6: Hoare triple {145#true} call #t~ret24 := main(); {145#true} is VALID [2020-07-08 16:26:31,961 INFO L263 TraceCheckUtils]: 7: Hoare triple {145#true} call #t~ret14 := _get_nondet_int(2, 5); {145#true} is VALID [2020-07-08 16:26:31,961 INFO L280 TraceCheckUtils]: 8: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-08 16:26:31,961 INFO L280 TraceCheckUtils]: 9: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-08 16:26:31,962 INFO L280 TraceCheckUtils]: 10: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-08 16:26:31,964 INFO L280 TraceCheckUtils]: 11: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-08 16:26:31,964 INFO L280 TraceCheckUtils]: 12: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-08 16:26:31,965 INFO L280 TraceCheckUtils]: 13: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-08 16:26:31,965 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {146#false} {145#true} #243#return; {146#false} is VALID [2020-07-08 16:26:31,965 INFO L280 TraceCheckUtils]: 15: Hoare triple {146#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {146#false} is VALID [2020-07-08 16:26:31,966 INFO L280 TraceCheckUtils]: 16: Hoare triple {146#false} ~len~2 := #t~ret14; {146#false} is VALID [2020-07-08 16:26:31,966 INFO L280 TraceCheckUtils]: 17: Hoare triple {146#false} havoc #t~ret14; {146#false} is VALID [2020-07-08 16:26:31,968 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 [2020-07-08 16:26:31,969 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$.offset)|))} is VALID [2020-07-08 16:26:31,971 INFO L280 TraceCheckUtils]: 20: Hoare triple {179#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {145#true} is VALID [2020-07-08 16:26:31,972 INFO L280 TraceCheckUtils]: 21: Hoare triple {145#true} ~head~0.base, ~head~0.offset := 0, 0; {145#true} is VALID [2020-07-08 16:26:31,973 INFO L280 TraceCheckUtils]: 22: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-08 16:26:31,974 INFO L280 TraceCheckUtils]: 23: Hoare triple {146#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {146#false} is VALID [2020-07-08 16:26:31,974 INFO L280 TraceCheckUtils]: 24: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-08 16:26:31,974 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {146#false} {146#false} #245#return; {146#false} is VALID [2020-07-08 16:26:31,975 INFO L280 TraceCheckUtils]: 26: Hoare triple {146#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {146#false} is VALID [2020-07-08 16:26:31,975 INFO L280 TraceCheckUtils]: 27: Hoare triple {146#false} havoc #t~ret15.base, #t~ret15.offset; {146#false} is VALID [2020-07-08 16:26:31,975 INFO L263 TraceCheckUtils]: 28: Hoare triple {146#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {145#true} is VALID [2020-07-08 16:26:31,976 INFO L280 TraceCheckUtils]: 29: Hoare triple {145#true} ~from := #in~from; {145#true} is VALID [2020-07-08 16:26:31,976 INFO L280 TraceCheckUtils]: 30: Hoare triple {145#true} ~until := #in~until; {145#true} is VALID [2020-07-08 16:26:31,976 INFO L280 TraceCheckUtils]: 31: Hoare triple {145#true} ~len~1 := ~from; {145#true} is VALID [2020-07-08 16:26:31,978 INFO L280 TraceCheckUtils]: 32: Hoare triple {145#true} assume !true; {146#false} is VALID [2020-07-08 16:26:31,978 INFO L280 TraceCheckUtils]: 33: Hoare triple {146#false} #res := ~len~1; {146#false} is VALID [2020-07-08 16:26:31,979 INFO L280 TraceCheckUtils]: 34: Hoare triple {146#false} assume true; {146#false} is VALID [2020-07-08 16:26:31,979 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {146#false} {146#false} #247#return; {146#false} is VALID [2020-07-08 16:26:31,979 INFO L280 TraceCheckUtils]: 36: Hoare triple {146#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {146#false} is VALID [2020-07-08 16:26:31,980 INFO L280 TraceCheckUtils]: 37: Hoare triple {146#false} ~k~0 := #t~ret16; {146#false} is VALID [2020-07-08 16:26:31,980 INFO L280 TraceCheckUtils]: 38: Hoare triple {146#false} havoc #t~ret16; {146#false} is VALID [2020-07-08 16:26:31,980 INFO L280 TraceCheckUtils]: 39: Hoare triple {146#false} ~i~0 := 0; {146#false} is VALID [2020-07-08 16:26:31,980 INFO L280 TraceCheckUtils]: 40: Hoare triple {146#false} assume !true; {146#false} is VALID [2020-07-08 16:26:31,981 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 [2020-07-08 16:26:31,981 INFO L263 TraceCheckUtils]: 42: Hoare triple {146#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {145#true} is VALID [2020-07-08 16:26:31,981 INFO L280 TraceCheckUtils]: 43: Hoare triple {145#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {145#true} is VALID [2020-07-08 16:26:31,982 INFO L280 TraceCheckUtils]: 44: Hoare triple {145#true} ~len~0 := 0; {145#true} is VALID [2020-07-08 16:26:31,982 INFO L280 TraceCheckUtils]: 45: Hoare triple {145#true} assume !(~head.base != 0 || ~head.offset != 0); {145#true} is VALID [2020-07-08 16:26:31,982 INFO L280 TraceCheckUtils]: 46: Hoare triple {145#true} #res := ~len~0; {145#true} is VALID [2020-07-08 16:26:31,983 INFO L280 TraceCheckUtils]: 47: Hoare triple {145#true} assume true; {145#true} is VALID [2020-07-08 16:26:31,983 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {145#true} {146#false} #253#return; {146#false} is VALID [2020-07-08 16:26:31,983 INFO L280 TraceCheckUtils]: 49: Hoare triple {146#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {146#false} is VALID [2020-07-08 16:26:31,984 INFO L280 TraceCheckUtils]: 50: Hoare triple {146#false} assume ~k~0 + ~len~2 != #t~ret22; {146#false} is VALID [2020-07-08 16:26:31,984 INFO L280 TraceCheckUtils]: 51: Hoare triple {146#false} havoc #t~ret22; {146#false} is VALID [2020-07-08 16:26:31,984 INFO L280 TraceCheckUtils]: 52: Hoare triple {146#false} havoc #t~mem21.base, #t~mem21.offset; {146#false} is VALID [2020-07-08 16:26:31,985 INFO L280 TraceCheckUtils]: 53: Hoare triple {146#false} assume !false; {146#false} is VALID [2020-07-08 16:26:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-08 16:26:31,993 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:26:31,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823135266] [2020-07-08 16:26:31,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:26:31,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 16:26:31,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16747353] [2020-07-08 16:26:32,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-07-08 16:26:32,007 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:26:32,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 16:26:32,087 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:32,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 16:26:32,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:26:32,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 16:26:32,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 16:26:32,100 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 4 states. [2020-07-08 16:26:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:33,198 INFO L93 Difference]: Finished difference Result 289 states and 337 transitions. [2020-07-08 16:26:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 16:26:33,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-07-08 16:26:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:26:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 16:26:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2020-07-08 16:26:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 16:26:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 337 transitions. [2020-07-08 16:26:33,229 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 337 transitions. [2020-07-08 16:26:33,633 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 337 edges. 337 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:33,664 INFO L225 Difference]: With dead ends: 289 [2020-07-08 16:26:33,664 INFO L226 Difference]: Without dead ends: 123 [2020-07-08 16:26:33,670 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 [2020-07-08 16:26:33,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-08 16:26:33,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2020-07-08 16:26:33,828 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:26:33,828 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 114 states. [2020-07-08 16:26:33,829 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 114 states. [2020-07-08 16:26:33,829 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 114 states. [2020-07-08 16:26:33,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:33,839 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-08 16:26:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-07-08 16:26:33,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:33,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:33,842 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand 123 states. [2020-07-08 16:26:33,842 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 123 states. [2020-07-08 16:26:33,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:33,850 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-08 16:26:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-07-08 16:26:33,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:33,852 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:33,852 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:26:33,852 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:26:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-08 16:26:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2020-07-08 16:26:33,860 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 54 [2020-07-08 16:26:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:26:33,860 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2020-07-08 16:26:33,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 16:26:33,861 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 114 states and 123 transitions. [2020-07-08 16:26:34,011 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2020-07-08 16:26:34,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-08 16:26:34,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:26:34,019 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] [2020-07-08 16:26:34,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 16:26:34,020 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:26:34,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:26:34,020 INFO L82 PathProgramCache]: Analyzing trace with hash 333013349, now seen corresponding path program 1 times [2020-07-08 16:26:34,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:26:34,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000025610] [2020-07-08 16:26:34,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:26:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:34,169 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 [2020-07-08 16:26:34,169 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} #valid := #valid[0 := 0]; {1237#true} is VALID [2020-07-08 16:26:34,170 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} assume 0 < #StackHeapBarrier; {1237#true} is VALID [2020-07-08 16:26:34,170 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,170 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1237#true} {1237#true} #259#return; {1237#true} is VALID [2020-07-08 16:26:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:34,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~from := #in~from; {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:34,481 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 [2020-07-08 16:26:34,482 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 [2020-07-08 16:26:34,483 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 |_get_nondet_int_#t~short12| (and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))))} is VALID [2020-07-08 16:26:34,485 INFO L280 TraceCheckUtils]: 4: Hoare triple {1285#(or |_get_nondet_int_#t~short12| (and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))))} assume !#t~short12; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,486 INFO L280 TraceCheckUtils]: 5: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,488 INFO L280 TraceCheckUtils]: 6: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,489 INFO L280 TraceCheckUtils]: 7: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~short12; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,490 INFO L280 TraceCheckUtils]: 8: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #res := ~len~1; {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,491 INFO L280 TraceCheckUtils]: 9: Hoare triple {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,493 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1237#true} #243#return; {1238#false} is VALID [2020-07-08 16:26:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:34,526 INFO L280 TraceCheckUtils]: 0: Hoare triple {1288#(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 [2020-07-08 16:26:34,526 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~head~0.base, ~head~0.offset := 0, 0; {1237#true} is VALID [2020-07-08 16:26:34,527 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} #t~post2 := ~len; {1237#true} is VALID [2020-07-08 16:26:34,527 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} ~len := #t~post2 - 1; {1237#true} is VALID [2020-07-08 16:26:34,527 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume !(#t~post2 > 0); {1237#true} is VALID [2020-07-08 16:26:34,528 INFO L280 TraceCheckUtils]: 5: Hoare triple {1237#true} havoc #t~post2; {1237#true} is VALID [2020-07-08 16:26:34,528 INFO L280 TraceCheckUtils]: 6: Hoare triple {1237#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1237#true} is VALID [2020-07-08 16:26:34,528 INFO L280 TraceCheckUtils]: 7: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,529 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1237#true} {1238#false} #245#return; {1238#false} is VALID [2020-07-08 16:26:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:34,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~from := #in~from; {1237#true} is VALID [2020-07-08 16:26:34,539 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~until := #in~until; {1237#true} is VALID [2020-07-08 16:26:34,539 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} ~len~1 := ~from; {1237#true} is VALID [2020-07-08 16:26:34,540 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} #t~short12 := ~len~1 < ~until; {1237#true} is VALID [2020-07-08 16:26:34,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-08 16:26:34,540 INFO L280 TraceCheckUtils]: 5: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-08 16:26:34,540 INFO L280 TraceCheckUtils]: 6: Hoare triple {1237#true} havoc #t~nondet11; {1237#true} is VALID [2020-07-08 16:26:34,541 INFO L280 TraceCheckUtils]: 7: Hoare triple {1237#true} havoc #t~short12; {1237#true} is VALID [2020-07-08 16:26:34,541 INFO L280 TraceCheckUtils]: 8: Hoare triple {1237#true} #res := ~len~1; {1237#true} is VALID [2020-07-08 16:26:34,541 INFO L280 TraceCheckUtils]: 9: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,541 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1237#true} {1238#false} #247#return; {1238#false} is VALID [2020-07-08 16:26:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:34,551 INFO L280 TraceCheckUtils]: 0: Hoare triple {1237#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1237#true} is VALID [2020-07-08 16:26:34,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {1237#true} ~len~0 := 0; {1237#true} is VALID [2020-07-08 16:26:34,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} assume !(~head.base != 0 || ~head.offset != 0); {1237#true} is VALID [2020-07-08 16:26:34,552 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} #res := ~len~0; {1237#true} is VALID [2020-07-08 16:26:34,552 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,553 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1237#true} {1238#false} #253#return; {1238#false} is VALID [2020-07-08 16:26:34,554 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 [2020-07-08 16:26:34,554 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 [2020-07-08 16:26:34,554 INFO L280 TraceCheckUtils]: 2: Hoare triple {1237#true} #valid := #valid[0 := 0]; {1237#true} is VALID [2020-07-08 16:26:34,554 INFO L280 TraceCheckUtils]: 3: Hoare triple {1237#true} assume 0 < #StackHeapBarrier; {1237#true} is VALID [2020-07-08 16:26:34,555 INFO L280 TraceCheckUtils]: 4: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,555 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1237#true} {1237#true} #259#return; {1237#true} is VALID [2020-07-08 16:26:34,555 INFO L263 TraceCheckUtils]: 6: Hoare triple {1237#true} call #t~ret24 := main(); {1237#true} is VALID [2020-07-08 16:26:34,555 INFO L263 TraceCheckUtils]: 7: Hoare triple {1237#true} call #t~ret14 := _get_nondet_int(2, 5); {1237#true} is VALID [2020-07-08 16:26:34,556 INFO L280 TraceCheckUtils]: 8: Hoare triple {1237#true} ~from := #in~from; {1282#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:34,557 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 [2020-07-08 16:26:34,558 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 [2020-07-08 16:26:34,559 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 |_get_nondet_int_#t~short12| (and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))))} is VALID [2020-07-08 16:26:34,560 INFO L280 TraceCheckUtils]: 12: Hoare triple {1285#(or |_get_nondet_int_#t~short12| (and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))))} assume !#t~short12; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,561 INFO L280 TraceCheckUtils]: 13: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} assume !#t~short12; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,562 INFO L280 TraceCheckUtils]: 14: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,562 INFO L280 TraceCheckUtils]: 15: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} havoc #t~short12; {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,563 INFO L280 TraceCheckUtils]: 16: Hoare triple {1286#(and (or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 _get_nondet_int_~len~1))) (or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|)))} #res := ~len~1; {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,564 INFO L280 TraceCheckUtils]: 17: Hoare triple {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:34,565 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1287#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1237#true} #243#return; {1238#false} is VALID [2020-07-08 16:26:34,565 INFO L280 TraceCheckUtils]: 19: Hoare triple {1238#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {1238#false} is VALID [2020-07-08 16:26:34,565 INFO L280 TraceCheckUtils]: 20: Hoare triple {1238#false} ~len~2 := #t~ret14; {1238#false} is VALID [2020-07-08 16:26:34,566 INFO L280 TraceCheckUtils]: 21: Hoare triple {1238#false} havoc #t~ret14; {1238#false} is VALID [2020-07-08 16:26:34,566 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 [2020-07-08 16:26:34,566 INFO L263 TraceCheckUtils]: 23: Hoare triple {1238#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {1288#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:26:34,567 INFO L280 TraceCheckUtils]: 24: Hoare triple {1288#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {1237#true} is VALID [2020-07-08 16:26:34,567 INFO L280 TraceCheckUtils]: 25: Hoare triple {1237#true} ~head~0.base, ~head~0.offset := 0, 0; {1237#true} is VALID [2020-07-08 16:26:34,567 INFO L280 TraceCheckUtils]: 26: Hoare triple {1237#true} #t~post2 := ~len; {1237#true} is VALID [2020-07-08 16:26:34,567 INFO L280 TraceCheckUtils]: 27: Hoare triple {1237#true} ~len := #t~post2 - 1; {1237#true} is VALID [2020-07-08 16:26:34,568 INFO L280 TraceCheckUtils]: 28: Hoare triple {1237#true} assume !(#t~post2 > 0); {1237#true} is VALID [2020-07-08 16:26:34,568 INFO L280 TraceCheckUtils]: 29: Hoare triple {1237#true} havoc #t~post2; {1237#true} is VALID [2020-07-08 16:26:34,568 INFO L280 TraceCheckUtils]: 30: Hoare triple {1237#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1237#true} is VALID [2020-07-08 16:26:34,569 INFO L280 TraceCheckUtils]: 31: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,569 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1237#true} {1238#false} #245#return; {1238#false} is VALID [2020-07-08 16:26:34,569 INFO L280 TraceCheckUtils]: 33: Hoare triple {1238#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {1238#false} is VALID [2020-07-08 16:26:34,569 INFO L280 TraceCheckUtils]: 34: Hoare triple {1238#false} havoc #t~ret15.base, #t~ret15.offset; {1238#false} is VALID [2020-07-08 16:26:34,570 INFO L263 TraceCheckUtils]: 35: Hoare triple {1238#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {1237#true} is VALID [2020-07-08 16:26:34,570 INFO L280 TraceCheckUtils]: 36: Hoare triple {1237#true} ~from := #in~from; {1237#true} is VALID [2020-07-08 16:26:34,570 INFO L280 TraceCheckUtils]: 37: Hoare triple {1237#true} ~until := #in~until; {1237#true} is VALID [2020-07-08 16:26:34,571 INFO L280 TraceCheckUtils]: 38: Hoare triple {1237#true} ~len~1 := ~from; {1237#true} is VALID [2020-07-08 16:26:34,571 INFO L280 TraceCheckUtils]: 39: Hoare triple {1237#true} #t~short12 := ~len~1 < ~until; {1237#true} is VALID [2020-07-08 16:26:34,571 INFO L280 TraceCheckUtils]: 40: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-08 16:26:34,571 INFO L280 TraceCheckUtils]: 41: Hoare triple {1237#true} assume !#t~short12; {1237#true} is VALID [2020-07-08 16:26:34,572 INFO L280 TraceCheckUtils]: 42: Hoare triple {1237#true} havoc #t~nondet11; {1237#true} is VALID [2020-07-08 16:26:34,572 INFO L280 TraceCheckUtils]: 43: Hoare triple {1237#true} havoc #t~short12; {1237#true} is VALID [2020-07-08 16:26:34,572 INFO L280 TraceCheckUtils]: 44: Hoare triple {1237#true} #res := ~len~1; {1237#true} is VALID [2020-07-08 16:26:34,573 INFO L280 TraceCheckUtils]: 45: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,573 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1237#true} {1238#false} #247#return; {1238#false} is VALID [2020-07-08 16:26:34,573 INFO L280 TraceCheckUtils]: 47: Hoare triple {1238#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {1238#false} is VALID [2020-07-08 16:26:34,574 INFO L280 TraceCheckUtils]: 48: Hoare triple {1238#false} ~k~0 := #t~ret16; {1238#false} is VALID [2020-07-08 16:26:34,574 INFO L280 TraceCheckUtils]: 49: Hoare triple {1238#false} havoc #t~ret16; {1238#false} is VALID [2020-07-08 16:26:34,574 INFO L280 TraceCheckUtils]: 50: Hoare triple {1238#false} ~i~0 := 0; {1238#false} is VALID [2020-07-08 16:26:34,574 INFO L280 TraceCheckUtils]: 51: Hoare triple {1238#false} #t~short18 := ~i~0 < ~k~0; {1238#false} is VALID [2020-07-08 16:26:34,575 INFO L280 TraceCheckUtils]: 52: Hoare triple {1238#false} assume !#t~short18; {1238#false} is VALID [2020-07-08 16:26:34,575 INFO L280 TraceCheckUtils]: 53: Hoare triple {1238#false} assume !#t~short18; {1238#false} is VALID [2020-07-08 16:26:34,575 INFO L280 TraceCheckUtils]: 54: Hoare triple {1238#false} havoc #t~short18; {1238#false} is VALID [2020-07-08 16:26:34,575 INFO L280 TraceCheckUtils]: 55: Hoare triple {1238#false} havoc #t~nondet17; {1238#false} is VALID [2020-07-08 16:26:34,576 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 [2020-07-08 16:26:34,576 INFO L263 TraceCheckUtils]: 57: Hoare triple {1238#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {1237#true} is VALID [2020-07-08 16:26:34,576 INFO L280 TraceCheckUtils]: 58: Hoare triple {1237#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {1237#true} is VALID [2020-07-08 16:26:34,576 INFO L280 TraceCheckUtils]: 59: Hoare triple {1237#true} ~len~0 := 0; {1237#true} is VALID [2020-07-08 16:26:34,577 INFO L280 TraceCheckUtils]: 60: Hoare triple {1237#true} assume !(~head.base != 0 || ~head.offset != 0); {1237#true} is VALID [2020-07-08 16:26:34,577 INFO L280 TraceCheckUtils]: 61: Hoare triple {1237#true} #res := ~len~0; {1237#true} is VALID [2020-07-08 16:26:34,577 INFO L280 TraceCheckUtils]: 62: Hoare triple {1237#true} assume true; {1237#true} is VALID [2020-07-08 16:26:34,577 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {1237#true} {1238#false} #253#return; {1238#false} is VALID [2020-07-08 16:26:34,578 INFO L280 TraceCheckUtils]: 64: Hoare triple {1238#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {1238#false} is VALID [2020-07-08 16:26:34,578 INFO L280 TraceCheckUtils]: 65: Hoare triple {1238#false} assume ~k~0 + ~len~2 != #t~ret22; {1238#false} is VALID [2020-07-08 16:26:34,578 INFO L280 TraceCheckUtils]: 66: Hoare triple {1238#false} havoc #t~ret22; {1238#false} is VALID [2020-07-08 16:26:34,578 INFO L280 TraceCheckUtils]: 67: Hoare triple {1238#false} havoc #t~mem21.base, #t~mem21.offset; {1238#false} is VALID [2020-07-08 16:26:34,579 INFO L280 TraceCheckUtils]: 68: Hoare triple {1238#false} assume !false; {1238#false} is VALID [2020-07-08 16:26:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 16:26:34,586 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:26:34,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000025610] [2020-07-08 16:26:34,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:26:34,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-08 16:26:34,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925748730] [2020-07-08 16:26:34,588 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-07-08 16:26:34,589 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:26:34,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 16:26:34,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:34,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 16:26:34,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:26:34,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 16:26:34,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-08 16:26:34,665 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 10 states. [2020-07-08 16:26:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:37,262 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2020-07-08 16:26:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-08 16:26:37,262 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-07-08 16:26:37,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:26:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:26:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 301 transitions. [2020-07-08 16:26:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 16:26:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 301 transitions. [2020-07-08 16:26:37,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 301 transitions. [2020-07-08 16:26:37,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 301 edges. 301 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:37,705 INFO L225 Difference]: With dead ends: 275 [2020-07-08 16:26:37,706 INFO L226 Difference]: Without dead ends: 169 [2020-07-08 16:26:37,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2020-07-08 16:26:37,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-08 16:26:37,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 134. [2020-07-08 16:26:37,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:26:37,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 134 states. [2020-07-08 16:26:37,998 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 134 states. [2020-07-08 16:26:37,998 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 134 states. [2020-07-08 16:26:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:38,012 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2020-07-08 16:26:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2020-07-08 16:26:38,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:38,014 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:38,014 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand 169 states. [2020-07-08 16:26:38,014 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 169 states. [2020-07-08 16:26:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:38,028 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2020-07-08 16:26:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 185 transitions. [2020-07-08 16:26:38,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:38,029 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:38,029 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:26:38,030 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:26:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-08 16:26:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2020-07-08 16:26:38,038 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 69 [2020-07-08 16:26:38,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:26:38,039 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2020-07-08 16:26:38,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 16:26:38,039 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 134 states and 145 transitions. [2020-07-08 16:26:38,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2020-07-08 16:26:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-08 16:26:38,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:26:38,258 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] [2020-07-08 16:26:38,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 16:26:38,258 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:26:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:26:38,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1735568478, now seen corresponding path program 1 times [2020-07-08 16:26:38,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:26:38,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709350797] [2020-07-08 16:26:38,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:26:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:38,386 INFO L280 TraceCheckUtils]: 0: Hoare triple {2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2475#true} is VALID [2020-07-08 16:26:38,386 INFO L280 TraceCheckUtils]: 1: Hoare triple {2475#true} #valid := #valid[0 := 0]; {2475#true} is VALID [2020-07-08 16:26:38,386 INFO L280 TraceCheckUtils]: 2: Hoare triple {2475#true} assume 0 < #StackHeapBarrier; {2475#true} is VALID [2020-07-08 16:26:38,387 INFO L280 TraceCheckUtils]: 3: Hoare triple {2475#true} assume true; {2475#true} is VALID [2020-07-08 16:26:38,387 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2475#true} {2475#true} #259#return; {2475#true} is VALID [2020-07-08 16:26:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:38,457 INFO L280 TraceCheckUtils]: 0: Hoare triple {2475#true} ~from := #in~from; {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:38,458 INFO L280 TraceCheckUtils]: 1: Hoare triple {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:38,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,467 INFO L280 TraceCheckUtils]: 3: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,468 INFO L280 TraceCheckUtils]: 4: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,469 INFO L280 TraceCheckUtils]: 5: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,469 INFO L280 TraceCheckUtils]: 6: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,470 INFO L280 TraceCheckUtils]: 7: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,471 INFO L280 TraceCheckUtils]: 8: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,471 INFO L280 TraceCheckUtils]: 9: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:38,475 INFO L280 TraceCheckUtils]: 11: Hoare triple {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:38,478 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {2475#true} #243#return; {2495#(<= 2 |main_#t~ret14|)} is VALID [2020-07-08 16:26:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:38,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {2527#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2528#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:38,583 INFO L280 TraceCheckUtils]: 1: Hoare triple {2528#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {2528#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:38,584 INFO L280 TraceCheckUtils]: 2: Hoare triple {2528#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:38,585 INFO L280 TraceCheckUtils]: 3: Hoare triple {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:38,585 INFO L280 TraceCheckUtils]: 4: Hoare triple {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,586 INFO L280 TraceCheckUtils]: 5: Hoare triple {2530#(<= |sll_create_#in~len| 0)} havoc #t~post2; {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,587 INFO L280 TraceCheckUtils]: 6: Hoare triple {2530#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,588 INFO L280 TraceCheckUtils]: 7: Hoare triple {2530#(<= |sll_create_#in~len| 0)} assume true; {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,589 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2530#(<= |sll_create_#in~len| 0)} {2496#(<= 2 main_~len~2)} #245#return; {2476#false} is VALID [2020-07-08 16:26:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:38,600 INFO L280 TraceCheckUtils]: 0: Hoare triple {2475#true} ~from := #in~from; {2475#true} is VALID [2020-07-08 16:26:38,600 INFO L280 TraceCheckUtils]: 1: Hoare triple {2475#true} ~until := #in~until; {2475#true} is VALID [2020-07-08 16:26:38,600 INFO L280 TraceCheckUtils]: 2: Hoare triple {2475#true} ~len~1 := ~from; {2475#true} is VALID [2020-07-08 16:26:38,600 INFO L280 TraceCheckUtils]: 3: Hoare triple {2475#true} #t~short12 := ~len~1 < ~until; {2475#true} is VALID [2020-07-08 16:26:38,601 INFO L280 TraceCheckUtils]: 4: Hoare triple {2475#true} assume !#t~short12; {2475#true} is VALID [2020-07-08 16:26:38,601 INFO L280 TraceCheckUtils]: 5: Hoare triple {2475#true} assume !#t~short12; {2475#true} is VALID [2020-07-08 16:26:38,601 INFO L280 TraceCheckUtils]: 6: Hoare triple {2475#true} havoc #t~nondet11; {2475#true} is VALID [2020-07-08 16:26:38,601 INFO L280 TraceCheckUtils]: 7: Hoare triple {2475#true} havoc #t~short12; {2475#true} is VALID [2020-07-08 16:26:38,602 INFO L280 TraceCheckUtils]: 8: Hoare triple {2475#true} #res := ~len~1; {2475#true} is VALID [2020-07-08 16:26:38,602 INFO L280 TraceCheckUtils]: 9: Hoare triple {2475#true} assume true; {2475#true} is VALID [2020-07-08 16:26:38,602 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {2475#true} {2476#false} #247#return; {2476#false} is VALID [2020-07-08 16:26:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:38,611 INFO L280 TraceCheckUtils]: 0: Hoare triple {2475#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {2475#true} is VALID [2020-07-08 16:26:38,612 INFO L280 TraceCheckUtils]: 1: Hoare triple {2475#true} ~len~0 := 0; {2475#true} is VALID [2020-07-08 16:26:38,612 INFO L280 TraceCheckUtils]: 2: Hoare triple {2475#true} assume !(~head.base != 0 || ~head.offset != 0); {2475#true} is VALID [2020-07-08 16:26:38,612 INFO L280 TraceCheckUtils]: 3: Hoare triple {2475#true} #res := ~len~0; {2475#true} is VALID [2020-07-08 16:26:38,613 INFO L280 TraceCheckUtils]: 4: Hoare triple {2475#true} assume true; {2475#true} is VALID [2020-07-08 16:26:38,613 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2475#true} {2476#false} #253#return; {2476#false} is VALID [2020-07-08 16:26:38,614 INFO L263 TraceCheckUtils]: 0: Hoare triple {2475#true} call ULTIMATE.init(); {2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:26:38,614 INFO L280 TraceCheckUtils]: 1: Hoare triple {2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2475#true} is VALID [2020-07-08 16:26:38,614 INFO L280 TraceCheckUtils]: 2: Hoare triple {2475#true} #valid := #valid[0 := 0]; {2475#true} is VALID [2020-07-08 16:26:38,615 INFO L280 TraceCheckUtils]: 3: Hoare triple {2475#true} assume 0 < #StackHeapBarrier; {2475#true} is VALID [2020-07-08 16:26:38,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {2475#true} assume true; {2475#true} is VALID [2020-07-08 16:26:38,615 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2475#true} {2475#true} #259#return; {2475#true} is VALID [2020-07-08 16:26:38,615 INFO L263 TraceCheckUtils]: 6: Hoare triple {2475#true} call #t~ret24 := main(); {2475#true} is VALID [2020-07-08 16:26:38,616 INFO L263 TraceCheckUtils]: 7: Hoare triple {2475#true} call #t~ret14 := _get_nondet_int(2, 5); {2475#true} is VALID [2020-07-08 16:26:38,616 INFO L280 TraceCheckUtils]: 8: Hoare triple {2475#true} ~from := #in~from; {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:38,617 INFO L280 TraceCheckUtils]: 9: Hoare triple {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:38,618 INFO L280 TraceCheckUtils]: 10: Hoare triple {2524#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,618 INFO L280 TraceCheckUtils]: 11: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,619 INFO L280 TraceCheckUtils]: 12: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,619 INFO L280 TraceCheckUtils]: 13: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,620 INFO L280 TraceCheckUtils]: 14: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,621 INFO L280 TraceCheckUtils]: 15: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,621 INFO L280 TraceCheckUtils]: 16: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,622 INFO L280 TraceCheckUtils]: 17: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:38,623 INFO L280 TraceCheckUtils]: 18: Hoare triple {2525#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:38,623 INFO L280 TraceCheckUtils]: 19: Hoare triple {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:38,624 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2526#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {2475#true} #243#return; {2495#(<= 2 |main_#t~ret14|)} is VALID [2020-07-08 16:26:38,625 INFO L280 TraceCheckUtils]: 21: Hoare triple {2495#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {2495#(<= 2 |main_#t~ret14|)} is VALID [2020-07-08 16:26:38,626 INFO L280 TraceCheckUtils]: 22: Hoare triple {2495#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {2496#(<= 2 main_~len~2)} is VALID [2020-07-08 16:26:38,626 INFO L280 TraceCheckUtils]: 23: Hoare triple {2496#(<= 2 main_~len~2)} havoc #t~ret14; {2496#(<= 2 main_~len~2)} is VALID [2020-07-08 16:26:38,627 INFO L280 TraceCheckUtils]: 24: Hoare triple {2496#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {2496#(<= 2 main_~len~2)} is VALID [2020-07-08 16:26:38,628 INFO L263 TraceCheckUtils]: 25: Hoare triple {2496#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {2527#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:26:38,629 INFO L280 TraceCheckUtils]: 26: Hoare triple {2527#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {2528#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:38,629 INFO L280 TraceCheckUtils]: 27: Hoare triple {2528#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {2528#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:38,630 INFO L280 TraceCheckUtils]: 28: Hoare triple {2528#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:38,631 INFO L280 TraceCheckUtils]: 29: Hoare triple {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:38,631 INFO L280 TraceCheckUtils]: 30: Hoare triple {2529#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,632 INFO L280 TraceCheckUtils]: 31: Hoare triple {2530#(<= |sll_create_#in~len| 0)} havoc #t~post2; {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,633 INFO L280 TraceCheckUtils]: 32: Hoare triple {2530#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,633 INFO L280 TraceCheckUtils]: 33: Hoare triple {2530#(<= |sll_create_#in~len| 0)} assume true; {2530#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:38,634 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2530#(<= |sll_create_#in~len| 0)} {2496#(<= 2 main_~len~2)} #245#return; {2476#false} is VALID [2020-07-08 16:26:38,635 INFO L280 TraceCheckUtils]: 35: Hoare triple {2476#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {2476#false} is VALID [2020-07-08 16:26:38,635 INFO L280 TraceCheckUtils]: 36: Hoare triple {2476#false} havoc #t~ret15.base, #t~ret15.offset; {2476#false} is VALID [2020-07-08 16:26:38,635 INFO L263 TraceCheckUtils]: 37: Hoare triple {2476#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {2475#true} is VALID [2020-07-08 16:26:38,635 INFO L280 TraceCheckUtils]: 38: Hoare triple {2475#true} ~from := #in~from; {2475#true} is VALID [2020-07-08 16:26:38,636 INFO L280 TraceCheckUtils]: 39: Hoare triple {2475#true} ~until := #in~until; {2475#true} is VALID [2020-07-08 16:26:38,636 INFO L280 TraceCheckUtils]: 40: Hoare triple {2475#true} ~len~1 := ~from; {2475#true} is VALID [2020-07-08 16:26:38,636 INFO L280 TraceCheckUtils]: 41: Hoare triple {2475#true} #t~short12 := ~len~1 < ~until; {2475#true} is VALID [2020-07-08 16:26:38,636 INFO L280 TraceCheckUtils]: 42: Hoare triple {2475#true} assume !#t~short12; {2475#true} is VALID [2020-07-08 16:26:38,637 INFO L280 TraceCheckUtils]: 43: Hoare triple {2475#true} assume !#t~short12; {2475#true} is VALID [2020-07-08 16:26:38,637 INFO L280 TraceCheckUtils]: 44: Hoare triple {2475#true} havoc #t~nondet11; {2475#true} is VALID [2020-07-08 16:26:38,637 INFO L280 TraceCheckUtils]: 45: Hoare triple {2475#true} havoc #t~short12; {2475#true} is VALID [2020-07-08 16:26:38,637 INFO L280 TraceCheckUtils]: 46: Hoare triple {2475#true} #res := ~len~1; {2475#true} is VALID [2020-07-08 16:26:38,638 INFO L280 TraceCheckUtils]: 47: Hoare triple {2475#true} assume true; {2475#true} is VALID [2020-07-08 16:26:38,638 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2475#true} {2476#false} #247#return; {2476#false} is VALID [2020-07-08 16:26:38,638 INFO L280 TraceCheckUtils]: 49: Hoare triple {2476#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {2476#false} is VALID [2020-07-08 16:26:38,638 INFO L280 TraceCheckUtils]: 50: Hoare triple {2476#false} ~k~0 := #t~ret16; {2476#false} is VALID [2020-07-08 16:26:38,639 INFO L280 TraceCheckUtils]: 51: Hoare triple {2476#false} havoc #t~ret16; {2476#false} is VALID [2020-07-08 16:26:38,639 INFO L280 TraceCheckUtils]: 52: Hoare triple {2476#false} ~i~0 := 0; {2476#false} is VALID [2020-07-08 16:26:38,639 INFO L280 TraceCheckUtils]: 53: Hoare triple {2476#false} #t~short18 := ~i~0 < ~k~0; {2476#false} is VALID [2020-07-08 16:26:38,639 INFO L280 TraceCheckUtils]: 54: Hoare triple {2476#false} assume !#t~short18; {2476#false} is VALID [2020-07-08 16:26:38,640 INFO L280 TraceCheckUtils]: 55: Hoare triple {2476#false} assume !#t~short18; {2476#false} is VALID [2020-07-08 16:26:38,640 INFO L280 TraceCheckUtils]: 56: Hoare triple {2476#false} havoc #t~short18; {2476#false} is VALID [2020-07-08 16:26:38,640 INFO L280 TraceCheckUtils]: 57: Hoare triple {2476#false} havoc #t~nondet17; {2476#false} is VALID [2020-07-08 16:26:38,640 INFO L280 TraceCheckUtils]: 58: Hoare triple {2476#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {2476#false} is VALID [2020-07-08 16:26:38,641 INFO L263 TraceCheckUtils]: 59: Hoare triple {2476#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {2475#true} is VALID [2020-07-08 16:26:38,641 INFO L280 TraceCheckUtils]: 60: Hoare triple {2475#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {2475#true} is VALID [2020-07-08 16:26:38,641 INFO L280 TraceCheckUtils]: 61: Hoare triple {2475#true} ~len~0 := 0; {2475#true} is VALID [2020-07-08 16:26:38,641 INFO L280 TraceCheckUtils]: 62: Hoare triple {2475#true} assume !(~head.base != 0 || ~head.offset != 0); {2475#true} is VALID [2020-07-08 16:26:38,642 INFO L280 TraceCheckUtils]: 63: Hoare triple {2475#true} #res := ~len~0; {2475#true} is VALID [2020-07-08 16:26:38,642 INFO L280 TraceCheckUtils]: 64: Hoare triple {2475#true} assume true; {2475#true} is VALID [2020-07-08 16:26:38,642 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2475#true} {2476#false} #253#return; {2476#false} is VALID [2020-07-08 16:26:38,642 INFO L280 TraceCheckUtils]: 66: Hoare triple {2476#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {2476#false} is VALID [2020-07-08 16:26:38,643 INFO L280 TraceCheckUtils]: 67: Hoare triple {2476#false} assume ~k~0 + ~len~2 != #t~ret22; {2476#false} is VALID [2020-07-08 16:26:38,643 INFO L280 TraceCheckUtils]: 68: Hoare triple {2476#false} havoc #t~ret22; {2476#false} is VALID [2020-07-08 16:26:38,643 INFO L280 TraceCheckUtils]: 69: Hoare triple {2476#false} havoc #t~mem21.base, #t~mem21.offset; {2476#false} is VALID [2020-07-08 16:26:38,643 INFO L280 TraceCheckUtils]: 70: Hoare triple {2476#false} assume !false; {2476#false} is VALID [2020-07-08 16:26:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:26:38,650 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:26:38,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709350797] [2020-07-08 16:26:38,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:26:38,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-08 16:26:38,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988071736] [2020-07-08 16:26:38,652 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-07-08 16:26:38,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:26:38,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-08 16:26:38,719 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:38,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-08 16:26:38,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:26:38,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-08 16:26:38,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-07-08 16:26:38,721 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 12 states. [2020-07-08 16:26:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:42,196 INFO L93 Difference]: Finished difference Result 313 states and 348 transitions. [2020-07-08 16:26:42,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 16:26:42,196 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-07-08 16:26:42,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:26:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-08 16:26:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 322 transitions. [2020-07-08 16:26:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-08 16:26:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 322 transitions. [2020-07-08 16:26:42,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 322 transitions. [2020-07-08 16:26:42,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 322 edges. 322 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:42,629 INFO L225 Difference]: With dead ends: 313 [2020-07-08 16:26:42,629 INFO L226 Difference]: Without dead ends: 206 [2020-07-08 16:26:42,630 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 [2020-07-08 16:26:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-08 16:26:43,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 154. [2020-07-08 16:26:43,008 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:26:43,008 INFO L82 GeneralOperation]: Start isEquivalent. First operand 206 states. Second operand 154 states. [2020-07-08 16:26:43,008 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 154 states. [2020-07-08 16:26:43,008 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 154 states. [2020-07-08 16:26:43,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:43,020 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-07-08 16:26:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2020-07-08 16:26:43,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:43,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:43,022 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 206 states. [2020-07-08 16:26:43,022 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 206 states. [2020-07-08 16:26:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:43,031 INFO L93 Difference]: Finished difference Result 206 states and 229 transitions. [2020-07-08 16:26:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 229 transitions. [2020-07-08 16:26:43,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:43,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:43,033 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:26:43,033 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:26:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-08 16:26:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 167 transitions. [2020-07-08 16:26:43,039 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 167 transitions. Word has length 71 [2020-07-08 16:26:43,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:26:43,039 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 167 transitions. [2020-07-08 16:26:43,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-08 16:26:43,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 154 states and 167 transitions. [2020-07-08 16:26:43,299 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 167 transitions. [2020-07-08 16:26:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-08 16:26:43,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:26:43,302 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] [2020-07-08 16:26:43,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 16:26:43,302 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:26:43,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:26:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash -472966004, now seen corresponding path program 1 times [2020-07-08 16:26:43,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:26:43,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468529925] [2020-07-08 16:26:43,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:26:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:43,416 INFO L280 TraceCheckUtils]: 0: Hoare triple {3966#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3912#true} is VALID [2020-07-08 16:26:43,417 INFO L280 TraceCheckUtils]: 1: Hoare triple {3912#true} #valid := #valid[0 := 0]; {3912#true} is VALID [2020-07-08 16:26:43,417 INFO L280 TraceCheckUtils]: 2: Hoare triple {3912#true} assume 0 < #StackHeapBarrier; {3912#true} is VALID [2020-07-08 16:26:43,417 INFO L280 TraceCheckUtils]: 3: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,417 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3912#true} {3912#true} #259#return; {3912#true} is VALID [2020-07-08 16:26:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:43,697 INFO L280 TraceCheckUtils]: 0: Hoare triple {3912#true} ~from := #in~from; {3967#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:43,698 INFO L280 TraceCheckUtils]: 1: Hoare triple {3967#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {3968#(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 [2020-07-08 16:26:43,699 INFO L280 TraceCheckUtils]: 2: Hoare triple {3968#(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; {3969#(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 [2020-07-08 16:26:43,700 INFO L280 TraceCheckUtils]: 3: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,700 INFO L280 TraceCheckUtils]: 4: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,701 INFO L280 TraceCheckUtils]: 5: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,703 INFO L280 TraceCheckUtils]: 7: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,704 INFO L280 TraceCheckUtils]: 8: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,705 INFO L280 TraceCheckUtils]: 9: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,706 INFO L280 TraceCheckUtils]: 10: Hoare triple {3969#(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; {3970#(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 [2020-07-08 16:26:43,707 INFO L280 TraceCheckUtils]: 11: Hoare triple {3970#(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; {3971#(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 [2020-07-08 16:26:43,708 INFO L280 TraceCheckUtils]: 12: Hoare triple {3971#(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; {3971#(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 [2020-07-08 16:26:43,710 INFO L280 TraceCheckUtils]: 13: Hoare triple {3971#(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; {3972#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,711 INFO L280 TraceCheckUtils]: 14: Hoare triple {3972#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,712 INFO L280 TraceCheckUtils]: 15: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,712 INFO L280 TraceCheckUtils]: 16: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,713 INFO L280 TraceCheckUtils]: 17: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,714 INFO L280 TraceCheckUtils]: 18: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,715 INFO L280 TraceCheckUtils]: 19: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,716 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {3912#true} #243#return; {3913#false} is VALID [2020-07-08 16:26:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:43,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {3974#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3912#true} is VALID [2020-07-08 16:26:43,756 INFO L280 TraceCheckUtils]: 1: Hoare triple {3912#true} ~head~0.base, ~head~0.offset := 0, 0; {3912#true} is VALID [2020-07-08 16:26:43,756 INFO L280 TraceCheckUtils]: 2: Hoare triple {3912#true} #t~post2 := ~len; {3912#true} is VALID [2020-07-08 16:26:43,756 INFO L280 TraceCheckUtils]: 3: Hoare triple {3912#true} ~len := #t~post2 - 1; {3912#true} is VALID [2020-07-08 16:26:43,757 INFO L280 TraceCheckUtils]: 4: Hoare triple {3912#true} assume !(#t~post2 > 0); {3912#true} is VALID [2020-07-08 16:26:43,757 INFO L280 TraceCheckUtils]: 5: Hoare triple {3912#true} havoc #t~post2; {3912#true} is VALID [2020-07-08 16:26:43,757 INFO L280 TraceCheckUtils]: 6: Hoare triple {3912#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3912#true} is VALID [2020-07-08 16:26:43,757 INFO L280 TraceCheckUtils]: 7: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,758 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3912#true} {3913#false} #245#return; {3913#false} is VALID [2020-07-08 16:26:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:43,763 INFO L280 TraceCheckUtils]: 0: Hoare triple {3912#true} ~from := #in~from; {3912#true} is VALID [2020-07-08 16:26:43,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {3912#true} ~until := #in~until; {3912#true} is VALID [2020-07-08 16:26:43,764 INFO L280 TraceCheckUtils]: 2: Hoare triple {3912#true} ~len~1 := ~from; {3912#true} is VALID [2020-07-08 16:26:43,764 INFO L280 TraceCheckUtils]: 3: Hoare triple {3912#true} #t~short12 := ~len~1 < ~until; {3912#true} is VALID [2020-07-08 16:26:43,765 INFO L280 TraceCheckUtils]: 4: Hoare triple {3912#true} assume !#t~short12; {3912#true} is VALID [2020-07-08 16:26:43,765 INFO L280 TraceCheckUtils]: 5: Hoare triple {3912#true} assume !#t~short12; {3912#true} is VALID [2020-07-08 16:26:43,765 INFO L280 TraceCheckUtils]: 6: Hoare triple {3912#true} havoc #t~nondet11; {3912#true} is VALID [2020-07-08 16:26:43,766 INFO L280 TraceCheckUtils]: 7: Hoare triple {3912#true} havoc #t~short12; {3912#true} is VALID [2020-07-08 16:26:43,766 INFO L280 TraceCheckUtils]: 8: Hoare triple {3912#true} #res := ~len~1; {3912#true} is VALID [2020-07-08 16:26:43,767 INFO L280 TraceCheckUtils]: 9: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,767 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {3912#true} {3913#false} #247#return; {3913#false} is VALID [2020-07-08 16:26:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:43,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {3912#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {3912#true} is VALID [2020-07-08 16:26:43,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {3912#true} ~len~0 := 0; {3912#true} is VALID [2020-07-08 16:26:43,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {3912#true} assume !(~head.base != 0 || ~head.offset != 0); {3912#true} is VALID [2020-07-08 16:26:43,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {3912#true} #res := ~len~0; {3912#true} is VALID [2020-07-08 16:26:43,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,774 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3912#true} {3913#false} #253#return; {3913#false} is VALID [2020-07-08 16:26:43,775 INFO L263 TraceCheckUtils]: 0: Hoare triple {3912#true} call ULTIMATE.init(); {3966#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:26:43,775 INFO L280 TraceCheckUtils]: 1: Hoare triple {3966#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3912#true} is VALID [2020-07-08 16:26:43,776 INFO L280 TraceCheckUtils]: 2: Hoare triple {3912#true} #valid := #valid[0 := 0]; {3912#true} is VALID [2020-07-08 16:26:43,776 INFO L280 TraceCheckUtils]: 3: Hoare triple {3912#true} assume 0 < #StackHeapBarrier; {3912#true} is VALID [2020-07-08 16:26:43,776 INFO L280 TraceCheckUtils]: 4: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,776 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3912#true} {3912#true} #259#return; {3912#true} is VALID [2020-07-08 16:26:43,777 INFO L263 TraceCheckUtils]: 6: Hoare triple {3912#true} call #t~ret24 := main(); {3912#true} is VALID [2020-07-08 16:26:43,777 INFO L263 TraceCheckUtils]: 7: Hoare triple {3912#true} call #t~ret14 := _get_nondet_int(2, 5); {3912#true} is VALID [2020-07-08 16:26:43,777 INFO L280 TraceCheckUtils]: 8: Hoare triple {3912#true} ~from := #in~from; {3967#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:43,778 INFO L280 TraceCheckUtils]: 9: Hoare triple {3967#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {3968#(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 [2020-07-08 16:26:43,779 INFO L280 TraceCheckUtils]: 10: Hoare triple {3968#(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; {3969#(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 [2020-07-08 16:26:43,780 INFO L280 TraceCheckUtils]: 11: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,797 INFO L280 TraceCheckUtils]: 12: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,802 INFO L280 TraceCheckUtils]: 13: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,809 INFO L280 TraceCheckUtils]: 14: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,811 INFO L280 TraceCheckUtils]: 15: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,818 INFO L280 TraceCheckUtils]: 16: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,820 INFO L280 TraceCheckUtils]: 17: Hoare triple {3969#(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; {3969#(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 [2020-07-08 16:26:43,822 INFO L280 TraceCheckUtils]: 18: Hoare triple {3969#(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; {3970#(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 [2020-07-08 16:26:43,829 INFO L280 TraceCheckUtils]: 19: Hoare triple {3970#(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; {3971#(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 [2020-07-08 16:26:43,834 INFO L280 TraceCheckUtils]: 20: Hoare triple {3971#(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; {3971#(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 [2020-07-08 16:26:43,838 INFO L280 TraceCheckUtils]: 21: Hoare triple {3971#(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; {3972#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,840 INFO L280 TraceCheckUtils]: 22: Hoare triple {3972#(or (not (= 5 |_get_nondet_int_#in~until|)) |_get_nondet_int_#t~short12| (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,840 INFO L280 TraceCheckUtils]: 23: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,841 INFO L280 TraceCheckUtils]: 24: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,842 INFO L280 TraceCheckUtils]: 25: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,843 INFO L280 TraceCheckUtils]: 26: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,844 INFO L280 TraceCheckUtils]: 27: Hoare triple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:43,846 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3973#(or (not (= 5 |_get_nondet_int_#in~until|)) (not (= 2 |_get_nondet_int_#in~from|)))} {3912#true} #243#return; {3913#false} is VALID [2020-07-08 16:26:43,846 INFO L280 TraceCheckUtils]: 29: Hoare triple {3913#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {3913#false} is VALID [2020-07-08 16:26:43,846 INFO L280 TraceCheckUtils]: 30: Hoare triple {3913#false} ~len~2 := #t~ret14; {3913#false} is VALID [2020-07-08 16:26:43,847 INFO L280 TraceCheckUtils]: 31: Hoare triple {3913#false} havoc #t~ret14; {3913#false} is VALID [2020-07-08 16:26:43,847 INFO L280 TraceCheckUtils]: 32: Hoare triple {3913#false} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {3913#false} is VALID [2020-07-08 16:26:43,847 INFO L263 TraceCheckUtils]: 33: Hoare triple {3913#false} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {3974#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:26:43,848 INFO L280 TraceCheckUtils]: 34: Hoare triple {3974#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {3912#true} is VALID [2020-07-08 16:26:43,848 INFO L280 TraceCheckUtils]: 35: Hoare triple {3912#true} ~head~0.base, ~head~0.offset := 0, 0; {3912#true} is VALID [2020-07-08 16:26:43,848 INFO L280 TraceCheckUtils]: 36: Hoare triple {3912#true} #t~post2 := ~len; {3912#true} is VALID [2020-07-08 16:26:43,849 INFO L280 TraceCheckUtils]: 37: Hoare triple {3912#true} ~len := #t~post2 - 1; {3912#true} is VALID [2020-07-08 16:26:43,849 INFO L280 TraceCheckUtils]: 38: Hoare triple {3912#true} assume !(#t~post2 > 0); {3912#true} is VALID [2020-07-08 16:26:43,849 INFO L280 TraceCheckUtils]: 39: Hoare triple {3912#true} havoc #t~post2; {3912#true} is VALID [2020-07-08 16:26:43,854 INFO L280 TraceCheckUtils]: 40: Hoare triple {3912#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3912#true} is VALID [2020-07-08 16:26:43,855 INFO L280 TraceCheckUtils]: 41: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,855 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3912#true} {3913#false} #245#return; {3913#false} is VALID [2020-07-08 16:26:43,855 INFO L280 TraceCheckUtils]: 43: Hoare triple {3913#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {3913#false} is VALID [2020-07-08 16:26:43,856 INFO L280 TraceCheckUtils]: 44: Hoare triple {3913#false} havoc #t~ret15.base, #t~ret15.offset; {3913#false} is VALID [2020-07-08 16:26:43,857 INFO L263 TraceCheckUtils]: 45: Hoare triple {3913#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {3912#true} is VALID [2020-07-08 16:26:43,858 INFO L280 TraceCheckUtils]: 46: Hoare triple {3912#true} ~from := #in~from; {3912#true} is VALID [2020-07-08 16:26:43,858 INFO L280 TraceCheckUtils]: 47: Hoare triple {3912#true} ~until := #in~until; {3912#true} is VALID [2020-07-08 16:26:43,859 INFO L280 TraceCheckUtils]: 48: Hoare triple {3912#true} ~len~1 := ~from; {3912#true} is VALID [2020-07-08 16:26:43,859 INFO L280 TraceCheckUtils]: 49: Hoare triple {3912#true} #t~short12 := ~len~1 < ~until; {3912#true} is VALID [2020-07-08 16:26:43,859 INFO L280 TraceCheckUtils]: 50: Hoare triple {3912#true} assume !#t~short12; {3912#true} is VALID [2020-07-08 16:26:43,860 INFO L280 TraceCheckUtils]: 51: Hoare triple {3912#true} assume !#t~short12; {3912#true} is VALID [2020-07-08 16:26:43,860 INFO L280 TraceCheckUtils]: 52: Hoare triple {3912#true} havoc #t~nondet11; {3912#true} is VALID [2020-07-08 16:26:43,860 INFO L280 TraceCheckUtils]: 53: Hoare triple {3912#true} havoc #t~short12; {3912#true} is VALID [2020-07-08 16:26:43,861 INFO L280 TraceCheckUtils]: 54: Hoare triple {3912#true} #res := ~len~1; {3912#true} is VALID [2020-07-08 16:26:43,861 INFO L280 TraceCheckUtils]: 55: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,869 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3912#true} {3913#false} #247#return; {3913#false} is VALID [2020-07-08 16:26:43,869 INFO L280 TraceCheckUtils]: 57: Hoare triple {3913#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {3913#false} is VALID [2020-07-08 16:26:43,869 INFO L280 TraceCheckUtils]: 58: Hoare triple {3913#false} ~k~0 := #t~ret16; {3913#false} is VALID [2020-07-08 16:26:43,870 INFO L280 TraceCheckUtils]: 59: Hoare triple {3913#false} havoc #t~ret16; {3913#false} is VALID [2020-07-08 16:26:43,870 INFO L280 TraceCheckUtils]: 60: Hoare triple {3913#false} ~i~0 := 0; {3913#false} is VALID [2020-07-08 16:26:43,870 INFO L280 TraceCheckUtils]: 61: Hoare triple {3913#false} #t~short18 := ~i~0 < ~k~0; {3913#false} is VALID [2020-07-08 16:26:43,871 INFO L280 TraceCheckUtils]: 62: Hoare triple {3913#false} assume !#t~short18; {3913#false} is VALID [2020-07-08 16:26:43,871 INFO L280 TraceCheckUtils]: 63: Hoare triple {3913#false} assume !#t~short18; {3913#false} is VALID [2020-07-08 16:26:43,872 INFO L280 TraceCheckUtils]: 64: Hoare triple {3913#false} havoc #t~short18; {3913#false} is VALID [2020-07-08 16:26:43,872 INFO L280 TraceCheckUtils]: 65: Hoare triple {3913#false} havoc #t~nondet17; {3913#false} is VALID [2020-07-08 16:26:43,874 INFO L280 TraceCheckUtils]: 66: Hoare triple {3913#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {3913#false} is VALID [2020-07-08 16:26:43,875 INFO L263 TraceCheckUtils]: 67: Hoare triple {3913#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {3912#true} is VALID [2020-07-08 16:26:43,875 INFO L280 TraceCheckUtils]: 68: Hoare triple {3912#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {3912#true} is VALID [2020-07-08 16:26:43,875 INFO L280 TraceCheckUtils]: 69: Hoare triple {3912#true} ~len~0 := 0; {3912#true} is VALID [2020-07-08 16:26:43,875 INFO L280 TraceCheckUtils]: 70: Hoare triple {3912#true} assume !(~head.base != 0 || ~head.offset != 0); {3912#true} is VALID [2020-07-08 16:26:43,876 INFO L280 TraceCheckUtils]: 71: Hoare triple {3912#true} #res := ~len~0; {3912#true} is VALID [2020-07-08 16:26:43,876 INFO L280 TraceCheckUtils]: 72: Hoare triple {3912#true} assume true; {3912#true} is VALID [2020-07-08 16:26:43,876 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3912#true} {3913#false} #253#return; {3913#false} is VALID [2020-07-08 16:26:43,877 INFO L280 TraceCheckUtils]: 74: Hoare triple {3913#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {3913#false} is VALID [2020-07-08 16:26:43,877 INFO L280 TraceCheckUtils]: 75: Hoare triple {3913#false} assume ~k~0 + ~len~2 != #t~ret22; {3913#false} is VALID [2020-07-08 16:26:43,877 INFO L280 TraceCheckUtils]: 76: Hoare triple {3913#false} havoc #t~ret22; {3913#false} is VALID [2020-07-08 16:26:43,878 INFO L280 TraceCheckUtils]: 77: Hoare triple {3913#false} havoc #t~mem21.base, #t~mem21.offset; {3913#false} is VALID [2020-07-08 16:26:43,878 INFO L280 TraceCheckUtils]: 78: Hoare triple {3913#false} assume !false; {3913#false} is VALID [2020-07-08 16:26:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:26:43,891 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:26:43,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468529925] [2020-07-08 16:26:43,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:26:43,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-08 16:26:43,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450955932] [2020-07-08 16:26:43,894 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-08 16:26:43,896 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:26:43,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-08 16:26:43,975 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:43,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-08 16:26:43,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:26:43,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-08 16:26:43,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-08 16:26:43,977 INFO L87 Difference]: Start difference. First operand 154 states and 167 transitions. Second operand 11 states. [2020-07-08 16:26:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:48,008 INFO L93 Difference]: Finished difference Result 342 states and 375 transitions. [2020-07-08 16:26:48,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-08 16:26:48,008 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-07-08 16:26:48,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:26:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 16:26:48,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 335 transitions. [2020-07-08 16:26:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 16:26:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 335 transitions. [2020-07-08 16:26:48,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 335 transitions. [2020-07-08 16:26:48,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:48,486 INFO L225 Difference]: With dead ends: 342 [2020-07-08 16:26:48,486 INFO L226 Difference]: Without dead ends: 204 [2020-07-08 16:26:48,487 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 [2020-07-08 16:26:48,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-08 16:26:48,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 161. [2020-07-08 16:26:48,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:26:48,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 204 states. Second operand 161 states. [2020-07-08 16:26:48,898 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 161 states. [2020-07-08 16:26:48,898 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 161 states. [2020-07-08 16:26:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:48,913 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2020-07-08 16:26:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2020-07-08 16:26:48,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:48,914 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:48,914 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 204 states. [2020-07-08 16:26:48,915 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 204 states. [2020-07-08 16:26:48,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:48,932 INFO L93 Difference]: Finished difference Result 204 states and 224 transitions. [2020-07-08 16:26:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2020-07-08 16:26:48,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:48,933 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:48,933 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:26:48,933 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:26:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-08 16:26:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 174 transitions. [2020-07-08 16:26:48,940 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 174 transitions. Word has length 79 [2020-07-08 16:26:48,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:26:48,940 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 174 transitions. [2020-07-08 16:26:48,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-08 16:26:48,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 161 states and 174 transitions. [2020-07-08 16:26:49,233 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2020-07-08 16:26:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-08 16:26:49,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:26:49,235 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] [2020-07-08 16:26:49,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 16:26:49,236 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:26:49,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:26:49,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1820928426, now seen corresponding path program 1 times [2020-07-08 16:26:49,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:26:49,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131870339] [2020-07-08 16:26:49,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:26:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:49,358 INFO L280 TraceCheckUtils]: 0: Hoare triple {5490#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5433#true} is VALID [2020-07-08 16:26:49,359 INFO L280 TraceCheckUtils]: 1: Hoare triple {5433#true} #valid := #valid[0 := 0]; {5433#true} is VALID [2020-07-08 16:26:49,359 INFO L280 TraceCheckUtils]: 2: Hoare triple {5433#true} assume 0 < #StackHeapBarrier; {5433#true} is VALID [2020-07-08 16:26:49,359 INFO L280 TraceCheckUtils]: 3: Hoare triple {5433#true} assume true; {5433#true} is VALID [2020-07-08 16:26:49,359 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5433#true} {5433#true} #259#return; {5433#true} is VALID [2020-07-08 16:26:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:49,417 INFO L280 TraceCheckUtils]: 0: Hoare triple {5433#true} ~from := #in~from; {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:49,418 INFO L280 TraceCheckUtils]: 1: Hoare triple {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:49,418 INFO L280 TraceCheckUtils]: 2: Hoare triple {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,419 INFO L280 TraceCheckUtils]: 3: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,420 INFO L280 TraceCheckUtils]: 4: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,420 INFO L280 TraceCheckUtils]: 5: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,421 INFO L280 TraceCheckUtils]: 6: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,421 INFO L280 TraceCheckUtils]: 7: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,426 INFO L280 TraceCheckUtils]: 8: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,430 INFO L280 TraceCheckUtils]: 9: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,431 INFO L280 TraceCheckUtils]: 10: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:49,432 INFO L280 TraceCheckUtils]: 11: Hoare triple {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:49,433 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {5433#true} #243#return; {5453#(<= 2 |main_#t~ret14|)} is VALID [2020-07-08 16:26:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:49,632 INFO L280 TraceCheckUtils]: 0: Hoare triple {5494#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {5495#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:49,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {5495#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {5495#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:49,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {5495#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {5496#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:49,634 INFO L280 TraceCheckUtils]: 3: Hoare triple {5496#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {5497#(and (= |sll_create_#in~len| |sll_create_#t~post2|) (<= |sll_create_#t~post2| (+ sll_create_~len 1)))} is VALID [2020-07-08 16:26:49,636 INFO L280 TraceCheckUtils]: 4: Hoare triple {5497#(and (= |sll_create_#in~len| |sll_create_#t~post2|) (<= |sll_create_#t~post2| (+ sll_create_~len 1)))} assume !!(#t~post2 > 0); {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,637 INFO L280 TraceCheckUtils]: 5: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,637 INFO L280 TraceCheckUtils]: 6: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,638 INFO L280 TraceCheckUtils]: 7: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,638 INFO L280 TraceCheckUtils]: 8: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,640 INFO L280 TraceCheckUtils]: 9: Hoare triple {5498#(<= |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 {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,640 INFO L280 TraceCheckUtils]: 10: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,641 INFO L280 TraceCheckUtils]: 11: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-08 16:26:49,642 INFO L280 TraceCheckUtils]: 12: Hoare triple {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-08 16:26:49,642 INFO L280 TraceCheckUtils]: 13: Hoare triple {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,643 INFO L280 TraceCheckUtils]: 14: Hoare triple {5500#(<= |sll_create_#in~len| 1)} havoc #t~post2; {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,643 INFO L280 TraceCheckUtils]: 15: Hoare triple {5500#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,644 INFO L280 TraceCheckUtils]: 16: Hoare triple {5500#(<= |sll_create_#in~len| 1)} assume true; {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,645 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5500#(<= |sll_create_#in~len| 1)} {5454#(<= 2 main_~len~2)} #245#return; {5434#false} is VALID [2020-07-08 16:26:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:49,651 INFO L280 TraceCheckUtils]: 0: Hoare triple {5433#true} ~from := #in~from; {5433#true} is VALID [2020-07-08 16:26:49,651 INFO L280 TraceCheckUtils]: 1: Hoare triple {5433#true} ~until := #in~until; {5433#true} is VALID [2020-07-08 16:26:49,651 INFO L280 TraceCheckUtils]: 2: Hoare triple {5433#true} ~len~1 := ~from; {5433#true} is VALID [2020-07-08 16:26:49,651 INFO L280 TraceCheckUtils]: 3: Hoare triple {5433#true} #t~short12 := ~len~1 < ~until; {5433#true} is VALID [2020-07-08 16:26:49,652 INFO L280 TraceCheckUtils]: 4: Hoare triple {5433#true} assume !#t~short12; {5433#true} is VALID [2020-07-08 16:26:49,652 INFO L280 TraceCheckUtils]: 5: Hoare triple {5433#true} assume !#t~short12; {5433#true} is VALID [2020-07-08 16:26:49,652 INFO L280 TraceCheckUtils]: 6: Hoare triple {5433#true} havoc #t~nondet11; {5433#true} is VALID [2020-07-08 16:26:49,652 INFO L280 TraceCheckUtils]: 7: Hoare triple {5433#true} havoc #t~short12; {5433#true} is VALID [2020-07-08 16:26:49,653 INFO L280 TraceCheckUtils]: 8: Hoare triple {5433#true} #res := ~len~1; {5433#true} is VALID [2020-07-08 16:26:49,653 INFO L280 TraceCheckUtils]: 9: Hoare triple {5433#true} assume true; {5433#true} is VALID [2020-07-08 16:26:49,653 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {5433#true} {5434#false} #247#return; {5434#false} is VALID [2020-07-08 16:26:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:49,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {5433#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {5433#true} is VALID [2020-07-08 16:26:49,658 INFO L280 TraceCheckUtils]: 1: Hoare triple {5433#true} ~len~0 := 0; {5433#true} is VALID [2020-07-08 16:26:49,658 INFO L280 TraceCheckUtils]: 2: Hoare triple {5433#true} assume !(~head.base != 0 || ~head.offset != 0); {5433#true} is VALID [2020-07-08 16:26:49,658 INFO L280 TraceCheckUtils]: 3: Hoare triple {5433#true} #res := ~len~0; {5433#true} is VALID [2020-07-08 16:26:49,658 INFO L280 TraceCheckUtils]: 4: Hoare triple {5433#true} assume true; {5433#true} is VALID [2020-07-08 16:26:49,659 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5433#true} {5434#false} #253#return; {5434#false} is VALID [2020-07-08 16:26:49,660 INFO L263 TraceCheckUtils]: 0: Hoare triple {5433#true} call ULTIMATE.init(); {5490#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:26:49,660 INFO L280 TraceCheckUtils]: 1: Hoare triple {5490#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5433#true} is VALID [2020-07-08 16:26:49,660 INFO L280 TraceCheckUtils]: 2: Hoare triple {5433#true} #valid := #valid[0 := 0]; {5433#true} is VALID [2020-07-08 16:26:49,660 INFO L280 TraceCheckUtils]: 3: Hoare triple {5433#true} assume 0 < #StackHeapBarrier; {5433#true} is VALID [2020-07-08 16:26:49,660 INFO L280 TraceCheckUtils]: 4: Hoare triple {5433#true} assume true; {5433#true} is VALID [2020-07-08 16:26:49,661 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5433#true} {5433#true} #259#return; {5433#true} is VALID [2020-07-08 16:26:49,661 INFO L263 TraceCheckUtils]: 6: Hoare triple {5433#true} call #t~ret24 := main(); {5433#true} is VALID [2020-07-08 16:26:49,661 INFO L263 TraceCheckUtils]: 7: Hoare triple {5433#true} call #t~ret14 := _get_nondet_int(2, 5); {5433#true} is VALID [2020-07-08 16:26:49,662 INFO L280 TraceCheckUtils]: 8: Hoare triple {5433#true} ~from := #in~from; {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:49,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:49,663 INFO L280 TraceCheckUtils]: 10: Hoare triple {5491#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,663 INFO L280 TraceCheckUtils]: 11: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,664 INFO L280 TraceCheckUtils]: 12: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,664 INFO L280 TraceCheckUtils]: 13: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,665 INFO L280 TraceCheckUtils]: 14: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,666 INFO L280 TraceCheckUtils]: 15: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short12; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,666 INFO L280 TraceCheckUtils]: 16: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,683 INFO L280 TraceCheckUtils]: 17: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:49,684 INFO L280 TraceCheckUtils]: 18: Hoare triple {5492#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:49,684 INFO L280 TraceCheckUtils]: 19: Hoare triple {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:49,685 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5493#(or (<= 2 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {5433#true} #243#return; {5453#(<= 2 |main_#t~ret14|)} is VALID [2020-07-08 16:26:49,686 INFO L280 TraceCheckUtils]: 21: Hoare triple {5453#(<= 2 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {5453#(<= 2 |main_#t~ret14|)} is VALID [2020-07-08 16:26:49,686 INFO L280 TraceCheckUtils]: 22: Hoare triple {5453#(<= 2 |main_#t~ret14|)} ~len~2 := #t~ret14; {5454#(<= 2 main_~len~2)} is VALID [2020-07-08 16:26:49,687 INFO L280 TraceCheckUtils]: 23: Hoare triple {5454#(<= 2 main_~len~2)} havoc #t~ret14; {5454#(<= 2 main_~len~2)} is VALID [2020-07-08 16:26:49,687 INFO L280 TraceCheckUtils]: 24: Hoare triple {5454#(<= 2 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {5454#(<= 2 main_~len~2)} is VALID [2020-07-08 16:26:49,688 INFO L263 TraceCheckUtils]: 25: Hoare triple {5454#(<= 2 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {5494#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:26:49,689 INFO L280 TraceCheckUtils]: 26: Hoare triple {5494#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {5495#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:49,689 INFO L280 TraceCheckUtils]: 27: Hoare triple {5495#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {5495#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:49,690 INFO L280 TraceCheckUtils]: 28: Hoare triple {5495#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {5496#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:49,690 INFO L280 TraceCheckUtils]: 29: Hoare triple {5496#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {5497#(and (= |sll_create_#in~len| |sll_create_#t~post2|) (<= |sll_create_#t~post2| (+ sll_create_~len 1)))} is VALID [2020-07-08 16:26:49,691 INFO L280 TraceCheckUtils]: 30: Hoare triple {5497#(and (= |sll_create_#in~len| |sll_create_#t~post2|) (<= |sll_create_#t~post2| (+ sll_create_~len 1)))} assume !!(#t~post2 > 0); {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,691 INFO L280 TraceCheckUtils]: 31: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} havoc #t~post2; {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,692 INFO L280 TraceCheckUtils]: 32: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,692 INFO L280 TraceCheckUtils]: 33: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,693 INFO L280 TraceCheckUtils]: 34: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,694 INFO L280 TraceCheckUtils]: 35: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,694 INFO L280 TraceCheckUtils]: 36: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2020-07-08 16:26:49,695 INFO L280 TraceCheckUtils]: 37: Hoare triple {5498#(<= |sll_create_#in~len| (+ sll_create_~len 1))} #t~post2 := ~len; {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-08 16:26:49,695 INFO L280 TraceCheckUtils]: 38: Hoare triple {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} ~len := #t~post2 - 1; {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} is VALID [2020-07-08 16:26:49,696 INFO L280 TraceCheckUtils]: 39: Hoare triple {5499#(<= |sll_create_#in~len| (+ |sll_create_#t~post2| 1))} assume !(#t~post2 > 0); {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,697 INFO L280 TraceCheckUtils]: 40: Hoare triple {5500#(<= |sll_create_#in~len| 1)} havoc #t~post2; {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,697 INFO L280 TraceCheckUtils]: 41: Hoare triple {5500#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,698 INFO L280 TraceCheckUtils]: 42: Hoare triple {5500#(<= |sll_create_#in~len| 1)} assume true; {5500#(<= |sll_create_#in~len| 1)} is VALID [2020-07-08 16:26:49,699 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {5500#(<= |sll_create_#in~len| 1)} {5454#(<= 2 main_~len~2)} #245#return; {5434#false} is VALID [2020-07-08 16:26:49,699 INFO L280 TraceCheckUtils]: 44: Hoare triple {5434#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {5434#false} is VALID [2020-07-08 16:26:49,699 INFO L280 TraceCheckUtils]: 45: Hoare triple {5434#false} havoc #t~ret15.base, #t~ret15.offset; {5434#false} is VALID [2020-07-08 16:26:49,700 INFO L263 TraceCheckUtils]: 46: Hoare triple {5434#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {5433#true} is VALID [2020-07-08 16:26:49,700 INFO L280 TraceCheckUtils]: 47: Hoare triple {5433#true} ~from := #in~from; {5433#true} is VALID [2020-07-08 16:26:49,700 INFO L280 TraceCheckUtils]: 48: Hoare triple {5433#true} ~until := #in~until; {5433#true} is VALID [2020-07-08 16:26:49,700 INFO L280 TraceCheckUtils]: 49: Hoare triple {5433#true} ~len~1 := ~from; {5433#true} is VALID [2020-07-08 16:26:49,700 INFO L280 TraceCheckUtils]: 50: Hoare triple {5433#true} #t~short12 := ~len~1 < ~until; {5433#true} is VALID [2020-07-08 16:26:49,700 INFO L280 TraceCheckUtils]: 51: Hoare triple {5433#true} assume !#t~short12; {5433#true} is VALID [2020-07-08 16:26:49,701 INFO L280 TraceCheckUtils]: 52: Hoare triple {5433#true} assume !#t~short12; {5433#true} is VALID [2020-07-08 16:26:49,701 INFO L280 TraceCheckUtils]: 53: Hoare triple {5433#true} havoc #t~nondet11; {5433#true} is VALID [2020-07-08 16:26:49,701 INFO L280 TraceCheckUtils]: 54: Hoare triple {5433#true} havoc #t~short12; {5433#true} is VALID [2020-07-08 16:26:49,701 INFO L280 TraceCheckUtils]: 55: Hoare triple {5433#true} #res := ~len~1; {5433#true} is VALID [2020-07-08 16:26:49,701 INFO L280 TraceCheckUtils]: 56: Hoare triple {5433#true} assume true; {5433#true} is VALID [2020-07-08 16:26:49,702 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {5433#true} {5434#false} #247#return; {5434#false} is VALID [2020-07-08 16:26:49,702 INFO L280 TraceCheckUtils]: 58: Hoare triple {5434#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {5434#false} is VALID [2020-07-08 16:26:49,702 INFO L280 TraceCheckUtils]: 59: Hoare triple {5434#false} ~k~0 := #t~ret16; {5434#false} is VALID [2020-07-08 16:26:49,702 INFO L280 TraceCheckUtils]: 60: Hoare triple {5434#false} havoc #t~ret16; {5434#false} is VALID [2020-07-08 16:26:49,703 INFO L280 TraceCheckUtils]: 61: Hoare triple {5434#false} ~i~0 := 0; {5434#false} is VALID [2020-07-08 16:26:49,703 INFO L280 TraceCheckUtils]: 62: Hoare triple {5434#false} #t~short18 := ~i~0 < ~k~0; {5434#false} is VALID [2020-07-08 16:26:49,703 INFO L280 TraceCheckUtils]: 63: Hoare triple {5434#false} assume !#t~short18; {5434#false} is VALID [2020-07-08 16:26:49,703 INFO L280 TraceCheckUtils]: 64: Hoare triple {5434#false} assume !#t~short18; {5434#false} is VALID [2020-07-08 16:26:49,703 INFO L280 TraceCheckUtils]: 65: Hoare triple {5434#false} havoc #t~short18; {5434#false} is VALID [2020-07-08 16:26:49,703 INFO L280 TraceCheckUtils]: 66: Hoare triple {5434#false} havoc #t~nondet17; {5434#false} is VALID [2020-07-08 16:26:49,704 INFO L280 TraceCheckUtils]: 67: Hoare triple {5434#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {5434#false} is VALID [2020-07-08 16:26:49,704 INFO L263 TraceCheckUtils]: 68: Hoare triple {5434#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {5433#true} is VALID [2020-07-08 16:26:49,704 INFO L280 TraceCheckUtils]: 69: Hoare triple {5433#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {5433#true} is VALID [2020-07-08 16:26:49,704 INFO L280 TraceCheckUtils]: 70: Hoare triple {5433#true} ~len~0 := 0; {5433#true} is VALID [2020-07-08 16:26:49,704 INFO L280 TraceCheckUtils]: 71: Hoare triple {5433#true} assume !(~head.base != 0 || ~head.offset != 0); {5433#true} is VALID [2020-07-08 16:26:49,705 INFO L280 TraceCheckUtils]: 72: Hoare triple {5433#true} #res := ~len~0; {5433#true} is VALID [2020-07-08 16:26:49,705 INFO L280 TraceCheckUtils]: 73: Hoare triple {5433#true} assume true; {5433#true} is VALID [2020-07-08 16:26:49,705 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {5433#true} {5434#false} #253#return; {5434#false} is VALID [2020-07-08 16:26:49,705 INFO L280 TraceCheckUtils]: 75: Hoare triple {5434#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {5434#false} is VALID [2020-07-08 16:26:49,705 INFO L280 TraceCheckUtils]: 76: Hoare triple {5434#false} assume ~k~0 + ~len~2 != #t~ret22; {5434#false} is VALID [2020-07-08 16:26:49,706 INFO L280 TraceCheckUtils]: 77: Hoare triple {5434#false} havoc #t~ret22; {5434#false} is VALID [2020-07-08 16:26:49,706 INFO L280 TraceCheckUtils]: 78: Hoare triple {5434#false} havoc #t~mem21.base, #t~mem21.offset; {5434#false} is VALID [2020-07-08 16:26:49,706 INFO L280 TraceCheckUtils]: 79: Hoare triple {5434#false} assume !false; {5434#false} is VALID [2020-07-08 16:26:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:26:49,713 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:26:49,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131870339] [2020-07-08 16:26:49,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:26:49,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-08 16:26:49,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178719742] [2020-07-08 16:26:49,715 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80 [2020-07-08 16:26:49,715 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:26:49,715 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-08 16:26:49,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:49,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-08 16:26:49,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:26:49,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-08 16:26:49,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-07-08 16:26:49,788 INFO L87 Difference]: Start difference. First operand 161 states and 174 transitions. Second operand 15 states. [2020-07-08 16:26:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:53,810 INFO L93 Difference]: Finished difference Result 307 states and 339 transitions. [2020-07-08 16:26:53,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-08 16:26:53,810 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80 [2020-07-08 16:26:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:26:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 16:26:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 334 transitions. [2020-07-08 16:26:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-08 16:26:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 334 transitions. [2020-07-08 16:26:53,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 334 transitions. [2020-07-08 16:26:54,243 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 334 edges. 334 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:54,249 INFO L225 Difference]: With dead ends: 307 [2020-07-08 16:26:54,250 INFO L226 Difference]: Without dead ends: 221 [2020-07-08 16:26:54,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2020-07-08 16:26:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-08 16:26:54,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 170. [2020-07-08 16:26:54,638 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:26:54,638 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 170 states. [2020-07-08 16:26:54,638 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 170 states. [2020-07-08 16:26:54,638 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 170 states. [2020-07-08 16:26:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:54,648 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2020-07-08 16:26:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 245 transitions. [2020-07-08 16:26:54,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:54,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:54,650 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 221 states. [2020-07-08 16:26:54,650 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 221 states. [2020-07-08 16:26:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:26:54,659 INFO L93 Difference]: Finished difference Result 221 states and 245 transitions. [2020-07-08 16:26:54,659 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 245 transitions. [2020-07-08 16:26:54,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:26:54,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:26:54,661 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:26:54,661 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:26:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-08 16:26:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2020-07-08 16:26:54,668 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 80 [2020-07-08 16:26:54,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:26:54,668 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2020-07-08 16:26:54,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-08 16:26:54,668 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 170 states and 184 transitions. [2020-07-08 16:26:54,990 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2020-07-08 16:26:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-08 16:26:54,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:26:54,992 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] [2020-07-08 16:26:54,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 16:26:54,993 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:26:54,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:26:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1107353865, now seen corresponding path program 2 times [2020-07-08 16:26:54,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:26:54,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373389558] [2020-07-08 16:26:54,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:26:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:55,107 INFO L280 TraceCheckUtils]: 0: Hoare triple {6996#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6938#true} is VALID [2020-07-08 16:26:55,107 INFO L280 TraceCheckUtils]: 1: Hoare triple {6938#true} #valid := #valid[0 := 0]; {6938#true} is VALID [2020-07-08 16:26:55,108 INFO L280 TraceCheckUtils]: 2: Hoare triple {6938#true} assume 0 < #StackHeapBarrier; {6938#true} is VALID [2020-07-08 16:26:55,108 INFO L280 TraceCheckUtils]: 3: Hoare triple {6938#true} assume true; {6938#true} is VALID [2020-07-08 16:26:55,108 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6938#true} {6938#true} #259#return; {6938#true} is VALID [2020-07-08 16:26:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:55,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {6938#true} ~from := #in~from; {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:55,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:55,209 INFO L280 TraceCheckUtils]: 2: Hoare triple {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,209 INFO L280 TraceCheckUtils]: 4: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,210 INFO L280 TraceCheckUtils]: 5: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,210 INFO L280 TraceCheckUtils]: 6: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,210 INFO L280 TraceCheckUtils]: 7: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,211 INFO L280 TraceCheckUtils]: 8: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,211 INFO L280 TraceCheckUtils]: 9: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,212 INFO L280 TraceCheckUtils]: 10: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {6999#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,212 INFO L280 TraceCheckUtils]: 11: Hoare triple {6999#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,213 INFO L280 TraceCheckUtils]: 12: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,213 INFO L280 TraceCheckUtils]: 13: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,213 INFO L280 TraceCheckUtils]: 14: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,214 INFO L280 TraceCheckUtils]: 15: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,214 INFO L280 TraceCheckUtils]: 16: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,215 INFO L280 TraceCheckUtils]: 17: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,215 INFO L280 TraceCheckUtils]: 18: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,215 INFO L280 TraceCheckUtils]: 19: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,216 INFO L280 TraceCheckUtils]: 20: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,216 INFO L280 TraceCheckUtils]: 21: Hoare triple {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,217 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {6938#true} #243#return; {6968#(<= 3 |main_#t~ret14|)} is VALID [2020-07-08 16:26:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:55,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {7002#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {7003#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:55,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {7003#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {7003#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:55,316 INFO L280 TraceCheckUtils]: 2: Hoare triple {7003#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:55,316 INFO L280 TraceCheckUtils]: 3: Hoare triple {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:55,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,317 INFO L280 TraceCheckUtils]: 5: Hoare triple {7005#(<= |sll_create_#in~len| 0)} havoc #t~post2; {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {7005#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,318 INFO L280 TraceCheckUtils]: 7: Hoare triple {7005#(<= |sll_create_#in~len| 0)} assume true; {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,319 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7005#(<= |sll_create_#in~len| 0)} {6969#(<= 3 main_~len~2)} #245#return; {6939#false} is VALID [2020-07-08 16:26:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:55,327 INFO L280 TraceCheckUtils]: 0: Hoare triple {6938#true} ~from := #in~from; {6938#true} is VALID [2020-07-08 16:26:55,327 INFO L280 TraceCheckUtils]: 1: Hoare triple {6938#true} ~until := #in~until; {6938#true} is VALID [2020-07-08 16:26:55,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {6938#true} ~len~1 := ~from; {6938#true} is VALID [2020-07-08 16:26:55,327 INFO L280 TraceCheckUtils]: 3: Hoare triple {6938#true} #t~short12 := ~len~1 < ~until; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L280 TraceCheckUtils]: 4: Hoare triple {6938#true} assume !#t~short12; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L280 TraceCheckUtils]: 5: Hoare triple {6938#true} assume !#t~short12; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L280 TraceCheckUtils]: 6: Hoare triple {6938#true} havoc #t~nondet11; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L280 TraceCheckUtils]: 7: Hoare triple {6938#true} havoc #t~short12; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L280 TraceCheckUtils]: 8: Hoare triple {6938#true} #res := ~len~1; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L280 TraceCheckUtils]: 9: Hoare triple {6938#true} assume true; {6938#true} is VALID [2020-07-08 16:26:55,328 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {6938#true} {6939#false} #247#return; {6939#false} is VALID [2020-07-08 16:26:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:26:55,333 INFO L280 TraceCheckUtils]: 0: Hoare triple {6938#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {6938#true} is VALID [2020-07-08 16:26:55,333 INFO L280 TraceCheckUtils]: 1: Hoare triple {6938#true} ~len~0 := 0; {6938#true} is VALID [2020-07-08 16:26:55,333 INFO L280 TraceCheckUtils]: 2: Hoare triple {6938#true} assume !(~head.base != 0 || ~head.offset != 0); {6938#true} is VALID [2020-07-08 16:26:55,333 INFO L280 TraceCheckUtils]: 3: Hoare triple {6938#true} #res := ~len~0; {6938#true} is VALID [2020-07-08 16:26:55,333 INFO L280 TraceCheckUtils]: 4: Hoare triple {6938#true} assume true; {6938#true} is VALID [2020-07-08 16:26:55,334 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6938#true} {6939#false} #253#return; {6939#false} is VALID [2020-07-08 16:26:55,334 INFO L263 TraceCheckUtils]: 0: Hoare triple {6938#true} call ULTIMATE.init(); {6996#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:26:55,334 INFO L280 TraceCheckUtils]: 1: Hoare triple {6996#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6938#true} is VALID [2020-07-08 16:26:55,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {6938#true} #valid := #valid[0 := 0]; {6938#true} is VALID [2020-07-08 16:26:55,335 INFO L280 TraceCheckUtils]: 3: Hoare triple {6938#true} assume 0 < #StackHeapBarrier; {6938#true} is VALID [2020-07-08 16:26:55,335 INFO L280 TraceCheckUtils]: 4: Hoare triple {6938#true} assume true; {6938#true} is VALID [2020-07-08 16:26:55,335 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6938#true} {6938#true} #259#return; {6938#true} is VALID [2020-07-08 16:26:55,335 INFO L263 TraceCheckUtils]: 6: Hoare triple {6938#true} call #t~ret24 := main(); {6938#true} is VALID [2020-07-08 16:26:55,335 INFO L263 TraceCheckUtils]: 7: Hoare triple {6938#true} call #t~ret14 := _get_nondet_int(2, 5); {6938#true} is VALID [2020-07-08 16:26:55,336 INFO L280 TraceCheckUtils]: 8: Hoare triple {6938#true} ~from := #in~from; {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:55,336 INFO L280 TraceCheckUtils]: 9: Hoare triple {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~until := #in~until; {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} is VALID [2020-07-08 16:26:55,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {6997#(= |_get_nondet_int_#in~from| _get_nondet_int_~from)} ~len~1 := ~from; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,337 INFO L280 TraceCheckUtils]: 11: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := ~len~1 < ~until; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,338 INFO L280 TraceCheckUtils]: 12: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short12; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,338 INFO L280 TraceCheckUtils]: 13: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,339 INFO L280 TraceCheckUtils]: 14: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short12 := 0 != #t~nondet11; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,339 INFO L280 TraceCheckUtils]: 15: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !!#t~short12; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,340 INFO L280 TraceCheckUtils]: 16: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~nondet11; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,340 INFO L280 TraceCheckUtils]: 17: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} havoc #t~short12; {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2020-07-08 16:26:55,341 INFO L280 TraceCheckUtils]: 18: Hoare triple {6998#(or (= 2 _get_nondet_int_~len~1) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~post13 := ~len~1; {6999#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,342 INFO L280 TraceCheckUtils]: 19: Hoare triple {6999#(or (<= 2 |_get_nondet_int_#t~post13|) (not (= 2 |_get_nondet_int_#in~from|)))} ~len~1 := 1 + #t~post13; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,342 INFO L280 TraceCheckUtils]: 20: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~post13; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,343 INFO L280 TraceCheckUtils]: 21: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := ~len~1 < ~until; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,343 INFO L280 TraceCheckUtils]: 22: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume #t~short12; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,344 INFO L280 TraceCheckUtils]: 23: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,344 INFO L280 TraceCheckUtils]: 24: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #t~short12 := 0 != #t~nondet11; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,345 INFO L280 TraceCheckUtils]: 25: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} assume !#t~short12; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,345 INFO L280 TraceCheckUtils]: 26: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~nondet11; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,346 INFO L280 TraceCheckUtils]: 27: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} havoc #t~short12; {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,347 INFO L280 TraceCheckUtils]: 28: Hoare triple {7000#(or (<= 3 _get_nondet_int_~len~1) (not (= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,347 INFO L280 TraceCheckUtils]: 29: Hoare triple {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2020-07-08 16:26:55,348 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {7001#(or (<= 3 |_get_nondet_int_#res|) (not (= 2 |_get_nondet_int_#in~from|)))} {6938#true} #243#return; {6968#(<= 3 |main_#t~ret14|)} is VALID [2020-07-08 16:26:55,348 INFO L280 TraceCheckUtils]: 31: Hoare triple {6968#(<= 3 |main_#t~ret14|)} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {6968#(<= 3 |main_#t~ret14|)} is VALID [2020-07-08 16:26:55,349 INFO L280 TraceCheckUtils]: 32: Hoare triple {6968#(<= 3 |main_#t~ret14|)} ~len~2 := #t~ret14; {6969#(<= 3 main_~len~2)} is VALID [2020-07-08 16:26:55,349 INFO L280 TraceCheckUtils]: 33: Hoare triple {6969#(<= 3 main_~len~2)} havoc #t~ret14; {6969#(<= 3 main_~len~2)} is VALID [2020-07-08 16:26:55,350 INFO L280 TraceCheckUtils]: 34: Hoare triple {6969#(<= 3 main_~len~2)} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {6969#(<= 3 main_~len~2)} is VALID [2020-07-08 16:26:55,351 INFO L263 TraceCheckUtils]: 35: Hoare triple {6969#(<= 3 main_~len~2)} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {7002#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:26:55,352 INFO L280 TraceCheckUtils]: 36: Hoare triple {7002#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {7003#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:55,352 INFO L280 TraceCheckUtils]: 37: Hoare triple {7003#(= |sll_create_#in~len| sll_create_~len)} ~head~0.base, ~head~0.offset := 0, 0; {7003#(= |sll_create_#in~len| sll_create_~len)} is VALID [2020-07-08 16:26:55,353 INFO L280 TraceCheckUtils]: 38: Hoare triple {7003#(= |sll_create_#in~len| sll_create_~len)} #t~post2 := ~len; {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:55,353 INFO L280 TraceCheckUtils]: 39: Hoare triple {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} ~len := #t~post2 - 1; {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} is VALID [2020-07-08 16:26:55,354 INFO L280 TraceCheckUtils]: 40: Hoare triple {7004#(= |sll_create_#in~len| |sll_create_#t~post2|)} assume !(#t~post2 > 0); {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,354 INFO L280 TraceCheckUtils]: 41: Hoare triple {7005#(<= |sll_create_#in~len| 0)} havoc #t~post2; {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,355 INFO L280 TraceCheckUtils]: 42: Hoare triple {7005#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,355 INFO L280 TraceCheckUtils]: 43: Hoare triple {7005#(<= |sll_create_#in~len| 0)} assume true; {7005#(<= |sll_create_#in~len| 0)} is VALID [2020-07-08 16:26:55,356 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {7005#(<= |sll_create_#in~len| 0)} {6969#(<= 3 main_~len~2)} #245#return; {6939#false} is VALID [2020-07-08 16:26:55,356 INFO L280 TraceCheckUtils]: 45: Hoare triple {6939#false} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {6939#false} is VALID [2020-07-08 16:26:55,357 INFO L280 TraceCheckUtils]: 46: Hoare triple {6939#false} havoc #t~ret15.base, #t~ret15.offset; {6939#false} is VALID [2020-07-08 16:26:55,357 INFO L263 TraceCheckUtils]: 47: Hoare triple {6939#false} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {6938#true} is VALID [2020-07-08 16:26:55,357 INFO L280 TraceCheckUtils]: 48: Hoare triple {6938#true} ~from := #in~from; {6938#true} is VALID [2020-07-08 16:26:55,357 INFO L280 TraceCheckUtils]: 49: Hoare triple {6938#true} ~until := #in~until; {6938#true} is VALID [2020-07-08 16:26:55,357 INFO L280 TraceCheckUtils]: 50: Hoare triple {6938#true} ~len~1 := ~from; {6938#true} is VALID [2020-07-08 16:26:55,358 INFO L280 TraceCheckUtils]: 51: Hoare triple {6938#true} #t~short12 := ~len~1 < ~until; {6938#true} is VALID [2020-07-08 16:26:55,358 INFO L280 TraceCheckUtils]: 52: Hoare triple {6938#true} assume !#t~short12; {6938#true} is VALID [2020-07-08 16:26:55,358 INFO L280 TraceCheckUtils]: 53: Hoare triple {6938#true} assume !#t~short12; {6938#true} is VALID [2020-07-08 16:26:55,358 INFO L280 TraceCheckUtils]: 54: Hoare triple {6938#true} havoc #t~nondet11; {6938#true} is VALID [2020-07-08 16:26:55,358 INFO L280 TraceCheckUtils]: 55: Hoare triple {6938#true} havoc #t~short12; {6938#true} is VALID [2020-07-08 16:26:55,359 INFO L280 TraceCheckUtils]: 56: Hoare triple {6938#true} #res := ~len~1; {6938#true} is VALID [2020-07-08 16:26:55,359 INFO L280 TraceCheckUtils]: 57: Hoare triple {6938#true} assume true; {6938#true} is VALID [2020-07-08 16:26:55,359 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6938#true} {6939#false} #247#return; {6939#false} is VALID [2020-07-08 16:26:55,359 INFO L280 TraceCheckUtils]: 59: Hoare triple {6939#false} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {6939#false} is VALID [2020-07-08 16:26:55,359 INFO L280 TraceCheckUtils]: 60: Hoare triple {6939#false} ~k~0 := #t~ret16; {6939#false} is VALID [2020-07-08 16:26:55,359 INFO L280 TraceCheckUtils]: 61: Hoare triple {6939#false} havoc #t~ret16; {6939#false} is VALID [2020-07-08 16:26:55,360 INFO L280 TraceCheckUtils]: 62: Hoare triple {6939#false} ~i~0 := 0; {6939#false} is VALID [2020-07-08 16:26:55,360 INFO L280 TraceCheckUtils]: 63: Hoare triple {6939#false} #t~short18 := ~i~0 < ~k~0; {6939#false} is VALID [2020-07-08 16:26:55,360 INFO L280 TraceCheckUtils]: 64: Hoare triple {6939#false} assume !#t~short18; {6939#false} is VALID [2020-07-08 16:26:55,360 INFO L280 TraceCheckUtils]: 65: Hoare triple {6939#false} assume !#t~short18; {6939#false} is VALID [2020-07-08 16:26:55,360 INFO L280 TraceCheckUtils]: 66: Hoare triple {6939#false} havoc #t~short18; {6939#false} is VALID [2020-07-08 16:26:55,361 INFO L280 TraceCheckUtils]: 67: Hoare triple {6939#false} havoc #t~nondet17; {6939#false} is VALID [2020-07-08 16:26:55,361 INFO L280 TraceCheckUtils]: 68: Hoare triple {6939#false} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); srcloc: L620-12 {6939#false} is VALID [2020-07-08 16:26:55,361 INFO L263 TraceCheckUtils]: 69: Hoare triple {6939#false} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {6938#true} is VALID [2020-07-08 16:26:55,361 INFO L280 TraceCheckUtils]: 70: Hoare triple {6938#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {6938#true} is VALID [2020-07-08 16:26:55,361 INFO L280 TraceCheckUtils]: 71: Hoare triple {6938#true} ~len~0 := 0; {6938#true} is VALID [2020-07-08 16:26:55,361 INFO L280 TraceCheckUtils]: 72: Hoare triple {6938#true} assume !(~head.base != 0 || ~head.offset != 0); {6938#true} is VALID [2020-07-08 16:26:55,362 INFO L280 TraceCheckUtils]: 73: Hoare triple {6938#true} #res := ~len~0; {6938#true} is VALID [2020-07-08 16:26:55,362 INFO L280 TraceCheckUtils]: 74: Hoare triple {6938#true} assume true; {6938#true} is VALID [2020-07-08 16:26:55,362 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {6938#true} {6939#false} #253#return; {6939#false} is VALID [2020-07-08 16:26:55,362 INFO L280 TraceCheckUtils]: 76: Hoare triple {6939#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {6939#false} is VALID [2020-07-08 16:26:55,362 INFO L280 TraceCheckUtils]: 77: Hoare triple {6939#false} assume ~k~0 + ~len~2 != #t~ret22; {6939#false} is VALID [2020-07-08 16:26:55,363 INFO L280 TraceCheckUtils]: 78: Hoare triple {6939#false} havoc #t~ret22; {6939#false} is VALID [2020-07-08 16:26:55,363 INFO L280 TraceCheckUtils]: 79: Hoare triple {6939#false} havoc #t~mem21.base, #t~mem21.offset; {6939#false} is VALID [2020-07-08 16:26:55,363 INFO L280 TraceCheckUtils]: 80: Hoare triple {6939#false} assume !false; {6939#false} is VALID [2020-07-08 16:26:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:26:55,370 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:26:55,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373389558] [2020-07-08 16:26:55,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:26:55,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-08 16:26:55,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243602484] [2020-07-08 16:26:55,373 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2020-07-08 16:26:55,374 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:26:55,374 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 16:26:55,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:26:55,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 16:26:55,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:26:55,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 16:26:55,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-07-08 16:26:55,457 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand 14 states. [2020-07-08 16:27:00,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:27:00,642 INFO L93 Difference]: Finished difference Result 306 states and 337 transitions. [2020-07-08 16:27:00,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-08 16:27:00,643 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2020-07-08 16:27:00,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:27:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 16:27:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 321 transitions. [2020-07-08 16:27:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 16:27:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 321 transitions. [2020-07-08 16:27:00,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 321 transitions. [2020-07-08 16:27:01,072 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 321 edges. 321 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:27:01,078 INFO L225 Difference]: With dead ends: 306 [2020-07-08 16:27:01,079 INFO L226 Difference]: Without dead ends: 216 [2020-07-08 16:27:01,080 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 [2020-07-08 16:27:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-07-08 16:27:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2020-07-08 16:27:01,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:27:01,490 INFO L82 GeneralOperation]: Start isEquivalent. First operand 216 states. Second operand 170 states. [2020-07-08 16:27:01,490 INFO L74 IsIncluded]: Start isIncluded. First operand 216 states. Second operand 170 states. [2020-07-08 16:27:01,490 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 170 states. [2020-07-08 16:27:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:27:01,498 INFO L93 Difference]: Finished difference Result 216 states and 239 transitions. [2020-07-08 16:27:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2020-07-08 16:27:01,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:27:01,499 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:27:01,499 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 216 states. [2020-07-08 16:27:01,499 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 216 states. [2020-07-08 16:27:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:27:01,507 INFO L93 Difference]: Finished difference Result 216 states and 239 transitions. [2020-07-08 16:27:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 239 transitions. [2020-07-08 16:27:01,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:27:01,509 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:27:01,509 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:27:01,509 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:27:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-08 16:27:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2020-07-08 16:27:01,514 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 81 [2020-07-08 16:27:01,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:27:01,515 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2020-07-08 16:27:01,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 16:27:01,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 170 states and 183 transitions. [2020-07-08 16:27:01,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:27:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2020-07-08 16:27:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-08 16:27:01,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:27:01,844 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] [2020-07-08 16:27:01,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 16:27:01,845 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:27:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:27:01,845 INFO L82 PathProgramCache]: Analyzing trace with hash -574415326, now seen corresponding path program 2 times [2020-07-08 16:27:01,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:27:01,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791065168] [2020-07-08 16:27:01,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:27:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:27:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:27:02,121 INFO L280 TraceCheckUtils]: 0: Hoare triple {8502#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8435#true} is VALID [2020-07-08 16:27:02,121 INFO L280 TraceCheckUtils]: 1: Hoare triple {8435#true} #valid := #valid[0 := 0]; {8435#true} is VALID [2020-07-08 16:27:02,121 INFO L280 TraceCheckUtils]: 2: Hoare triple {8435#true} assume 0 < #StackHeapBarrier; {8435#true} is VALID [2020-07-08 16:27:02,122 INFO L280 TraceCheckUtils]: 3: Hoare triple {8435#true} assume true; {8435#true} is VALID [2020-07-08 16:27:02,122 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8435#true} {8435#true} #259#return; {8435#true} is VALID [2020-07-08 16:27:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:27:02,128 INFO L280 TraceCheckUtils]: 0: Hoare triple {8435#true} ~from := #in~from; {8435#true} is VALID [2020-07-08 16:27:02,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {8435#true} ~until := #in~until; {8435#true} is VALID [2020-07-08 16:27:02,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {8435#true} ~len~1 := ~from; {8435#true} is VALID [2020-07-08 16:27:02,129 INFO L280 TraceCheckUtils]: 3: Hoare triple {8435#true} #t~short12 := ~len~1 < ~until; {8435#true} is VALID [2020-07-08 16:27:02,129 INFO L280 TraceCheckUtils]: 4: Hoare triple {8435#true} assume #t~short12; {8435#true} is VALID [2020-07-08 16:27:02,129 INFO L280 TraceCheckUtils]: 5: Hoare triple {8435#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8435#true} is VALID [2020-07-08 16:27:02,129 INFO L280 TraceCheckUtils]: 6: Hoare triple {8435#true} #t~short12 := 0 != #t~nondet11; {8435#true} is VALID [2020-07-08 16:27:02,129 INFO L280 TraceCheckUtils]: 7: Hoare triple {8435#true} assume !#t~short12; {8435#true} is VALID [2020-07-08 16:27:02,130 INFO L280 TraceCheckUtils]: 8: Hoare triple {8435#true} havoc #t~nondet11; {8435#true} is VALID [2020-07-08 16:27:02,130 INFO L280 TraceCheckUtils]: 9: Hoare triple {8435#true} havoc #t~short12; {8435#true} is VALID [2020-07-08 16:27:02,130 INFO L280 TraceCheckUtils]: 10: Hoare triple {8435#true} #res := ~len~1; {8435#true} is VALID [2020-07-08 16:27:02,130 INFO L280 TraceCheckUtils]: 11: Hoare triple {8435#true} assume true; {8435#true} is VALID [2020-07-08 16:27:02,130 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {8435#true} {8435#true} #243#return; {8435#true} is VALID [2020-07-08 16:27:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:27:02,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {8503#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {8435#true} is VALID [2020-07-08 16:27:02,257 INFO L280 TraceCheckUtils]: 1: Hoare triple {8435#true} ~head~0.base, ~head~0.offset := 0, 0; {8435#true} is VALID [2020-07-08 16:27:02,257 INFO L280 TraceCheckUtils]: 2: Hoare triple {8435#true} #t~post2 := ~len; {8435#true} is VALID [2020-07-08 16:27:02,257 INFO L280 TraceCheckUtils]: 3: Hoare triple {8435#true} ~len := #t~post2 - 1; {8435#true} is VALID [2020-07-08 16:27:02,258 INFO L280 TraceCheckUtils]: 4: Hoare triple {8435#true} assume !!(#t~post2 > 0); {8435#true} is VALID [2020-07-08 16:27:02,258 INFO L280 TraceCheckUtils]: 5: Hoare triple {8435#true} havoc #t~post2; {8435#true} is VALID [2020-07-08 16:27:02,258 INFO L280 TraceCheckUtils]: 6: Hoare triple {8435#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8435#true} is VALID [2020-07-08 16:27:02,258 INFO L280 TraceCheckUtils]: 7: Hoare triple {8435#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8435#true} is VALID [2020-07-08 16:27:02,258 INFO L280 TraceCheckUtils]: 8: Hoare triple {8435#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8435#true} is VALID [2020-07-08 16:27:02,259 INFO L280 TraceCheckUtils]: 9: Hoare triple {8435#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8435#true} is VALID [2020-07-08 16:27:02,259 INFO L280 TraceCheckUtils]: 10: Hoare triple {8435#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8435#true} is VALID [2020-07-08 16:27:02,259 INFO L280 TraceCheckUtils]: 11: Hoare triple {8435#true} #t~post2 := ~len; {8435#true} is VALID [2020-07-08 16:27:02,259 INFO L280 TraceCheckUtils]: 12: Hoare triple {8435#true} ~len := #t~post2 - 1; {8435#true} is VALID [2020-07-08 16:27:02,260 INFO L280 TraceCheckUtils]: 13: Hoare triple {8435#true} assume !!(#t~post2 > 0); {8435#true} is VALID [2020-07-08 16:27:02,260 INFO L280 TraceCheckUtils]: 14: Hoare triple {8435#true} havoc #t~post2; {8435#true} is VALID [2020-07-08 16:27:02,261 INFO L280 TraceCheckUtils]: 15: Hoare triple {8435#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8504#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} is VALID [2020-07-08 16:27:02,262 INFO L280 TraceCheckUtils]: 16: Hoare triple {8504#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-08 16:27:02,262 INFO L280 TraceCheckUtils]: 17: Hoare triple {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-08 16:27:02,263 INFO L280 TraceCheckUtils]: 18: Hoare triple {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-08 16:27:02,264 INFO L280 TraceCheckUtils]: 19: Hoare triple {8505#(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; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,264 INFO L280 TraceCheckUtils]: 20: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #t~post2 := ~len; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,265 INFO L280 TraceCheckUtils]: 21: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} ~len := #t~post2 - 1; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,266 INFO L280 TraceCheckUtils]: 22: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} assume !(#t~post2 > 0); {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,266 INFO L280 TraceCheckUtils]: 23: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} havoc #t~post2; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,267 INFO L280 TraceCheckUtils]: 24: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-08 16:27:02,268 INFO L280 TraceCheckUtils]: 25: Hoare triple {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} assume true; {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-08 16:27:02,269 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} {8435#true} #245#return; {8482#(not (= 0 |main_#t~ret15.base|))} is VALID [2020-07-08 16:27:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:27:02,277 INFO L280 TraceCheckUtils]: 0: Hoare triple {8435#true} ~from := #in~from; {8435#true} is VALID [2020-07-08 16:27:02,277 INFO L280 TraceCheckUtils]: 1: Hoare triple {8435#true} ~until := #in~until; {8435#true} is VALID [2020-07-08 16:27:02,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {8435#true} ~len~1 := ~from; {8435#true} is VALID [2020-07-08 16:27:02,278 INFO L280 TraceCheckUtils]: 3: Hoare triple {8435#true} #t~short12 := ~len~1 < ~until; {8435#true} is VALID [2020-07-08 16:27:02,278 INFO L280 TraceCheckUtils]: 4: Hoare triple {8435#true} assume !#t~short12; {8435#true} is VALID [2020-07-08 16:27:02,278 INFO L280 TraceCheckUtils]: 5: Hoare triple {8435#true} assume !#t~short12; {8435#true} is VALID [2020-07-08 16:27:02,278 INFO L280 TraceCheckUtils]: 6: Hoare triple {8435#true} havoc #t~nondet11; {8435#true} is VALID [2020-07-08 16:27:02,279 INFO L280 TraceCheckUtils]: 7: Hoare triple {8435#true} havoc #t~short12; {8435#true} is VALID [2020-07-08 16:27:02,279 INFO L280 TraceCheckUtils]: 8: Hoare triple {8435#true} #res := ~len~1; {8435#true} is VALID [2020-07-08 16:27:02,279 INFO L280 TraceCheckUtils]: 9: Hoare triple {8435#true} assume true; {8435#true} is VALID [2020-07-08 16:27:02,280 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {8435#true} {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #247#return; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 16:27:02,331 INFO L280 TraceCheckUtils]: 0: Hoare triple {8435#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-08 16:27:02,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} ~len~0 := 0; {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-08 16:27:02,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {8509#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-08 16:27:02,332 INFO L280 TraceCheckUtils]: 3: Hoare triple {8509#(= 0 |sll_length_#in~head.base|)} #res := ~len~0; {8509#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-08 16:27:02,333 INFO L280 TraceCheckUtils]: 4: Hoare triple {8509#(= 0 |sll_length_#in~head.base|)} assume true; {8509#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-08 16:27:02,334 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8509#(= 0 |sll_length_#in~head.base|)} {8495#(not (= 0 |main_#t~mem21.base|))} #253#return; {8436#false} is VALID [2020-07-08 16:27:02,335 INFO L263 TraceCheckUtils]: 0: Hoare triple {8435#true} call ULTIMATE.init(); {8502#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 16:27:02,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {8502#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8435#true} is VALID [2020-07-08 16:27:02,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {8435#true} #valid := #valid[0 := 0]; {8435#true} is VALID [2020-07-08 16:27:02,335 INFO L280 TraceCheckUtils]: 3: Hoare triple {8435#true} assume 0 < #StackHeapBarrier; {8435#true} is VALID [2020-07-08 16:27:02,336 INFO L280 TraceCheckUtils]: 4: Hoare triple {8435#true} assume true; {8435#true} is VALID [2020-07-08 16:27:02,336 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8435#true} {8435#true} #259#return; {8435#true} is VALID [2020-07-08 16:27:02,336 INFO L263 TraceCheckUtils]: 6: Hoare triple {8435#true} call #t~ret24 := main(); {8435#true} is VALID [2020-07-08 16:27:02,336 INFO L263 TraceCheckUtils]: 7: Hoare triple {8435#true} call #t~ret14 := _get_nondet_int(2, 5); {8435#true} is VALID [2020-07-08 16:27:02,336 INFO L280 TraceCheckUtils]: 8: Hoare triple {8435#true} ~from := #in~from; {8435#true} is VALID [2020-07-08 16:27:02,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {8435#true} ~until := #in~until; {8435#true} is VALID [2020-07-08 16:27:02,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {8435#true} ~len~1 := ~from; {8435#true} is VALID [2020-07-08 16:27:02,337 INFO L280 TraceCheckUtils]: 11: Hoare triple {8435#true} #t~short12 := ~len~1 < ~until; {8435#true} is VALID [2020-07-08 16:27:02,337 INFO L280 TraceCheckUtils]: 12: Hoare triple {8435#true} assume #t~short12; {8435#true} is VALID [2020-07-08 16:27:02,337 INFO L280 TraceCheckUtils]: 13: Hoare triple {8435#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {8435#true} is VALID [2020-07-08 16:27:02,338 INFO L280 TraceCheckUtils]: 14: Hoare triple {8435#true} #t~short12 := 0 != #t~nondet11; {8435#true} is VALID [2020-07-08 16:27:02,338 INFO L280 TraceCheckUtils]: 15: Hoare triple {8435#true} assume !#t~short12; {8435#true} is VALID [2020-07-08 16:27:02,338 INFO L280 TraceCheckUtils]: 16: Hoare triple {8435#true} havoc #t~nondet11; {8435#true} is VALID [2020-07-08 16:27:02,338 INFO L280 TraceCheckUtils]: 17: Hoare triple {8435#true} havoc #t~short12; {8435#true} is VALID [2020-07-08 16:27:02,338 INFO L280 TraceCheckUtils]: 18: Hoare triple {8435#true} #res := ~len~1; {8435#true} is VALID [2020-07-08 16:27:02,339 INFO L280 TraceCheckUtils]: 19: Hoare triple {8435#true} assume true; {8435#true} is VALID [2020-07-08 16:27:02,339 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8435#true} {8435#true} #243#return; {8435#true} is VALID [2020-07-08 16:27:02,339 INFO L280 TraceCheckUtils]: 21: Hoare triple {8435#true} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {8435#true} is VALID [2020-07-08 16:27:02,339 INFO L280 TraceCheckUtils]: 22: Hoare triple {8435#true} ~len~2 := #t~ret14; {8435#true} is VALID [2020-07-08 16:27:02,340 INFO L280 TraceCheckUtils]: 23: Hoare triple {8435#true} havoc #t~ret14; {8435#true} is VALID [2020-07-08 16:27:02,340 INFO L280 TraceCheckUtils]: 24: Hoare triple {8435#true} SUMMARY for call ~#s~0.base, ~#s~0.offset := #Ultimate.allocOnStack(4); srcloc: L617 {8435#true} is VALID [2020-07-08 16:27:02,341 INFO L263 TraceCheckUtils]: 25: Hoare triple {8435#true} call #t~ret15.base, #t~ret15.offset := sll_create(~len~2); {8503#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 16:27:02,341 INFO L280 TraceCheckUtils]: 26: Hoare triple {8503#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {8435#true} is VALID [2020-07-08 16:27:02,341 INFO L280 TraceCheckUtils]: 27: Hoare triple {8435#true} ~head~0.base, ~head~0.offset := 0, 0; {8435#true} is VALID [2020-07-08 16:27:02,342 INFO L280 TraceCheckUtils]: 28: Hoare triple {8435#true} #t~post2 := ~len; {8435#true} is VALID [2020-07-08 16:27:02,342 INFO L280 TraceCheckUtils]: 29: Hoare triple {8435#true} ~len := #t~post2 - 1; {8435#true} is VALID [2020-07-08 16:27:02,342 INFO L280 TraceCheckUtils]: 30: Hoare triple {8435#true} assume !!(#t~post2 > 0); {8435#true} is VALID [2020-07-08 16:27:02,342 INFO L280 TraceCheckUtils]: 31: Hoare triple {8435#true} havoc #t~post2; {8435#true} is VALID [2020-07-08 16:27:02,342 INFO L280 TraceCheckUtils]: 32: Hoare triple {8435#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8435#true} is VALID [2020-07-08 16:27:02,343 INFO L280 TraceCheckUtils]: 33: Hoare triple {8435#true} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8435#true} is VALID [2020-07-08 16:27:02,343 INFO L280 TraceCheckUtils]: 34: Hoare triple {8435#true} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8435#true} is VALID [2020-07-08 16:27:02,343 INFO L280 TraceCheckUtils]: 35: Hoare triple {8435#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8435#true} is VALID [2020-07-08 16:27:02,343 INFO L280 TraceCheckUtils]: 36: Hoare triple {8435#true} ~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {8435#true} is VALID [2020-07-08 16:27:02,343 INFO L280 TraceCheckUtils]: 37: Hoare triple {8435#true} #t~post2 := ~len; {8435#true} is VALID [2020-07-08 16:27:02,344 INFO L280 TraceCheckUtils]: 38: Hoare triple {8435#true} ~len := #t~post2 - 1; {8435#true} is VALID [2020-07-08 16:27:02,344 INFO L280 TraceCheckUtils]: 39: Hoare triple {8435#true} assume !!(#t~post2 > 0); {8435#true} is VALID [2020-07-08 16:27:02,344 INFO L280 TraceCheckUtils]: 40: Hoare triple {8435#true} havoc #t~post2; {8435#true} is VALID [2020-07-08 16:27:02,345 INFO L280 TraceCheckUtils]: 41: Hoare triple {8435#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4); srcloc: L566 {8504#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} is VALID [2020-07-08 16:27:02,346 INFO L280 TraceCheckUtils]: 42: Hoare triple {8504#(or (< 0 |sll_create_#t~malloc3.base|) (<= (+ |sll_create_#t~malloc3.base| 1) 0))} ~new_head~0.base, ~new_head~0.offset := #t~malloc3.base, #t~malloc3.offset; {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-08 16:27:02,347 INFO L280 TraceCheckUtils]: 43: Hoare triple {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} assume !(0 == ~new_head~0.base && 0 == ~new_head~0.offset); {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-08 16:27:02,347 INFO L280 TraceCheckUtils]: 44: Hoare triple {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, ~new_head~0.offset, 4); srcloc: L567-1 {8505#(or (<= 1 sll_create_~new_head~0.base) (<= (+ sll_create_~new_head~0.base 1) 0))} is VALID [2020-07-08 16:27:02,348 INFO L280 TraceCheckUtils]: 45: Hoare triple {8505#(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; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,348 INFO L280 TraceCheckUtils]: 46: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #t~post2 := ~len; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,349 INFO L280 TraceCheckUtils]: 47: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} ~len := #t~post2 - 1; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,350 INFO L280 TraceCheckUtils]: 48: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} assume !(#t~post2 > 0); {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,350 INFO L280 TraceCheckUtils]: 49: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} havoc #t~post2; {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} is VALID [2020-07-08 16:27:02,351 INFO L280 TraceCheckUtils]: 50: Hoare triple {8506#(or (<= (+ sll_create_~head~0.base 1) 0) (<= 1 sll_create_~head~0.base))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-08 16:27:02,351 INFO L280 TraceCheckUtils]: 51: Hoare triple {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} assume true; {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} is VALID [2020-07-08 16:27:02,352 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {8507#(or (<= 1 |sll_create_#res.base|) (<= (+ |sll_create_#res.base| 1) 0))} {8435#true} #245#return; {8482#(not (= 0 |main_#t~ret15.base|))} is VALID [2020-07-08 16:27:02,353 INFO L280 TraceCheckUtils]: 53: Hoare triple {8482#(not (= 0 |main_#t~ret15.base|))} SUMMARY for call write~init~$Pointer$(#t~ret15.base, #t~ret15.offset, ~#s~0.base, ~#s~0.offset, 4); srcloc: L617-2 {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,354 INFO L280 TraceCheckUtils]: 54: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~ret15.base, #t~ret15.offset; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,354 INFO L263 TraceCheckUtils]: 55: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} call #t~ret16 := _get_nondet_int(0, ~len~2 - 1); {8435#true} is VALID [2020-07-08 16:27:02,354 INFO L280 TraceCheckUtils]: 56: Hoare triple {8435#true} ~from := #in~from; {8435#true} is VALID [2020-07-08 16:27:02,354 INFO L280 TraceCheckUtils]: 57: Hoare triple {8435#true} ~until := #in~until; {8435#true} is VALID [2020-07-08 16:27:02,354 INFO L280 TraceCheckUtils]: 58: Hoare triple {8435#true} ~len~1 := ~from; {8435#true} is VALID [2020-07-08 16:27:02,355 INFO L280 TraceCheckUtils]: 59: Hoare triple {8435#true} #t~short12 := ~len~1 < ~until; {8435#true} is VALID [2020-07-08 16:27:02,355 INFO L280 TraceCheckUtils]: 60: Hoare triple {8435#true} assume !#t~short12; {8435#true} is VALID [2020-07-08 16:27:02,355 INFO L280 TraceCheckUtils]: 61: Hoare triple {8435#true} assume !#t~short12; {8435#true} is VALID [2020-07-08 16:27:02,355 INFO L280 TraceCheckUtils]: 62: Hoare triple {8435#true} havoc #t~nondet11; {8435#true} is VALID [2020-07-08 16:27:02,355 INFO L280 TraceCheckUtils]: 63: Hoare triple {8435#true} havoc #t~short12; {8435#true} is VALID [2020-07-08 16:27:02,356 INFO L280 TraceCheckUtils]: 64: Hoare triple {8435#true} #res := ~len~1; {8435#true} is VALID [2020-07-08 16:27:02,356 INFO L280 TraceCheckUtils]: 65: Hoare triple {8435#true} assume true; {8435#true} is VALID [2020-07-08 16:27:02,357 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {8435#true} {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #247#return; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,357 INFO L280 TraceCheckUtils]: 67: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,358 INFO L280 TraceCheckUtils]: 68: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} ~k~0 := #t~ret16; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,358 INFO L280 TraceCheckUtils]: 69: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~ret16; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,359 INFO L280 TraceCheckUtils]: 70: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} ~i~0 := 0; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,359 INFO L280 TraceCheckUtils]: 71: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} #t~short18 := ~i~0 < ~k~0; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,360 INFO L280 TraceCheckUtils]: 72: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !#t~short18; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,361 INFO L280 TraceCheckUtils]: 73: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !#t~short18; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,361 INFO L280 TraceCheckUtils]: 74: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~short18; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,362 INFO L280 TraceCheckUtils]: 75: Hoare triple {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} havoc #t~nondet17; {8483#(not (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2020-07-08 16:27:02,362 INFO L280 TraceCheckUtils]: 76: Hoare triple {8483#(not (= 0 (select (select |#memory_$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 {8495#(not (= 0 |main_#t~mem21.base|))} is VALID [2020-07-08 16:27:02,363 INFO L263 TraceCheckUtils]: 77: Hoare triple {8495#(not (= 0 |main_#t~mem21.base|))} call #t~ret22 := sll_length(#t~mem21.base, #t~mem21.offset); {8435#true} is VALID [2020-07-08 16:27:02,363 INFO L280 TraceCheckUtils]: 78: Hoare triple {8435#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-08 16:27:02,364 INFO L280 TraceCheckUtils]: 79: Hoare triple {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} ~len~0 := 0; {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} is VALID [2020-07-08 16:27:02,364 INFO L280 TraceCheckUtils]: 80: Hoare triple {8508#(= |sll_length_#in~head.base| sll_length_~head.base)} assume !(~head.base != 0 || ~head.offset != 0); {8509#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-08 16:27:02,365 INFO L280 TraceCheckUtils]: 81: Hoare triple {8509#(= 0 |sll_length_#in~head.base|)} #res := ~len~0; {8509#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-08 16:27:02,365 INFO L280 TraceCheckUtils]: 82: Hoare triple {8509#(= 0 |sll_length_#in~head.base|)} assume true; {8509#(= 0 |sll_length_#in~head.base|)} is VALID [2020-07-08 16:27:02,367 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {8509#(= 0 |sll_length_#in~head.base|)} {8495#(not (= 0 |main_#t~mem21.base|))} #253#return; {8436#false} is VALID [2020-07-08 16:27:02,367 INFO L280 TraceCheckUtils]: 84: Hoare triple {8436#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647; {8436#false} is VALID [2020-07-08 16:27:02,367 INFO L280 TraceCheckUtils]: 85: Hoare triple {8436#false} assume ~k~0 + ~len~2 != #t~ret22; {8436#false} is VALID [2020-07-08 16:27:02,367 INFO L280 TraceCheckUtils]: 86: Hoare triple {8436#false} havoc #t~ret22; {8436#false} is VALID [2020-07-08 16:27:02,367 INFO L280 TraceCheckUtils]: 87: Hoare triple {8436#false} havoc #t~mem21.base, #t~mem21.offset; {8436#false} is VALID [2020-07-08 16:27:02,368 INFO L280 TraceCheckUtils]: 88: Hoare triple {8436#false} assume !false; {8436#false} is VALID [2020-07-08 16:27:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 16:27:02,379 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:27:02,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791065168] [2020-07-08 16:27:02,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 16:27:02,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-08 16:27:02,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300403391] [2020-07-08 16:27:02,380 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-07-08 16:27:02,381 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 16:27:02,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-08 16:27:02,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:27:02,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-08 16:27:02,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 16:27:02,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-08 16:27:02,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-07-08 16:27:02,461 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 13 states. [2020-07-08 16:27:05,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:27:05,521 INFO L93 Difference]: Finished difference Result 207 states and 225 transitions. [2020-07-08 16:27:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-08 16:27:05,522 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-07-08 16:27:05,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 16:27:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 16:27:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2020-07-08 16:27:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 16:27:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2020-07-08 16:27:05,529 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 174 transitions. [2020-07-08 16:27:05,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:27:05,791 INFO L225 Difference]: With dead ends: 207 [2020-07-08 16:27:05,792 INFO L226 Difference]: Without dead ends: 201 [2020-07-08 16:27:05,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2020-07-08 16:27:05,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-08 16:27:06,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2020-07-08 16:27:06,332 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 16:27:06,332 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 183 states. [2020-07-08 16:27:06,332 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 183 states. [2020-07-08 16:27:06,333 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 183 states. [2020-07-08 16:27:06,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:27:06,340 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2020-07-08 16:27:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 219 transitions. [2020-07-08 16:27:06,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:27:06,342 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:27:06,342 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 201 states. [2020-07-08 16:27:06,342 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 201 states. [2020-07-08 16:27:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 16:27:06,349 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2020-07-08 16:27:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 219 transitions. [2020-07-08 16:27:06,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 16:27:06,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 16:27:06,350 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 16:27:06,350 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 16:27:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-07-08 16:27:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 200 transitions. [2020-07-08 16:27:06,355 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 200 transitions. Word has length 89 [2020-07-08 16:27:06,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 16:27:06,355 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 200 transitions. [2020-07-08 16:27:06,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-08 16:27:06,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 183 states and 200 transitions. [2020-07-08 16:27:06,682 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 200 edges. 200 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 16:27:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 200 transitions. [2020-07-08 16:27:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-08 16:27:06,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:27:06,684 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] [2020-07-08 16:27:06,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 16:27:06,684 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:27:06,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:27:06,685 INFO L82 PathProgramCache]: Analyzing trace with hash 263120297, now seen corresponding path program 1 times [2020-07-08 16:27:06,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:27:06,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534617703] [2020-07-08 16:27:06,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:27:06,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 16:27:06,757 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) [2020-07-08 16:27:06,764 INFO L168 Benchmark]: Toolchain (without parser) took 36904.27 ms. Allocated memory was 138.4 MB in the beginning and 533.7 MB in the end (delta: 395.3 MB). Free memory was 100.0 MB in the beginning and 380.4 MB in the end (delta: -280.5 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. [2020-07-08 16:27:06,769 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 16:27:06,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.88 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 166.3 MB in the end (delta: -66.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-07-08 16:27:06,771 INFO L168 Benchmark]: Boogie Preprocessor took 75.90 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 162.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-08 16:27:06,771 INFO L168 Benchmark]: RCFGBuilder took 895.92 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 162.3 MB in the beginning and 200.8 MB in the end (delta: -38.5 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-08 16:27:06,771 INFO L168 Benchmark]: TraceAbstraction took 35232.83 ms. Allocated memory was 233.3 MB in the beginning and 533.7 MB in the end (delta: 300.4 MB). Free memory was 200.8 MB in the beginning and 380.4 MB in the end (delta: -179.6 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. [2020-07-08 16:27:06,774 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 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.88 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 166.3 MB in the end (delta: -66.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.90 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 162.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 895.92 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 162.3 MB in the beginning and 200.8 MB in the end (delta: -38.5 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35232.83 ms. Allocated memory was 233.3 MB in the beginning and 533.7 MB in the end (delta: 300.4 MB). Free memory was 200.8 MB in the beginning and 380.4 MB in the end (delta: -179.6 MB). Peak memory consumption was 120.8 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...